In many countries, children need to become proficient in both their home language (L1) and an international language, such as English (L2). Governments face tradeoffs in how to prioritize these two objectives. We provide empirical evidence on cross-linguistic transfer between L1 and L2, using the results of two randomized evaluations of Structured…

Context: The island of Malta is a former British colony, and to this day, education continues to be accessed bilingually. For mathematics education, Maltese and English are used for verbal interaction, with subject-specific words tending to be retained in English. Written mathematics texts are in English, including textbooks, worksheets, digital…

This article presents findings of a qualitative study about students' language ideologies in a transitional bilingual education (TBE) programme located in the US-Mexico border. Although officially regarded as 'TBE', results show that both ideologies and practices resemble an English monolingual form of education where only the English language is…

The majority of learners in South African schools are African language speakers, yet the dominance of English in the political economy has meant that schools choose to switch to English medium instruction by Grade 4, before learners have the necessary English proficiency to access the curriculum, with negative effects on learning. This paper…

This study focused on two fourth-grade science classrooms with English learners (ELs), exploring how teachers supported students' science and language/literacy learning in different language contexts. Three a priori research-based practices recommended for supporting science learning framed our exploration: (a) negotiation, opportunities for…

The purpose of this research is to examine the English language proficiency trajectories of 2,201 fourth- through eighth-grade Latino English learner (EL) students who differed by current English language proficiency and were enrolled in a dual language program. Results showed that (1) students in the four English language proficiency groups…

The Extended Foreign Language (EFL) program is a "school within a school" dual language program in which students are instructed in both English and a language other than English (Spanish or French) with one hour of daily instruction in that language. Most of the schools participating in the program implement the English/Spanish version…

This longitudinal study examined the contribution of morphological awareness to bilingual word learning of Malay-English bilingual children in Singapore where English is the medium of instruction. Participants took morphological awareness and lexical inference tasks in both English and Malay twice with an interval of about half a year, the first…

The Houston Independent School District offers two primary bilingual programs for Spanish-speaking English learners (ELs). In the Transitional Bilingual program (TBP), students may move into a pre-exit phase of bilingual education so long as they meet certain performance criteria. In this Pre-Exit phase, predominantly English-language instruction…

English Language Learner (ELL) students in the district's two main bilingual programs (Transitional and Dual Language) are instructed in both English and Spanish. The relative amount of instruction in each language depends on both program and grade level. Students in the Transitional Bilingual Program have the option of entering a pre-exit phase…

The aim of this paper is to provide new evidence on the effectiveness of Content and Language Integrated Learning (CLIL) in the acquisition of English language competences (reading, writing, listening and spoken production and interaction) compared to traditional learning of English as a foreign language (EFL) in primary school settings. To do so,…

The Houston Independent School District offers two primary bilingual programs for Spanish-speaking English-language learners (ELLs). In both programs, students may transition into a pre-exit phase of bilingual education so long as they meet certain performance criteria. In this Pre-Exit phase, predominantly English-language instruction is used in…

The number of students that live in families where a language other than English is spoken has risen relative to the English-only households in the United States over the last 25 years. These students face the dual challenge of mastering English while acquiring academic skills and knowledge. The education of these students has been shaped by…

The Houston Independent School District offers two primary bilingual programs for Spanish-speaking English-language learners (ELLs). In both programs, students may transition into a pre-exit phase of bilingual education so long as they meet certain performance criteria. In this Pre-Exit phase, predominantly English-language instruction is used in…

As English-only efforts continue in the US schooling system, dual-language programs have served as attempts to preserve students' home language. An after-school, dual-language, Spanish-English, mathematics program, Los Rayos was developed in a predominantly Mexican/Mexican-American neighborhood in Chicago. As participant observers with a…