Evidence suggests that short-term study abroad experiences can help advance various dimensions of second language (L2) learners' linguistic competence. However, the extent to which gains following a brief sojourn are durable and maintained after immersion remains an open question. The present study examined both the immediate and sustained…

Indigenous-language immersion (ILI) is a form of schooling where all, or nearly all, classroom instruction in every subject area is conducted in an Indigenous language. This dissertation comprises three case study comparisons of neighboring pairs of ILI and English-medium school programs. The first case study examines two elementary schools in the…

This study reviews the emerging studies on the topic of Chinese immersion programs in the U.S. The effectiveness of Chinese immersion programs has been proved to have positive impacts on students' language proficiency, academic performance, and cognitive development. However, challenges in curriculum and instructions, behavior management, and…

The rising demand for dual-language immersion (DLI) programs, which offer core instruction in two languages from early grades onward, has raised questions about program design and access. We leverage the rapid expansion of DLI schools across the U.S. state of Utah to estimate effects of DLI program availability on the academic achievement of…

This dissertation focused on comparing the academic achievement and language proficiency in both English and Spanish of students at risk for language and learning difficulties, with bilingual typically developing students in two bilingual educational contexts: English as a Second Language program and Spanish two-way immersion program. Data was…

Bilingual education has been an educational option in many countries for over 50 years but it remains controversial, especially in terms of its appropriateness for all children. The present review examines research evaluating the outcomes of bilingual education for language and literacy levels, academic achievement, and suitability for children…

The study of motivation in Content and Language Integrated Learning (CLIL) contexts has hitherto one-sidedly been concerned with motivation to learn the foreign language, without regard for CLIL's eponymous focus on the inextricable connection between language and content. To fill this gap, this article focusses on CLIL learners' motivation not…

Assessment "as," "for," and "of" learning complement effective curricular and instructional practices, however, the complexities of assessment for multilingual students are too-often overlooked and misunderstood. What if multilingual learners, teachers, and educational leaders all had opportunities to plan for and use…

Researchers have estimated that by 2030, two of every five American public school students will be acquiring English as second language learners (Shah & Cavanagh, 2012). Providing adequate means by which ELLs can obtain both English language and academic proficiency will be paramount if they are to be successful, contributing members of their…

"Culturally and Linguistically Responsive Education" provides a much-needed blueprint for how school leaders can leverage the power of collaborative learning to create more culturally and linguistically responsive schools. The book describes an innovative network of twenty preK-8 schools located across the United States striving to…

French immersion programs in Saskatchewan have traditionally served to further the goals of additive bilingualism between Canada's two official languages, French and English. Whereas these programs have historically consisted of predominantly Anglophone populations, recent trends in immigration have contributed to the increasingly diverse…

We describe research results and lessons learned from a laboratory/ classroom collaboration with a school system offering both traditional English-only education and a dual-language track (Spanish/English). Through this collaboration, we addressed basic research questions informing malleable factors that impact cognitive development. In a…

The Texas Education Code (§ 29.051) requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This evaluation report summarizes the performance of students who participated in the district's Dual Language Bilingual Program. Included…

This paper first considers what it means to become truly proficient in a language other than the native one. It then looks briefly at the evolution of dual language programs. Next, it focuses on the issue of whether the first language (L1) or the second language (L2) serves as the language of mediation. Other dual language program issues are then…

The Texas Education Code (§ 29.051) requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This evaluation report summarizes the performance of students who participated in the district's Dual Language Bilingual Program. Included…