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This review analyzes and synthesizes current research on science education with ELLs. Science learning outcomes with ELLs are considered in the context of equitable learning opportunities. Then, theoretical perspectives guiding the research studies reviewed here are explained, and the methodological and other criteria for inclusion of these research studies are described. Next, the literature on science education with ELLs is discussed with regard to science learning, science curriculum (including computer technology), science instruction, science assessment, and science teacher education. Science education initiatives, interventions, or programs that have been successful with ELLs are highlighted. The article summarizes the key features (e.g., theoretical perspectives and methodological orientations) and key findings in the literature, and concludes with a proposed research agenda and implications for educational practice.

This article reviews experimental studies comparing bilingual and English-only reading programs for English language learners. The review method is best-evidence synthesis, which uses a systematic literature search, quantification of outcomes as effect sizes, and extensive discussion of individual studies that meet inclusion standards. A total of 17 studies met the inclusion standards. Among 13 studies focusing on elementary reading for Spanish-dominant students, 9 favored bilingual approaches on English reading measures, and 4 found no differences, for a median effect size of +0.45. Weighted by sample size, an effect size of +0.33 was computed, which is significantly different from zero (p (.05). One of two studies of heritage languages (French and Choctaw) and two secondary studies favored bilingual approaches. The review concludes that although the number of high-quality studies is small, existing evidence favors bilingual approaches, especially paired bilingual strategies that teach reading in the native language and English at different times each day. However, further research using longitudinal, randomized designs is needed to determine how best to ensure reading success for all English language learners. (DIPF/Orig.).

The principles for enabling children to become fully proficient multilinguals through schooling are well known. Even so, most indigenous/tribal, minority and marginalised children are not provided with appropriate mother-tongue-based multilingual education. This book asks why this is, and shows how it can be done. Most Indigenous and minority children are not provided with multilingual education, which would enable them to succeed both in school and in society. In this important book, experts from around the world show how multilingual education can be provided, and what it can achieve.

Based on a longitudinal study of an international educational programme in English as the participants' lingua franca, this chapter argues for 'integrative explaining' as a new construct that offers direct access to analysing content and language integrated learning at the micro-level. A detailed discourse-pragmatic analysis of twelve lessons spread over two years in this tertiary classroom community of practice has revealed distinct patterns of explaining subject-specific versus general terms and expressions. The results offer new and revealing insights into, firstly, the community-specific discursive 'principle of joint forces' and, secondly, the different activation of subject- vs. language expertise in discursively integrating new concepts into already shared knowledge.

Taking an ethnographic study of the purpose and value of bilingual education in Mozambique as a starting point, this book calls for critical adaptations when theories of bilingual education, based on practices in the North, are applied to the countries of the global South.