High-quality dual language immersion (DLI) programs can be a key lever to provide every student with a pathway to multilingualism. The Dual Language Immersion Playbooks (DLI Playbooks) provide a roadmap for the creation, design and adoption of policies, processes, programs, and practices that state educational agencies (SEAs), local educational…

While research on Irish-medium immersion education (IME) has heralded benefits such as cognitive skills, academic achievement and language and literacy development, many studies have also identified challenges to its successful implementation. Immersion-specific research-validated tools can help school leaders navigate the school self-evaluation…

The Federated States of Micronesia National Department of Education (FSM NDOE) requested support from the Region 18 Comprehensive Center (R18CC) to build National and State-level knowledge of effective practices in bilingual and multilingual education. This scan offers an overview of evidence-based practices for implementing and evaluating the…

Multilingual learners (MLs) are the country's fastest-growing student population: One in five students speak a language other than English at home, and 10 percent of the student population across the country is identified for language development services in school. Despite these students' growing presence nationwide, relatively few best practices…

At the time of the demise of bilingual education in California via Proposition 227, Chueng and Drabkin (1999) discussed the unchecked prevalence of poorly run bilingual programs and the apathetic administrators who provided inadequate oversight in terms of ensuring program quality. Proponents of dual language immersion programs hope to avoid this…

The purpose of this review is to provide a comparison of reading outcomes of the two most popular bilingual programs in the United States: Transitional Bilingual Education and Two-way Bilingual programs. To provide context, we present a theoretical framework and a brief historical perspective on how these programs came to gain popularity. We…

This essay offers a candid overview of the past one hundred years of preK-fifth grade Spanish language teaching and learning in the United States. Among the topics addressed are numbers of programs, program models, and factors that impact the success of learners and programs.

The potential of TWI to close the achievement gap for English language learners and to provide both native English speakers and native partner-language speakers with access to a high-quality education with positive academic, language, and sociocultural outcomes is clear. In this article, I argue that the realization of this potential for TWI…

Increased interest by political leaders and parents in educating linguistically competent U.S. students to compete in the global society has emphasized the need for early foreign language learning for all students. Language education researchers have identified core elements of sustainable long-term successful programs that begin in elementary…

This article presents research that highlights the success of dual language education for student participants, both native English speakers and English language learners, from a variety of demographic backgrounds at both the elementary and secondary levels. However, there are a number of challenges that can impede the quality of implementation in…

While much research has demonstrated that English-only rhetoric negatively affects bilingual education for the children of US immigrants, few studies have examined the local negotiations and discourses that shape the development of multilingual programming for English-speaking students. Across the USA, educational leaders and policy-makers today…

This study investigated the degree to which the quality of teachers' language modeling contributed to reading achievement for 995 students, both English language learners and native English speakers, across developmental bilingual, dual language, and monolingual English classrooms. Covariates included prior reading achievement, gender, eligibility…

A challenge noted in a number of endangered language contexts is the need to mix second-language (L2) learners of the target language with first-language (L1) speakers of that language in a less planned way than is found in the two-way immersion approach. Such mixing of L1 speakers of the target language with L2 learners arises from the difficulty…

This article reports the outcomes of a multiyear study comparing the English and Spanish language and reading performance of Spanish-dominant children randomly assigned, beginning in kindergarten, to transitional bilingual education (TBE) or structured English immersion (SEI) for periods of up to 5 years. On the Peabody Picture Vocabulary Test and…

Background/Context: In September 2007, the Arizona State Board of Education adopted the Structured English Immersion (SEI) model proposed by the Arizona English Language Learner (ELL) Task Force.During the 2008-2009 academic year, it required all school districts to implement the SEI model.The SEI program, best known as the 4-hour English Language…