A follow-up to the bestselling One Child, Two Languages

“Timely, well researched, and highly accessible . . . addresses the need for research-based 
approaches that all early childhood educators can implement. Bravo to Lisa López and
Mariela Páez for their much-needed contribution to the effective education of DLLs.”
—Linda Espinosa, Ph.D., Professor Emeritus, University of Missouri–Columbia
“A comprehensive resource for all professionals who engage with DLLs and their families.
The research-to-school (and home) practices are excellent and essential for ensuring 
positive language and learning outcomes of DLLs.”
—Elsa Cárdenas-Hagan, Ed.D., President, Valley Speech Language and Learning Center
As the number of dual language learners (DLLs) in early childhood 
PRACTICAL MATERIALS 
settings continues to rise, educators need to know how to teach, 
INCLUDED: 
engage, and assess children from different cultural and linguistic 
•  Learning objectives

timely book, a reader-friendly guide that expertly connects research •  Guiding questions
•  Self-study and  
reflection activities
Early childhood educators will get the up-to-date research, in-depth •  Downloadable forms
•  Helpful resource 
guide to share with 
cultural context, practices, beliefs, goals, and diverse experiences families
•  Internalize eight key beliefs every teacher should have about 
•  Implement specific, evidence-based classroom practices that promote the learning and
•  Use best practices to help DLL children develop language and early literacy skills
•  Implement appropriate assessment practices that inform instruction and promote the learning

---

Teaching Dual 
Language Learners

Language Learners
What Early Childhood 
Educators Need to Know

by

by
Lisa M. López, Ph.D.

University of South Florida, Tampa

and
Mariela M. Páez, Ed.D.

Baltimore·London·Sydney

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Paul H. Brookes Publishing Co.
Post Office Box 10624
Baltimore, Maryland 21285-0624

USA
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Copyright © 2021 by Paul H. Brookes Publishing Co., Inc.
All rights reserved.

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Paul H. Brookes Publishing Co., Inc.
Typeset by Absolute Service, Inc., Towson, Maryland.

Manufactured in the United States of America by
Sheridan Books, Inc., Chelsea, Michigan.

The authors are alphabetically ordered, and they have contributed equally to this book.

All examples and cases in this book are composites. Any similarity to actual individuals or 
circumstances is coincidental, and no implications should be inferred.
Purchasers of Teaching Dual Language Learners: What Early Childhood Educators Need to Know are 
granted permission to download, print, and photocopy the forms and Appendices 2.1 and 6.2 in the 
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book. Visit https://downloads.brookespublishing.com/ to download. Unauthorized use beyond this

Library of Congress Cataloging-in-Publication Data

Library of Congress Cataloging-in-Publication Data
Names: López, Lisa M., author. | Páez, Mariela, M., author.
Title: Teaching dual language learners: what early childhood educators need to know / 
Lisa M. López, Ph.D., College of Education, University of South Florida, Tampa and 
Mariela M. Páez, Ed.D., Lynch School of Education, Boston College.
Description: Baltimore: Paul H. Brookes Publishing Co., [2020] | Includes bibliographical references 
and index.
Identifiers: LCCN 2020008524 (print) | LCCN 2020008525 (ebook) | ISBN 9781681253848 (paperback) | 
ISBN 9781681253855 (epub) | ISBN 9781681253862 (pdf)
Subjects: LCSH: Bilingualism in children. | Education, Bilingual—Study and teaching. | 
Early childhood education.
Classification: LCC LC3723.L67 2021 (print) | LCC LC3723 (ebook) | DDC 370.117/5—dc23

LC record available at https://lccn.loc.gov/2020008524
LC ebook record available at https://lccn.loc.gov/2020008525

---

Contents

About the Online Materials vi
About the Authors vii
Preface viii
Acknowledgments xi

1 Introduction to Dual Language Learners (DLLs) 1
2 Working With Families 27
3 Examining Beliefs to Promote Culturally and Linguistically Responsive Practices With DLLs 61
4 Effective Classroom Practices for Working With DLLs 79
5 Teaching Language and Early Literacy Skills for DLLs 97
6 Assessment Considerations and Practices for DLLs 123
7 Implications for Culturally and Linguistically Responsive Practice 161

Index 183

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About the Authors

Lisa M. López, Ph.D., is Associate Professor of Educational Psychology at the 
University of South Florida, Tampa. Dr. López earned her Ph.D. in applied 
developmental psychology from the University of Miami and completed a 
National Science Foundation–funded postdoctoral fellowship in language 
and literacy at the Harvard Graduate School of Education. She serves as Chair 
of the Society for Research in Child Development Latinx Caucus (2019–2021). 
Her research agenda involves understanding and improving upon the educational and environmental opportunities of Latino dual language learner 
(DLL)children in the United States. Her main research objective is to identify
the developmental trajectory of school readiness skills for Latino DLL children 
while applying an ecological perspective to better understand this developmental trajectory. Her research has been funded by the Eunice Kennedy Shriver
National Institute of Child Health and Human Development (NICHD), the
Institute of Education Sciences (IES), and the Administration for Children
and Families (ACF) and published in journals focused on both education
and developmental psychology. Dr. López has won numerous awards for her

author of numerous articles in top journals and, with Marcelo Suárez-Orozco, 
co-edited Latinos: Remaking America (University of California Press, 2008).

scholarly and community work with the Latino DLL population.
Mariela M. Páez, Ed.D., is Associate Professor at the Lynch School of Education 
and Human Development, Boston College. She has a doctorate in human development and psychology from the Harvard Graduate School of Education. Her 
primary research interests include bilingualism, children’s language and early 
literacy development, and early childhood education. Dr. Páez has conducted 
several longitudinal studies with young bilingual children with funding from 
the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and the Office for Educational Research and Improvement of 
the U.S. Department of Education. Currently, she is conducting a study investigating practices of exemplary teachers for dual language learners across different early childhood programs (i.e., public, private, and Head Start). Dr. Páez is 
author of numerous articles in top journals and, with Marcelo Suárez-Orozco,

---

Preface

Ko recently started in his preschool classroom. His teacher is worried about Ko’s 
adaptation to the classroom, given that Ko is a recent immigrant with a refugee 
background. Today Ko was very quiet, mostly kept to himself, and had a difficult 
time with transitions. The teacher wonders if this is a language issue or if Ko is having difficulty adapting to the new routine. Ko’s teacher is eager to help, but she is 
unsure about the best steps to support him. Should the teacher screen his language 
skills, and in what language should she do this? How can the teacher connect with 
Ko’s family to learn more about his interests, developmental skills, and prior educational experiences? The teacher doesn’t speak Ko’s home language, Burmese, but she 
wants Ko to feel supported and welcome. What can the teacher do in the classroom

wants Ko to feel supported and welcome. What can the teacher do in the classroom 
to facilitate Ko’s engagement and learning?
The case of Ko and his teacher is not unique. Given current demographic 
changes in the United States, teachers in early childhood settings need further training and understanding on how to support diverse populations of 
children. Throughout this book, educators will learn more about Ko and 
other dual language learners (DLLs) enrolled in early childhood programs 
throughout the United States to better understand the diversity and needs 
of this population. Furthermore, this book informs teachers about instructional approaches and research-based strategies that can be used to better

tional approaches and research-based strategies that can be used to better 
serve the DLL preschool population.
In the United States since the early 2000s, there has been a dramatic 
increase in the number of DLLs—that is, children who are learning more 
than one language in their early years (birth to age 8) (Park, O’Toole, & Katsiaficas, 2017; U.S. Department of Health and Human Services & U.S. Department of Education, 2017). One third of young children living in the United 
States are DLLs (11.5 million children) (Park et al., 2017). This is reflected 
in early childhood programs across the nation, as 28% of the children in 
Head Start and Early Head Start are DLLs (Office of Head Start, 2018), and 
23% of the preschool-age population in state-funded programs are DLLs

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Preface
The early childhood years are a key time for fostering bilingualism 
among DLLs, as researchers have identified this time period as particularly 
suitable for language learning (NASEM, 2017). Thus, there is a critical need 
for accessible knowledge and information about best pedagogical practices 
to effectively serve DLLs and their families. Early childhood researchers 
have identified distinct benefits for the participation of DLLs in high-quality 
early learning programs that focus on developing the language, social, and 
cognitive skills needed for academic success (NASEM, 2017). Mandates for 
working with DLLs, driven by policy recommendations from national organizations (e.g., National Head Start Association, National Association for the 
Education of Young Children) and federal agencies (e.g., DHHS, Department 
of Education), also have stressed the importance of targeted practices for 
working with this population. This book presents the newest research on the 
DLL early childhood population and discusses the most relevant findings

working with this population. This book presents the newest research on the 
DLL early childhood population and discusses the most relevant findings 
for improving pedagogy and teaching practices for educating these children.
Teaching Dual Language Learners: What Early Childhood Educators Need to 
Know connects research to practice for educators and early childhood leaders who are struggling to serve this population. To improve early education 
for DLL children, the field needs a better understanding of factors that affect 
these children, including the role of language use and language development, both at home and school. In addition, it is important to understand 
the diverse experiences of DLL children and how to modify early childhood environments to support their learning and development. Early childhood educators can learn more about these topics throughout this book. We 
review information about research studies and educational programs documenting DLL children’s development and learning in early childhood contexts, and we provide guidance on applying this information when working 
with DLLs. The beginning of each chapter includes guiding questions and 
a summary of the highlights discussed in the chapter. At the end of each 
chapter, there is a section for self-study and reflection. These sections offer 
questions and tools that educators can use to examine their own classroom

questions and tools that educators can use to examine their own classroom 
or program to improve their practices with DLL children.
In addition, each chapter presents information on diverse samples of 
DLL children who are being exposed to two (or more) languages across 
different contexts and are developing English in their early childhood 
educational settings. Chapter 1 presents a review of the demographic profile of DLLs—including information about home, school, and community 
contexts—and research knowledge about different developmental areas. 
Chapter 1 also presents five case studies of children (with different cultural 
and linguistic backgrounds and diverse language profiles and skills), which 
will be discussed throughout the book. The cases reflect an important theme 
regarding best practices: To be more effective with DLL children, educators 
need to consider DLLs’ diverse profiles when designing learning environ-

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x Preface
Chapter 2 focuses on families, describing these influential contexts, 
including language use and practices at home that support DLL children’s 
development. Chapter 3 presents information and research related to teachers focusing on the connections between beliefs and responsive practices 
that support DLLs. Chapter 4 summarizes what is known about effective 
classroom educational practices that promote learning in DLL children. This 
chapter reviews evidenced-based curricular practices—such as home language support, classroom structures, and instructional strategies—that have 
been found effective when working with this population. Next, Chapter 5 
outlines how language and literacy develop for DLL children and how to 
support this development in the classroom. Chapter 6 discusses important 
assessment considerations for DLL children, including the role of observations and strategies for enhancing and using data to improve practices. 
Finally, Chapter 7 discusses and summarizes implications for practice and

Finally, Chapter 7 discusses and summarizes implications for practice and 
for future research and programmatic policy.
In closing, this book brings together the latest research and information that teachers need to know to work more effectively with DLLs. We 
present theory, research, and practical strategies for educators and early 
childhood leaders to consider when serving the diverse population of DLLs. 
This book is for anyone involved in working with young children—early 
childcare workers, Head Start teachers, and public and private educators—
and interested in improving and enhancing their practices to support the

development and learning of DLLs.

REFERENCES
Friedman-Krauss, A. H., Barnett, W. S., Weisenfeld, G. G., Kasmin, R., DiCrecchio, N., & 
Horowitz, M. (2018).  The state of preschool 2017: State preschool yearbook. National Institute 
for Early Education Research. Retrieved from http://nieer.org/state-preschool-yearbooks/
yearbook2017
National Academies of Sciences, Engineering, and Medicine (NASEM). (2017). Promoting the 
educational success of children and youth learning English: Promising futures. Washington, DC: 
The National Academies Press. doi:10.17226/24677
Office of Head Start. (2018). Head Start program facts fiscal year 2018. Retrieved from https://
eclkc.ohs.acf.hhs.gov/sites/default/files/pdf/no-search/hs-program-fact-sheet-2018.pdf
Park, M., O’Toole, A., & Katsiaficas, C. (2017). Dual language learners: A national demographic 
and policy profile. Washington, DC: Migration Policy Institute.
U.S. Department of Health and Human Services (DHHS) & U.S. Department of Education. 
(2017). Policy statement on supporting the development of children who are dual language learners 
in early childhood programs (ODAS, ECD-ACF-PS-2017-02). Retrieved from https://www.acf

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Introduction	to	Dual	
Language	Learners	(DLLs)

This chapter will:

This chapter will:
• Present	important	demographic	characteristics	of	the	DLL	population,	including

• Present	important	demographic	characteristics	of	the	DLL	population,	including
information	about	the	home,	school,	and	community	contexts

information	about	the	home,	school,	and	community	contexts
• Describe	five	diverse	cases	of	DLL	children

• Describe	five	diverse	cases	of	DLL	children
• Review	the	research	on	language	and	literacy	development	of	DLLs

• Review	the	research	on	language	and	literacy	development	of	DLLs
• Discuss	recent	studies	of	cognitive	and	social-emotional	development

instructional strategies and best practices for working with a diverse 
group of children and families.
This chapter describes important demographic characteristics of

As an early childhood professional, you have probably noticed the 
increased diversity of children and families in your program. Indeed, 
early childhood settings have been transformed in recent years given 
the rise in immigration and the expanding presence of DLL children and 
families from different language and cultural backgrounds. This increase 
in diversity has been experienced across the United States, including 
in low-incidence communities that in the past had only a few DLLs in 
their programs and schools. Some programs have seen their enrollment 
increase from serving zero DLLs to serving more than 80% DLLs. This 
shift in population requires all early childhood professionals to learn 
instructional strategies and best practices for working with a diverse

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2

REFLECT

As	you	read	this	chapter,	consider:

As	you	read	this	chapter,	consider:
•	 Who	are	the	DLL	children	in	your	programs	or	classrooms?

•	 Who	are	the	DLL	children	in	your	programs	or	classrooms?
•	 What	characteristics	do	they	share?
•	 How	are	these	children	diverse	with	regard	to	their	home,	school,	and	community

•	 How	are	these	children	diverse	with	regard	to	their	home,	school,	and	community	
contexts?

contexts?
•	 What	developmental	areas	and	skills	are	important	for	DLL	children?

descriptions of the home, education, and community contexts that support 
learning for these children. This chapter gives special attention to DLLs’ 
language and literacy developmental processes, reviewing results from 
longitudinal studies and effective intervention studies in the field of early 
childhood development. In addition, the chapter discusses recent information about DLLs’ cognitive and social-emotional development in the context of bilingualism. Finally, this chapter considers recent mandates from 
federal agencies and national organizations for working with DLLs in early

childhood settings.

to develop their first (or home) language (U.S. Department of Health and 
Human Services & U.S. Department of Education, 2017).
Demographic data for this group are difficult to obtain given that student data are usually collected starting in kindergarten. A 2017 report by 
Park and colleagues defined DLLs as children between the ages of birth 
and 8 years who have at least one parent who speaks a language other than 
English at home. These statistics describe DLL children age 8 and younger 
based on an analysis of the U.S. Census Bureau American Community Survey (ACS) and surveys conducted by the Migration Policy Institute with

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Introduction to Dual Language Learners (DLLs) 
analysis, DLLs make up nearly one third (more than 11 million children) of

analysis, DLLs make up nearly one third (more than 11 million children) of 
all young children in the United States.
The demographic profile of DLLs and their families is complex because 
they come from different backgrounds and ethnic groups, representing a 
diversity of values, beliefs, and practices, as well as resources. There are 
more than 350 languages represented within the DLL population, but 
Spanish predominates, with 59% of DLLs speaking Spanish in the home. 
Other prevalent home languages include Chinese (3.3%), Tagalog (1.9%), 
Vietnamese (1.9%), and Arabic (1.9%). These languages reflect trends showing a decrease in the immigrant population from Latin America and an 
increase in the immigrant population from Asia and the Pacific Islands, 
which will eventually become the largest immigrant group in the United 
States (Park et al., 2017). The two largest immigrant groups are Latinos and 
Asians; recent figures indicate that of the foreign-born individuals residing 
in the United States, approximately 50% were born in Latin America and 
30% were born in Asia (Smith, 2018). Participation in early childhood programs also varies by ethnic group, with 3- to 5-year-old black and Latino 
children enrolling at lower rates compared to Asian and white children

children enrolling at lower rates compared to Asian and white children 
(McFarland et al., 2018).
Even though there is unquestionable variation within the DLL child

Even though there is unquestionable variation within the DLL child 
population, certain general characteristics have been noted:

• The majority are born in the United States.

• Fifty-eight percent of DLLs are from low-income families.
• Twenty-six percent of parents of DLL children have less than a high

• Twenty-six percent of parents of DLL children have less than a high 
school education.
• DLLs enroll in preschool programs at lower rates (42%) than their non-

• DLLs enroll in preschool programs at lower rates (42%) than their non-
DLL peers (48%) (Park et al., 2017).
As noted by Castro, Espinosa, and Páez (2011), some of the demographic 
characteristics of DLLs support children’s healthy development and learning, such as living in two-parent households and community contexts that 
place a high value on education. However, these families and their children 
face many challenges, primarily driven by poverty and consequences of life 
with limited economic resources. Special attention has been given to DLLs 
from low socioeconomic backgrounds, and research in this population has 
shown that these at-risk children can greatly benefit from participation in

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4 López and Páez

THE MANY CULTURES AND EXPERIENCES OF DLLs
Immigration is a natural process as individuals and groups migrate from 
one region to another seeking out education, job opportunities, political 
or economic refuge, or a new life for themselves or their children. The 
United States was once known as “the nation of immigrants” due to its 
history of inviting immigrants into the country and supporting their goal 
of attaining the “American Dream.” This history of immigration has led to 
the large diversity seen across communities throughout the United States 
(Pew Research Center, 2015). Although the diversity is more apparent in 
border states, every state within the country has seen a rise in diverse 
populations since the early 2000s (National Academies of Sciences, Engineering, and Medicine [NASEM], 2017). Education and community agencies must quickly obtain knowledge of best practices for working with 
immigrant children and families of diverse backgrounds. There is a critical need for early childhood educators and leaders to seek out additional 
resources and professional development due to the heterogeneity of immi-

resources and professional development due to the heterogeneity of immigrant groups.
Research indicates that one-size-fits-all approaches will not work as 
best practices across diverse groups (Castro, Páez, Dickinson, & Frede, 2011). 
There is heterogeneity both within and across immigrant groups (Gonzalez 
et al., 2016). Notably, culture and language play a large role in defining the 
experiences of different groups with regard to language acquisition, assimilation, and acculturation. These ideas are also supported within ethnic and 
racial identity research conducted by sociologists, psychologists, and educa-

lation, and acculturation. These ideas are also supported within ethnic and 
racial identity research conducted by sociologists, psychologists, and education researchers (Umaña-Taylor, 2011).
To represent the diversity and heterogeneity of the DLL population, 
the section that follows presents five case studies of children that highlight 
different cultural and linguistic backgrounds across multiple contexts. The 
cases were selected to reflect particular language profiles and different ethnic communities across the United States. They are a sample of the DLL children whom teachers might encounter in their early childhood classrooms. 
The cases include the following DLLs: 1) Javier, an immigrant Mexican child 
who is an emergent bilingual learner living in Chicago, Illinois; 2) Wang, 
a first-generation Chinese child who is an emergent English learner with 
foreign-born parents living in San Francisco, California; 3) Lucía, an Englishdominant second-generation Puerto Rican child attending a two-way, or 
dual language program, in Boston, Massachusetts; 4) Roseline, a Haitianborn child whose parents immigrated in 2010 after the earthquake and who 
speaks Haitian Creole at home while learning English at school in Miami, 
Florida; and 5) Ko, a Burmese refugee who is a recent arrival and lives in 
New York, New York, with his family. We will return to each of these children’s cases throughout the book to provide analysis and concrete examples 
of factors that affect their development and learning and to highlight best

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DLL CASE STUDIES

Javier
Javier	is	a	4-year-old	student	who	lives	in	the	lower	west	
side	of	Chicago	with	his	parents,	two	older	siblings,	
grandparents,	and	uncle	in	a	three-bedroom	apartment.	
Javier	immigrated	to	Chicago	from	rural	Mexico	2	years	
ago	with	his	parents	and	siblings.	His	grandparents	and	
uncle	had	already	been	living	in	Chicago	for	the	previous	
5	years.	They	joined	an	established	Mexican	community	
within	the	Pilsen	area	of	Chicago,	known	for	its	history

within	the	Pilsen	area	of	Chicago,	known	for	its	history	
of	Mexican	immigrants.	In	fact,	Chicago	has	the	second	
largest	population	of	Mexican-born	immigrants	in	the	United	States.	Although	this	area	
is	becoming	more	gentrified,	there	are	still	many	bodegas,	panaderias,	and	taquerias,	
along	with	the	National	Museum	of	Mexican	Art.	The	area	is	also	home	to	beautiful

is	becoming	more	gentrified,	there	are	still	many	bodegas,	panaderias,	and	taquerias,	
along	with	the	National	Museum	of	Mexican	Art.	The	area	is	also	home	to	beautiful	
murals	representing	Aztec	history.
Javier	is	a	quiet	and	shy	boy.	He	does	not	speak	unless	spoken	to	and	often	
struggles	to	verbalize	his	thoughts.	Javier	enjoys	spending	time	with	his	two	older	brothers	
playing	in	the	neighborhood	with	the	other	children.	Most	of	the	children	in	the	neighborhood	are	also	Mexican.	Although	Javier’s	parents	and	grandparents	speak	only	Spanish,	
Javier’s	uncle	and	two	older	brothers	have	started	learning	English	and	enjoy	speaking	it	with	Javier.	The	children	in	the	neighborhood	also	speak	some	English	and	often	
switch	back	and	forth	between	English	and	Spanish.	Even	though	this	type	of	bilingual	
environment	is	common	in	some	enclaves	of	the	United	States,	it	is	not	the	norm	in	the	
majority	of	the	country.	Unlike	Javier,	many	children	are	exposed	only	to	English	in	their	
neighborhood	and	community.	Javier	is	at	an	advantage	because	he	is	exposed	to	both	
languages	on	a	daily	basis.	Javier’s	family	attends	church	in	Spanish,	shops	at	the	local	
bodegas,	and	is	active	in	the	local	Mexican	community.	Javier’s	family	moved	to	this	
area	of	the	United	States	because	of	its	established	community.	Javier’s	parents	wanted	
to	take	advantage	of	the	opportunities	for	their	children	in	the	United	States	as	well	as	
the	increased	availability	of	employment	in	good-paying	jobs	as	compared	to	Mexico;	
however,	they	worried	about	their	children	losing	their	Mexican	identity.	This	identity	is	a	
big	part	of	who	they	are,	so	they	intentionally	make	sure	to	engage	their	children	in	cul-

however,	they	worried	about	their	children	losing	their	Mexican	identity.	This	identity	is	a	
big	part	of	who	they	are,	so	they	intentionally	make	sure	to	engage	their	children	in	cultural	activities	throughout	the	city.
During	the	week,	Javier	attends	a	Head	Start	nonprofit	community	program.	
The	community	program	serves	children	from	birth	to	12	years	in	the	neighborhood.	It	
is	a	full-day,	full-year	program	that	offers	bilingual	education.	Javier	has	been	attending	
the	program	since	he	moved	to	Chicago.	The	curriculum	is	play	based,	and	most	of	
the	teachers	and	staff	in	the	program	speak	Spanish.	The	majority	of	the	children	who	
attend	the	program	are	also	of	Mexican	heritage.	The	program	stresses	the	importance	
of	bilingual	language	development	and	early	childhood	education	as	a	means	for	social	
and	cognitive	development.	The	staff	does	a	lot	of	community	outreach	to	enroll	families	
who	otherwise	might	use	family	care.	Although	Javier	is	quiet	and	soft	spoken,	he	is

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6 López and Páez
techniques	for	maintaining	a	language-rich	environment	at	home.	His	parents	stress	the	
importance	of	oral	storytelling	and	book	reading	in	Spanish.	Javier’s	parents	also	speak	
an	indigenous	language	and	use	it	often	with	the	other	adults	in	the	home.	However,	
they	use	Spanish	with	the	children	and	consider	Spanish	to	be	the	home	language	when	
asked.	The	school	encourages	Javier’s	parents	to	continue	using	Spanish	at	home	with	
their	children.	Given	Javier’s	limited	speech,	the	teachers	have	also	started	a	conversation	
with	Javier’s	parents	about	the	possibility	of	bilingual	speech	services	and	are	monitoring

with	Javier’s	parents	about	the	possibility	of	bilingual	speech	services	and	are	monitoring	
him	closely	for	a	suspected	language	delay	or	disorder.
Javier’s	two	older	brothers	attend	the	community	elementary	school	and	are	bussed	
to	Javier’s	school	for	after-school	enrichment	until	their	parents	or	grandparents	can	pick	
them	up	after	work.	Here,	the	children	receive	help	with	their	homework	as	well	as	
additional	learning	opportunities.	The	community	elementary	school	is	90%	Hispanic,	
with	40%	of	the	children	having	limited	English	abilities.	The	school	uses	a	transitional	
bilingual	model,	where	the	children	receive	instruction	primarily	in	Spanish	in	the	younger	
grades	and	progressively	move	to	more	English	as	the	children	advance	in	grade.	The	
school	is	ranked	in	the	top	tier	when	using	the	state	rating	system.	The	school	also	offers	
English	classes	for	the	parents;	Javier’s	mother	attends	these	classes	as	often	as	she	can.	
She	is	concerned	about	being	able	to	help	her	children	with	homework	once	they	transi-

tion	fully	to	English.

Wang
Wang	is	a	Chinese,	U.S.-born	student	who	is	
5	years	old.	He	lives	with	his	mother	and	father	in	
a	diverse	community	in	the	Sunset	District	in	western	
San	Francisco.	His	parents	immigrated	7	years	ago	from	
Guangdong	Province	in	China.	His	parents	were	doing	
well	in	China	but	decided	to	move	to	the	United	States	
because	they	wanted	a	better	life	and,	in	particular,	
better	educational	opportunities	for	their	future	children.

at	home,	and	they	hope	that	Wang	will	continue	to	speak	these	languages	as	he	
grows	older.
Wang	is	an	active	and	happy	child	who	enjoys	going	to	school	and	spending	time	
with	his	friends.	He	has	attended	a	community	children’s	center	preschool	program	near	
his	home	since	he	was	3	years	old.	His	family	found	out	about	the	center	through	their	
Chinese	community,	and	it	is	conveniently	located	near	Chinatown.	The	center	provides	
health	screenings	and	services	to	families,	such	as	workshops	on	computer	skills	and	
resources	for	employment.	Furthermore,	the	center	provides	care	for	60	children	between	
the	ages	of	3	and	5	years,	with	more	than	80%	of	the	children	from	families	of	low	
socioeconomic	status	(SES).	Many	Chinese	families	are	part	of	the	center,	which	has	
been	very	important	for	Wang’s	parents,	who	have	been	in	this	country	for	a	relatively

better	educational	opportunities	for	their	future	children.	
They	settled	in	San	Francisco	because	they	had	relatives	
who	had	previously	immigrated	to	the	area.	They	speak	Cantonese	and	Mandarin	
at	home,	and	they	hope	that	Wang	will	continue	to	speak	these	languages	as	he

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Introduction to Dual Language Learners (DLLs) 
At	school,	Wang	has	been	learning	English,	and	his	oral	language	skills	have	
developed	quickly	over	the	past	2	years.	The	teachers	are	bilingual	in	English	and	
Chinese,	so	there	is	a	lot	of	support	for	his	first	language	in	the	classroom.	Most	of	the	
early	literacy	activities	in	the	classroom	are	conducted	in	English	because	the	teachers	
emphasize	the	importance	of	building	these	language	skills	in	preparation	for	kindergarten.	One	of	Wang’s	favorite	activities	in	the	preschool	classroom	is	building	things	with	
small	manipulatives	and	blocks.	He	usually	plays	by	himself	and	needs	scaffolding	from	
teachers	to	collaborate	with	other	children	in	the	classroom.	Wang’s	teachers	report	that	
he	has	shown	a	lot	of	growth	in	the	past	2	years	and	is	more	sociable	and	talkative	as	
a	5-year-old.	Wang	enjoys	learning	English	but	still	prefers	to	speak	Cantonese	at	home

a	5-year-old.	Wang	enjoys	learning	English	but	still	prefers	to	speak	Cantonese	at	home	
and	Mandarin	with	his	peers.
Even	though	Wang	is	an	only	child,	he	and	his	family	are	surrounded	by	other	
Asian	and	Chinese	immigrants,	so	their	language	and	cultural	transition	has	not	been	difficult.	In	San	Francisco,	Chinese	Americans	are	the	single	largest	ethnic	group,	composing	more	than	20%	of	the	population.	In	Chinatown,	Wang’s	parents	found	work	and	
connections	to	other	families	from	their	hometown	in	Guangdong	Province.	They	own	a	
small	shop	that	sells	electronics	on	Irving	street,	which	hosts	a	variety	of	local	businesses.	
They	attend	church	on	Sundays	and	then	go	to	the	community	center,	where	Wang	par-

ticipates	in	Chinese	school.

Lucía
Lucía	is	a	3-year-old	second-generation	Puerto	Rican	
student	living	in	Boston,	Massachusetts.	Lucía’s	grandparents	were	born	and	raised	in	Puerto	Rico	but	moved	
to	the	mainland	so	her	grandfather	could	attend	graduate	school.	Shortly	after	finishing	his	graduate	degree	in	
education,	Lucía’s	grandparents	got	married	and	started	
a	family;	they	have	lived	in	Boston	ever	since.	Lucía	and	
her	parents	live	very	close	to	their	extended	family,	includ-

but	recently	her	parents	have	been	using	more	Spanish	and	are	trying	to	revitalize	the	
language	with	Lucía	and	her	two	siblings.
All	three	children	attend	a	dual	language	school	in	the	city,	and	Lucía	is	the	
youngest,	attending	preschool	for	the	first	time	this	year.	She	is	English	dominant	and	
prefers	to	use	English	with	her	siblings	and	friends	at	school.	Lucía	is	an	outgoing,	happy	
girl	who	loves	art	and	music	activities	at	school.	The	teachers	report	that	Lucía	needs	
to	be	prompted	to	speak	Spanish	and	that	she	is	always	an	active	participant	during	
instruction	in	English.	The	goals	of	the	dual	language	school	are	for	students	to	develop	
as	bilingual,	biliterate,	and	bicultural	individuals.	During	preschool	and	kindergarten,	the	
program	model	is	80%	Spanish	and	20%	English.	The	percentage	of	English	instruction

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8 López and Páez
than	her	and	have	already	experienced	years	in	this	program.	The	parents	report	great	
satisfaction	with	the	model	because	it	has	prepared	their	children	well	for	attending	an	
English-speaking	high	school	while	ensuring	that	they	speak	Spanish,	which	holds	a

English-speaking	high	school	while	ensuring	that	they	speak	Spanish,	which	holds	a	
great	cultural	value	for	this	family.
Lucía’s	parents	used	to	travel	to	Puerto	Rico	every	year	during	the	summer	months	
and	would	spend	weeks	visiting	relatives	on	the	island.	After	having	three	children,	the	
visits	to	Puerto	Rico	have	become	more	difficult,	but	they	still	try	to	go	at	least	once	every	
3	years.	Lucía’s	mother	explains	that	even	though	she	still	speaks	in	Spanish	with	her	
family	(i.e.,	Lucía’s	grandparents),	she	has	gradually	shifted	to	English	at	home	with	her	
children.	This	has	been	an	issue	for	the	grandparents,	who	help	with	childcare	and	often	
complain	that	the	children	don’t	speak	enough	Spanish.	Both	parents	work	outside	the	
home,	and	it	has	been	difficult	to	maintain	a	bilingual	environment	at	home.	That	is	why

home,	and	it	has	been	difficult	to	maintain	a	bilingual	environment	at	home.	That	is	why	
they	selected	a	bilingual	school	for	their	family.
The	community	context	is	mixed,	with	a	significant	number	of	Latino	families;	however,	an	increasing	number	of	young	professionals	have	been	moving	into	the	neighborhood.	The	grandparents	tell	stories	of	how	much	the	neighborhood	has	changed	and	
recall	the	many	friends	that	have	left	as	the	rents	and	home	prices	have	increased	over	
the	past	10–15	years.	In	fact,	Lucía’s	parents	decided	to	stay	in	this	neighborhood	and	
renovate	an	old	house	given	its	proximity	to	Boston	and	the	gentrification	tracts,	which	
have	increased	investments	in	home	values.	Her	father	notes	that	he	likes	the	diversity	of	
the	neighborhood	and	appreciates	the	energy	and	high	expectations	of	families,	espe-

cially	with	regard	to	education	and	job	opportunities.

tus	(TPS),	and	Roseline’s	family	was	able	to	benefit	from	
the	new	policy.	Roseline	and	two	of	her	siblings	were	
born	in	the	United	States.	There	is	some	concern	regarding	the	family’s	status	if	the	TPS	is	
lifted	because	three	of	the	five	children	are	U.S.	born.	Roseline’s	family	has	settled	in	the	
Little	Haiti	area	of	Miami.	This	area	became	a	thriving	Haitian	community	in	the	1980s	
and	has	continued	to	embrace	Haitian	immigrants	arriving	in	the	United	States.	The	community	is	65%	Black	and	is	known	for	its	French	Creole	signage,	Caribbean	restaurants,	
and	rich	Caribbean	culture.	There	is	a	rich	presence	of	Haitian	influences,	and	longstanding	immigrants	have	risen	to	leadership	positions	within	the	community	and	political	
arena.	In	addition	to	the	rich	culture,	this	area	is	also	known	for	increased	violence,	with	
gang	presence,	drug	deals,	and	homicides.	Little	Haiti	borders	an	up-and-coming	artistic

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Roseline	is	the	middle	child,	with	two	older	siblings	and	two	younger	siblings,	including	a	newborn.	She	is	in	kindergarten	at	the	neighborhood	elementary	school,	which	
is	named	for	the	father	of	the	Haitian	Revolution.	This	is	her	second	year	at	the	school	
because	she	also	attended	voluntary	prekindergarten	(VPK)	at	the	school.	Roseline’s	
older	siblings	are	in	third	and	fifth	grade	at	the	same	school.	The	school	has	a	diverse	
staff,	including	Haitian	immigrants	who	also	live	in	the	community.	It	is	a	true	community	
school.	The	school	prides	itself	in	conveying	the	culture	of	the	community	and	also	serves	
as	a	community	center	by	hosting	community	events.	The	school	infuses	Haitian	heritage	
and	African	and	Hispanic	history	throughout	its	curriculum.	The	school	is	working	to	try	
to	increase	the	test	scores	and	reduce	the	dropout	rate	for	the	students	it	serves.	The	
majority	of	the	students,	including	Roseline,	are	high	risk	due	to	their	low	socioeconomic	
and	immigrant	status.	The	administrators	have	increased	the	school	day	by	60	minutes	to	
provide	reading	enhancements	for	all	students	and	have	added	a	strong	social-emotional	
component	to	the	curriculum,	which	includes	a	dropout	prevention	program	for	the	fifth

component	to	the	curriculum,	which	includes	a	dropout	prevention	program	for	the	fifth	
graders.
Roseline	is	struggling	in	the	areas	of	self-regulation	and	executive	functioning.	Her	
parents	work	several	jobs,	and—with	the	addition	of	the	newborn—they	are	unable	to	
dedicate	much	time	to	Roseline,	who	is	usually	cared	for	by	her	older	siblings.	Sundays	
are	family	days,	when	the	family	dresses	up	and	attends	the	local	church,	where	Mass	is	
held	in	Haitian	Creole.	After	church,	they	gather	with	friends	at	a	local	Caribbean	restaurant.	Roseline	loves	Sundays	the	best	because	she	gets	to	spend	time	with	her	family.	On	
other	days,	Roseline	spends	much	of	her	free	time	indoors	watching	television.	It	is	too	
dangerous	for	her	to	play	outside	due	to	the	crime	rate	in	the	neighborhood.	There	have

dangerous	for	her	to	play	outside	due	to	the	crime	rate	in	the	neighborhood.	There	have	
been	several	shootings	just	blocks	from	her	residence.
Roseline	is	fluent	in	English	and	has	a	receptive	understanding	of	Haitian	Creole.	
Her	parents	were	taught	in	French	in	Haiti	and	are	therefore	literate	in	French	but	speak	
primarily	Haitian	Creole.	Haitian	Creole	did	not	become	an	official	language	in	Haiti	
until	the	late	1980s.	Therefore,	Roseline’s	parents	did	not	learn	to	read	and	write	in	Haitian	Creole,	although	that	is	their	primary	language	for	communication.	They	also	have	
very	limited	English	language	skills.	They	speak	to	Roseline	in	Haitian	Creole,	and	she	
typically	responds	in	English.	This	makes	it	difficult	for	them	to	communicate.	Roseline	has

typically	responds	in	English.	This	makes	it	difficult	for	them	to	communicate.	Roseline	has	
little	interest	in	learning	Haitian	Creole,	even	though	it	is	her	family’s	language.
Roseline’s	teachers	are	concerned	about	her	challenging	behavior	in	school.	
Although	Roseline	has	strong	English	language	skills,	she	is	often	distracted,	doesn’t	complete	her	work,	and	has	a	difficult	time	following	the	rules	of	the	classroom.	The	teachers	have	requested	a	parent–teacher	conference	with	Roseline’s	parents	to	discuss	this	
behavior;	however,	they	have	not	yet	received	a	response.	Roseline	takes	the	bus	to	and	
from	school	with	her	siblings,	making	it	difficult	for	the	teachers	to	establish	communication	with	her	parents.	Roseline’s	teachers	have	sought	the	help	of	the	school	discipline	
team	to	start	a	plan	for	Roseline,	with	the	long-term	goal	of	improving	her	behavior.	They	
worry	Roseline’s	behavior	will	result	in	her	being	at	academic	risk	and	a	candidate	for	
dropping	out	of	school.	Due	to	the	nature	of	the	community	environment,	the	teachers	
and	administrators	at	the	school	are	trying	to	be	proactive	in	providing	early	intervention

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Ko

Ko
Ko	is	a	5-year-old	student	from	Burma	(Myanmar)	living	in	
Queens,	New	York.	Ko	and	his	family	are	ethnic	minorities	(Karen	refugees)	from	the	Thai–Burmese	border	in	
the	Myanmar	region	and	were	living	in	a	refugee	camp	
in	Burma	prior	to	the	family’s	immigrating	to	the	United	
States	4	years	ago.	Ko’s	family	went	to	live	in	the	camp	
after	their	village	was	burned	down	by	the	Burmese	
military.	Ko	was	born	after	his	parents	lost	their	first	child

military.	Ko	was	born	after	his	parents	lost	their	first	child	
as	a	result	of	a	landmine	injury.	Ko	means	“brother”	in	
Burmese.	The	parents	felt	it	would	be	safer	for	Ko	if	they	moved	to	a	refugee	camp	
instead	of	another	Karen	village.	Ko’s	parents	won	the	green	card	lottery	after	applying	
to	the	Diversity	Visa	Program	in	the	hopes	of	raising	Ko	in	a	safer	environment.	They	originally	left	Ko	at	the	refugee	camp	with	family	as	they	explored	their	options	in	the	United

nally	left	Ko	at	the	refugee	camp	with	family	as	they	explored	their	options	in	the	United	
States.	Once	they	settled	in	Queens	last	year,	Ko	joined	them.
Ko	lived	with	family	and	friends	at	the	refugee	camp	between	the	ages	of	1	and	
4	years	old	and	does	not	remember	or	have	an	attachment	to	his	parents.	Ko	never	
developed	a	strong	attachment	to	a	caregiver	and	is	having	a	difficult	time	transitioning	
to	life	in	the	United	States.	Food	was	rationed	at	the	camp,	and	Ko	often	went	days	
without	eating	more	than	one	small	bowl	of	rice	and	mung	beans.	The	Burmese	culture,	
as	reflected	in	Ko’s	Karen	ethnic	group,	focuses	on	the	role	of	community	and	harmony.	
Ko	has	been	taught	to	be	respectful	of	elders	and	not	to	ask	questions.	Questioning	is	
considered	rude	and	disrespectful.	Ko	has	also	been	advised	to	avoid	confrontation	
and	instead	be	cooperative	and	agreeable.	Ko	has	also	been	taught	to	say	“no”	when	
offered	something,	even	if	he	wants	or	needs	it.	Ko	only	speaks	Burmese	and	the	S’gaw	
dialect.	He	is	confused	both	by	the	cultural	norms	in	the	United	States	and	the	English

he	is	much	happier	and	has	a	different	disposition	when	participating	in	church	events	as	
compared	to	his	demeanor	at	home	and	at	school.
Ko’s	parents	are	having	a	difficult	time	adjusting	but	know	this	is	the	best	environment	for	Ko	to	be	raised	safely	and	have	his	best	interest	at	the	root	of	every	decision	
they	make.	The	resource	team	at	Ko’s	school	has	established	a	relationship	with	both	the	
neighborhood	Burmese	Baptist	church	and	the	Burmese	community	center	after	seeing

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Introduction to Dual Language Learners (DLLs) 
refugees	have	experienced	trauma	and	have	hired	a	part-time	staff	member	from	the	
Burmese	community	as	part	of	their	team.	This	staff	member	reaches	out	to	families,	such	
as	Ko’s	parents,	and	is	conducting	a	needs	assessment	to	determine	the	best	resources	to	
assist	the	new	families.	Ko’s	parents	hope	the	school	will	help	Ko	adjust	to	this	new	environment	because	they	place	high	value	on	education	and	deeply	respect	the	teachers

and	staff	at	the	school.

DIVERSITY OF PROFILES ACROSS THE CASE STUDIES
Reviewing the stories of Javier, Wang, Lucía, Roseline, and Ko, one can 
see how each of these DLL children is having very different experiences at 
home, in their educational setting, and in their community contexts due to 
factors related to their language and culture. Although Javier and Lucía are 
both part of a similar ethnic group, their cases highlight the heterogeneity 
that exists within ethnic and racial groups (Genesee, 2010; Lambert, Kim, 
Durham, & Burts, 2017). This idea is sometimes forgotten when working 
with diverse populations. Although Javier and Lucía may share a common 
home language, Spanish, the process of their language acquisition will vary 
because Lucía is a simultaneous learner of the two languages, Spanish and 
English, and is considered English dominant. Javier is more of a sequential 
language learner, learning Spanish first and then English. It is important to 
point out that Javier may be considered an emergent bilingual who is struggling in his acquisition of both languages, a possible indicator of language 
delay. In addition, there may be dialectal differences to consider in their 
pronunciation of sounds, which will affect their phonological awareness, 
and differences in Spanish vocabulary, which must be considered when 
administering oral language assessments. Javier’s family is from Mexico, 
whereas Lucía’s family is from Puerto Rico. Research has shown that children from different Spanish-speaking countries may perform differently

dren from different Spanish-speaking countries may perform differently 
on standardized oral language assessments (Sandilos et al., 2015).
Similarly, both Ko and Wang are from Asia, yet their immigration experiences, language, and culture are extremely different. These differences 
are common across Asian populations in the United States (Umaña-Taylor, 
2011). Although Wang is U.S. born, his parents immigrated from China only 
shortly before his birth. Therefore, although Wang is not considered foreign 
born, it is necessary to point out that Wang began speaking Chinese and 
Mandarin at home and not English. First-generation children born in the 
United States are often considered DLLs or emerging bilinguals because 
they are often spoken to in the parents’ native language at home and learn 
English within an educational context. Therefore, English is often not the 
first language spoken by children who may have been born in the United 
States (Páez, Tabors, & López, 2007). Wang is successfully interacting across 
three languages. Ko, on the other hand, is a foreign-born child who has

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12 López and Páez
dialect. There are over 50 national languages and thousands of dialects spoken across Asia. His cultural experiences of being raised by a village within 
a refugee camp are very different from those of Wang, who spent his first 
few years of life in San Francisco. Although both Ko and Wang would be 
characterized as Asian, the stark differences in their stories are indicative 
of the heterogeneity among Asian populations living in the United States. 
When working with DLLs, it is important to go beyond their racial or ethnic 
background and understand their home and community contexts as mechanisms for informing their educational context. Each of the key components 
to understanding a DLL’s experience is discussed further in the sections

that follow.

specific traits through authoritarian parenting. Parenting styles are also discussed further in Chapter 2.
Other research has focused on the responsiveness of the caregiver 
when interacting and playing with the child (Tamis-LeMonda, Kuchirko, 
& Song, 2014). Research on maternal responsiveness has identified cultural differences in the way mothers respond to their infants and toddlers 
(Ramirez, 2017). In regard to language development, language exposure

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Introduction to Dual Language Learners (DLLs) 
mothers tend to be more intrusive in their children’s play, often redirecting 
what the child is doing. Although this type of responsiveness is considered 
a negative indicator of maternal–child relationships within some cultures, 
it is considered a protective factor within the Latino family and enhances 
children’s bilingual language development (Ramirez, 2017). Understanding 
the different ways context may be culturally relevant in the development of 
children from varying racial and ethnic societies can help educators respect 
the diversity of and establish relationships with the families and children

the diversity of and establish relationships with the families and children 
in their classrooms.
Bronfenbrenner’s theory of human development contends that the relationships between the child and the people in the home are some of the most 
important relationships in the child’s life (Bronfenbrenner & Morris, 1998). 
It is necessary to understand that development does not look the same for 
all children and across all cultures. Although some developmental markers 
are considered universal, the different context in which a child is raised, 
the expectations for the child within that context, and the diversity within 
individual homes result in large variability in performance across children 
of the same age (Vélez-Agosto, Soto-Crespo, Vizcarrondo-Oppenheimer, 
Vega-Molina, & García Coll, 2017). These individual differences will be fur-

ther explored in Chapter 2.

EDUCATIONAL ENVIRONMENT
Contextual factors are critical in understanding the heterogeneity of the 
DLL population in the United States. In addition to relationships that 
develop as a result of the DLL child’s home environment and racial/ethnic 
background and identity, early childhood educators should also consider 
the educational context in which the young child is immersed. The diverse 
variation in abilities, languages, and experiences that young children bring 
with them into an early childhood classroom results in large heterogeneity 
across students (Sawyer et al., 2018). Early childhood teachers and administrators are tasked with understanding how to most effectively engage with 
the diverse group of children in their classrooms to ensure that these children are on an appropriate developmental trajectory to succeed upon for-

dren are on an appropriate developmental trajectory to succeed upon formal school entry (Ramirez, Cycyk, Scarpino, López, & Hammer, in press).
Research within the areas of early childhood education and developmental psychology has focused primarily on the normative development 
of middle-class white children in the United States. The development of 
diverse children has been typically compared to these norms (Cabrera & 
the SRCD Ethnic and Racial Issues Committee, 2013). This cross-group comparison means that children who do not meet the same standards may be 
categorized as “at risk.” The field is beginning to understand that differences in normative development of skills should be focused less on labeling

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14 López and Páez
might require additional support for successful outcomes. To support individual development in the classroom, teachers need a better understanding 
of the research-based best practices and classroom strategies that can help 
children from diverse racial/ethnic and socioeconomic backgrounds suc-

children from diverse racial/ethnic and socioeconomic backgrounds succeed in today’s early childhood classrooms (Sawyer et al., 2016).
The focus of early childhood education has moved beyond just socializing the child into a schooling environment (Pianta, Cox, & Snow, 2007). 
Young children in the United States are now expected to start kindergarten 
with a set of skills that classify them as ready for school. These school readiness skills include knowing a certain set of language, early literacy, and 
early numeracy skills; knowing how to approach learning; knowing how 
to self-regulate and monitor their attention, cognition, and emotions; and 
developing gross and fine motor skills (Snow, 2007). DLLs are often learning

to self-regulate and monitor their attention, cognition, and emotions; and 
developing gross and fine motor skills (Snow, 2007). DLLs are often learning 
these skills in two or more languages.
It is important to realize that obtaining school readiness skills in more 
than one language can serve as an asset in many regards (Espinosa, 2013a). 
Although one often considers the barriers to learning when a child does 
not speak the majority language, considering the strengths the child brings 
to the classroom in his or her first language will facilitate the acquisition 
of skills in English. Children build on their knowledge and skills in their 
first language in acquiring their second language (López, 2011). There are 
many skills they do not need to relearn. For example, research supports 
the cross-language transfer of metalinguistic skills, such as phonological 
awareness, an important precursor for literacy development (López, 2012). 
In addition, children who are able to integrate their home culture and majority culture develop a stronger sense of identity, leading to positive socialemotional outcomes (Huynh, Nguyen, & Benet-Martinez, 2011). Therefore, 
it is important to respect each child’s language and culture and continue to 
support the development of that language and culture while also introducing the majority language and culture. Engaging in dual language learning 
or allowing space for the child to make connections across languages will 
result in positive long-term language, cognitive, and social outcomes for the 
child ( Garcia & Wei, 2014). These ideas and strategies are discussed in more

detail in Chapter 4 of this book.

COMMUNITY CONTEXTS
In addition to the home and educational context, the community context 
also plays an important role in DLL children’s language, cognitive, and 
social development (NASEM, 2017). The community context is the social 
environment in which the child’s family engages in daily interaction. This 
may include the church or other religious community to which the family 
belongs and/or a community center that supports the cultural and linguistic 
community with which the family identifies. In addition to social supports,

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Introduction to Dual Language Learners (DLLs) 
Reese, & Rezaei, 2011; Páez & Hunter, 2015). Communities that house large 
ethnic enclaves often have billboards and store signage in the residents’ 
home language. The home language is regularly used in grocery stores, 
shops, churches, restaurants, and throughout the neighborhood. Examples 
of such communities include Wang’s Chinatown neighborhood in San 
Francisco and Roseline’s neighborhood of Little Haiti in Miami. Wang has 
community support in his neighborhood to maintain his cultural and linguistic roots. He attends a school with bilingual teachers who speak his 
home languages, he is able to attend Chinese school at the local community 
center, and his parents own a small shop in Chinatown. He is surrounded 
by other children and families that have similar cultural experiences to his 
own. Similarly, Roseline lives in a community rich in linguistic and cultural supports, including Haitian Creole signage, religious services held in 
Haitian Creole, and a neighborhood school that infuses Haitian heritage 
culture into the curriculum and school activities. These ethnic enclave communities support the development of bicultural and bilingual individuals. 
Supporting the home culture and language by integrating it with the development of the majority culture and language has been shown to result in 
successful long-term language, cognitive, and social outcomes for DLL chil-

successful long-term language, cognitive, and social outcomes for DLL children throughout the world (Huynh et al., 2011).
The experiences of Wang and Roseline, who live in communities that 
help enrich their home language and culture, are very different from the 
experiences of many DLLs. Ko, for example, lives in a diverse community; 
as such, he is less exposed to Burmese culture and language in his daily 
interactions. Although he does attend a Burmese Baptist church and there is 
a newly established Burmese community center in the area, a strong history 
of Burmese immigrants in the area is lacking. Therefore, linguistic and cultural supports are less salient. Unlike Wang’s experience, Ko’s teacher does 
not speak his home language, and there are fewer linguistic and cultural 
supports available at school and in the community. Due to the limited supports, Ko’s process of learning English will be very different from Wang’s 
language learning experience. The process of learning a second (or third) 
language will vary according to the context of the community, including 
the status of the home language in the community and the opportunities 
for exposure to languages other than English in the neighborhoods, shops, 
community centers, and religious institutions, among other community 
resources (Goldenberg et al., 2011).

resources (Goldenberg et al., 2011).

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16 López and Páez
speaking, listening, reading, and writing domains. Evidence from different 
studies with children in the United States and international contexts such as 
Canada and Europe demonstrates that not all DLLs develop the same way, 
with certain domains of language and literacy progressing at different rates

with certain domains of language and literacy progressing at different rates 
given different learning conditions (NASEM, 2017).
For DLLs, the development of language and literacy involves the integration of component skills (e.g., sound-symbol awareness, grammatical 
knowledge, vocabulary knowledge), as well as more elusive sociocultural 
variables, critical to the development of reading and writing (Castro et al., 
2011). These component skills and the corresponding variables are explored 
and explained in Chapter 5. Bilingual children can and do develop second 
language literacy while they are acquiring second language oral proficiency. 
Furthermore, the oral, reading, and writing skills of a bilingual learner 
interact with one another, creating complex relationships of mutual support 
(Brisk & Harrington, 2007). As evidenced by DLL children’s developmental 
trajectories, these students do not approach native-speaker proficiency in 
all linguistic domains at the same pace (Paradis, Genesee, & Crago, 2011). 
For example, longitudinal developmental studies have found that DLL students develop word-decoding skills at the same rate as monolingual sameage peers, whereas they can lag behind in other areas of language such as 
vocabulary (Mancilla-Martinez & Lesaux, 2010; Oller, Pearson, & Cobo-

age peers, whereas they can lag behind in other areas of language such as 
vocabulary (Mancilla-Martinez & Lesaux, 2010; Oller, Pearson, & Cobo-
Lewis, 2007; Páez et al., 2007).
Oral language skills such as vocabulary are critical for developing literacy in all children. For DLLs, vocabulary development has been identified as an area requiring attention by early educators (August & Shanahan, 
2006). This is particularly an area of need for children from low-SES status 
backgrounds, such as those participating in Head Start early childhood 
programs (Páez et al., 2007). DLL students’ level of vocabulary knowledge 
is an important predictor of reading ability, comprehension, and achievement on reading assessments (August, Carlo, Dressler, & Snow, 2005). DLLs 
learn new words at home and at school. Children develop vocabulary skills 
based on the quantity and quality of exposure to language. For example, a 
child such as Javier is exposed to both his home language and English on 
a daily basis, allowing him to develop vocabulary skills in both languages 
as an emergent learner. In contrast, a child such as Wang, who speaks only 
Chinese at home, is a beginner English learner who, when assessed, might 
show stronger vocabulary skills in his home language. With increased 
vocabulary skills, DLL students are better prepared to deal with more difficult comprehension tasks and the increasing challenge of academic lan-

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Introduction to Dual Language Learners (DLLs) 
however, when assessing dual language abilities (i.e., knowledge of words 
in each language), the vocabulary skills are comparable to monolinguals 
(Hoff et al., 2012). These findings suggest that early childhood educators should consider students’ total vocabulary for both assessment and 
instruction. Another line of research is considering conceptual vocabulary, which is the number of concepts the child knows regardless of the 
language, by measuring distinct words. Either metric, total vocabulary 
words or conceptual knowledge, will result in a more accurate understanding of the DLL child’s vocabulary capabilities (Mancilla-Martinez & 
Vagh, 2013). A 2016 study found that DLL preschool children who attend 
English-speaking programs are more likely to learn translation equivalents than learn new words in their second language (Goodrich, Lonigan, 
Kleuver, & Farver, 2016). Other studies have focused on conceptual vocabulary in Latino DLLs by studying their development of vocabulary across 
English and Spanish from preschool through kindergarten (Goodrich & 
Lonigan, 2018) and comparing English-only vocabulary instruction to 
bilingual vocabulary instruction (Méndez, Crais, Castro, & Kainz, 2015). 
Results from both of these studies indicate that children might show stronger skills in their home language initially, with increasing English skills by 
kindergarten, and that dual language instruction can support vocabulary 
skills in both of the child’s languages. These results highlight the added 
benefits of considering total conceptual vocabulary for promoting lan-

skills in both of the child’s languages. These results highlight the added 
benefits of considering total conceptual vocabulary for promoting language development of DLLs.
Although most of the language and literacy studies have been conducted with Spanish-speaking populations, comparative research with 
diverse bilingual populations has found similar patterns of developmental differences across domains. For example, research comparing Hebrew-
English, Spanish-English, and Chinese-English bilingual students with 
English monolingual students has shown an advantage for bilinguals in 
skills such as phonological awareness, but also confirmed vocabulary deficits among bilinguals (Bialystok, Luk, & Kwan, 2005). In addition, this 
line of comparative research has also demonstrated the potential for transfer from one language to the other, especially when the languages share 
linguistic characteristics such as similar writing systems (e.g., Spanish-
English alphabetic system). This information is important when working 
with children such as Wang and Ko, who speak a language with a different writing system than English, because then teachers can be aware of the 
challenges these students face when learning English. Conversely, with 
children such as Javier, Lucía, and Roseline—who speak Spanish and Haitian Creole, which have the same alphabetic writing system as English—
early childhood educators can maximize similarities and opportunities

early childhood educators can maximize similarities and opportunities 
for transfer.
Thus, early childhood educators can expect DLL children to dem-

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18 López and Páez
Emphasis should be given to oral language development, as these skills play

an important role in predicting reading and writing in later years.

Importance of Supporting Home Language
Substantial research has demonstrated the benefits of supporting the simultaneous development of young DLLs’ home languages and English in the 
early years (Barnett et al., 2007; Buysse, Peisner-Feinberg, Páez, Hammer, 
& Knowles, 2014; Magnuson et al., 2004; McCabe et al., 2013; NASEM, 2017; 
U.S. Department of Health and Human Services & U.S. Department of 
Education, 2017; Winsler et al., 2014). Studies have found that DLL preschoolers who receive more instruction in their home language in highquality early learning programs make significant gains (U.S. Department 
of Health and Human Services & U.S. Department of Education, 2017). For 
example, a study across 11 states with 357 Spanish-speaking 4-year-old 
children in 701 preschool classrooms found that DLLs’ gains in reading 
and math were larger when children received more instruction in Spanish in high-quality classrooms with responsive and sensitive teachers 
(Burchinal, Field, López, Howes, & Pianta, 2012). Moreover, there are 
additional benefits to supporting home language development for DLLs 
during early childhood, such as promoting bilingualism, establishing a 
strong cultural identity, and maintaining strong ties and communication 
with family members (Espinosa, 2013b). Therefore, early childhood educators need training to support home languages in the classroom even when 
they are monolingual. Yet, support for the home language in early learning settings varies widely and is influenced by program types and policies

in early childhood education.
COGNITIVE AND SOCIAL-EMOTIONAL

COGNITIVE AND SOCIAL-EMOTIONAL 
DEVELOPMENT IN THE CONTEXT OF BILINGUALISM
Although more is known about DLLs’ language and literacy development 
compared to other domains of child development, important findings have 
been uncovered regarding DLL children’s cognitive and social-emotional 
skills in the context of bilingualism. Research studies on the relationship 
between bilingualism and cognition have found that particular aspects 
of cognitive functioning such as executive functioning develop more rapidly in children with bilingual experiences (Bialystok, 1999, 2001; Bialystok 
& Martin, 2004; Bialystok, Martin, & Viswanathan, 2005). These studies 
compare monolingual and bilingual individuals (usually those who have 
balanced skills across languages, also known as balanced bilinguals) to 
examine differences in cognitive skills. This research has provided some 
evidence for links between bilingualism and specific cognitive skills such 
as attention and inhibitory control (e.g., Carlson & Meltzoff, 2008; White

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Introduction to Dual Language Learners (DLLs) 
applications of these findings to diverse populations of bilingual children 
from diverse backgrounds and with different levels of proficiency in their

from diverse backgrounds and with different levels of proficiency in their 
languages.
In addition to cognitive development, research has also been conducted to investigate the social-emotional development of DLL students. 
A review of the literature in this area focused on key social-emotional 
developmental constructs such as attachment, social competence, social 
cognition, emotion regulation, and behavior regulation (Halle et al., 2014). 
Findings from this review suggest that there are social-emotional benefits for children who are bilingual. For example, bilingual children have 
higher rates of following directions and task orientation and lower rates 
of problem behaviors compared with monolingual preschool children 
(De Feyter & Winsler, 2009; Han, 2010; Winsler et al., 2014). In addition, 
they exhibit advantages in sociolinguistic awareness (Cheung, Mak, Luo, 
& Xiao, 2010), self-control, and interpersonal skills (Han, 2010). Similar 
to studies of cognitive development among DLL children, methodological concerns limit the generalizability of these findings. More research is 
needed to disentangle the associations between bilingualism and these 
skills and to better understand the influence of factors such as immigrant 
status and heritage culture. However, early childhood educators should 
note that there are benefits of bilingualism for these domains of development, which can support the view of additional languages as a resource

and asset for children.

development and learning about effective practices with this population 
(Castro et al., 2011).
The increase in DLLs in early childhood settings and the urgency for 
improving the quality of these programs have prompted the attention of 
national and state policies designed to support this population. One important change in the early childhood landscape has been the number of preschool DLLs in public school settings. Across the nation, the number of 
children served in early childhood education programs has increased in 
recent years, influenced by the expansion of state-funded preschools. As

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20 López and Páez
preschool-age population in state-funded programs (Friedman-Krauss 
et al., 2018). There are concerns regarding the ability of these programs and 
teachers to meet the needs of this population, given the lack of information 
and policies to support them. For example, the National Institute for Early 
Education Research reports that only 26 state-funded preschool programs 
can report the home languages of children enrolled in their programs, and 
only 35 programs reported having policies to regulate services for DLL 
children (Friedman-Krauss et al., 2018). Furthermore, few programs require 
lead teachers to have qualifications and training related to educating preschool DLLs, and no programs report having similar requirements for assistant teachers (Friedman-Krauss et al., 2018). These trends make it difficult to 
implement effective practices for DLL children and their families. We hope 
that the information provided in this book helps early childhood leaders 
and educators develop the knowledge and skills necessary to support these

that the information provided in this book helps early childhood leaders 
and educators develop the knowledge and skills necessary to support these 
students.
Unlike state-funded preschools, Head Start national early childhood 
programs have been at the forefront of developing policies, structures, 
and procedures to support the DLL population. For example, Head Start 
developed the Dual Language Learners Program Assessment, which is a selfassessment guide for programs to ensure effective services for DLLs (U.S. 
Department of Health and Human Services, Administration for Children and Families, 2018). In addition, Head Start focuses on quality and 
teacher training for DLLs through the establishment of the National Center on Cultural and Linguistic Responsiveness, which provides information, practices, and strategies for working with diverse children and their 
families. Finally, the U.S. Department of Health and Human Services, in 
collaboration with the U.S. Department of Education, developed a policy 
statement supporting the development of children who are DLLs and 
encouraging early childhood programs and schools to address the specific 
needs and developmental characteristics of this population (U.S. Department of Health and Human Services & U.S. Department of Education, 
2017). It is clear that we need to continue to expand access to and quality 
of early childhood programs, including developing the appropriate workforce of leaders and educators who are trained in developmentally appropriate and culturally relevant practices to serve this diverse population. 
This book integrates important information from these different initiatives 
and policy reports, making it more accessible for leaders and educators of

young DLL children.

CONCLUSION
In sum, research with DLLs demonstrates that early childhood educators

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Introduction to Dual Language Learners (DLLs) 
in understanding bilingualism. First, as shown in this chapter, the DLL 
population represents a diverse group of children and their families. The 
five cases presented in this chapter illustrate this diversity and will be used 
as examples throughout the book. Research has shown the importance of 
considering the unique profiles and differences that exist among bilingual and multilingual children. In addition to individual developmental 
factors, it is important to consider contextual factors related to the home, 
classroom, and community environments that support language and 
development for these children. Home environments and home language 
use by families often set the foundation for the process of bilingualism 
and language development in children. Beyond the home context, children are also influenced by their school, community, and societal contexts, 
which all contribute in shaping their language learning experiences and 
outcomes. Moreover, research has established the critical role of language 
and literacy development for DLLs while also identifying certain areas 
(e.g., vocabulary) as particularly challenging for some DLLs, such as 
Spanish-speaking students from low-SES status backgrounds. Although 
more is known about what influences language and literacy development than other areas of growth for DLL children, this chapter also discussed aspects of cognitive and social-emotional development that vary 
in the context of bilingualism. Finally, the chapter concluded with a call 
to action by reviewing recent policy initiatives from federal agencies and 
national organizations to support the education of DLL children in the

United States.

SELF-STUDY AND REFLECTION
Consider	your	early	childhood	classroom	and	the	DLL	children	with	diverse	developmen-

SELF-STUDY AND REFLECTION
Consider	your	early	childhood	classroom	and	the	DLL	children	with	diverse	developmental	and	contextual	profiles.
1.	 Create	a	graph	or	chart	that	helps	you	to	identify	the	heterogeneity	of	the	
children	and	families	enrolled	in	your	program	or	classroom.	The	heterogeneity	
may	be	reflected	as	cultural,	linguistic,	social,	and/or	academic	diversity.	
How	does	your	program	or	classroom	compare	to	the	heterogeneity	discussed

presented	in	this	chapter?	Consider	similarities	and	differences	related	to	the	home,	
school,	and	community	contexts.
3.	 For	further	reflection,	develop	a	profile	for	a	student	in	your	program	or	classroom.	Identify	specific	characteristics	that	are	relevant	for	learning,	such	as	the	
language	and	early	literacy	skills	of	this	student,	level	of	exposure	to	different	languages,	and	other	factors	that	might	influence	his	or	her	experience	in	the	early	
childhood	classroom.	Consider	using	the	template	in	Figure	1.1	for	developing	the

How	does	your	program	or	classroom	compare	to	the	heterogeneity	discussed	
in	this	chapter?
2.	 How	do	the	children	in	your	program	or	classroom	compare	to	the	five	case	studies	
presented	in	this	chapter?	Consider	similarities	and	differences	related	to	the	home,

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| Case Study Template |  |
| --- | --- |
| Child Name |  |
| Age |  |
| Gender |  |
| History and background for immigration
• Where is the family from (i.e., ethnicity, race, cultural background, and/or country of origin)?
• How many years has the child been in the United States (if foreign born)?
• What aspects of the child&#x27;s experience are salient (e.g., refugee status, second generation, family separation)? |  |
| Family background
• Who lives at home with the child?
• What languages are spoken at home?
• Do parents work outside of the home?
• What kind of social support and other resources are available? |  |
| Language skills and individual factors
• Opportunities for exposure and use of both languages
• Skills in both home and school languages, including listening, speaking, reading, and writing skills
• Receptive and productive vocabulary
• Personality, temperament, and motivation factors |  |
| School description/experience
• Previous school/program experience
• Current school/program experience
• Type of language program |  |
| Community context
• Diversity in the community
• Cultural and linguistic opportunities
• Value and status of child&#x27;s population, including culture and language(s) |  |

Figure 1.1. Template for case study of DLL child.

Teaching Dual Language Learners: What Early Childhood Educators Need to Know,

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Introduction to Dual Language Learners (DLLs) 25
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EARLY CHILDHOOD / BILINGUAL EDUCATION

EARLY CHILDHOOD / BILINGUAL EDUCATION
“Timely, well researched, and highly accessible . . . addresses the need for research-based 
approaches that all early childhood educators can implement. Bravo to Lisa López and

approaches that all early childhood educators can implement. Bravo to Lisa López and 
Mariela Páez for their much-needed contribution to the effective education of DLLs.”

—Linda Espinosa, Ph.D., Professor Emeritus, University of Missouri–Columbia
“A comprehensive resource for all professionals who engage with DLLs and their families.
The research-to-school (and home) practices are excellent and essential for ensuring

The research-to-school (and home) practices are excellent and essential for ensuring 
positive language and learning outcomes of DLLs.”

As the number of dual language learners (DLLs) in early childhood 
settings continues to rise, educators need to know how to teach, 
engage, and assess children from different cultural and linguistic 
backgrounds. They’ll find the effective strategies they need in this 
timely book, a reader-friendly guide that expertly connects research

to practice for teachers of young DLLs. 
Early childhood educators will get the up-to-date research, in-depth

As the number of dual language learners (DLLs) in early childhood 
PRACTICAL MATERIALS

Early childhood educators will get the up-to-date research, in-depth 
case studies, and practical guidance they need to
•  Connect and work with families, with consideration for their

•  Self-study and  
reflection activities

•  Connect and work with families, with consideration for their 
cultural context, practices, beliefs, goals, and diverse experiences
•  Internalize eight key beliefs every teacher should have about

•  Internalize eight key beliefs every teacher should have about 
dual language learning and apply those beliefs to practice
•  Implement specific, evidence-based classroom practices that promote the learning and

•  Implement specific, evidence-based classroom practices that promote the learning and 
development of young DLLs

of DLLs 
Extending the groundbreaking work of Patton O. Tabors and ideal for use as a textbook or inservice guide, this concise book compiles everything teachers need to know about working with

www.brookespublishing.com
