This thesis evaluates the curricula implemented in four mother-tongue based multilingual education programs in the Philippines, Thailand, East Timor, and Cameroon. The method for conducting research in this thesis is based on the five principles to enhance learning presented by the World Bank and the prism model developed by Thomas and Collier.…

Bilingual education in the United States basically involves English language learners (ELLs) in mainstream classes and students who are learning an additional language in a foreign language immersion (FLI) program. Although academic vocabulary instruction for ELLs has attracted increasing attention in the past two decades (e.g., McQuillan, 2019;…

The dissertation is divided into seven chapters. In the first chapter, I outline the study objectives in relation to the current research on translingual instructional activities in English-dominant schools, describe how I will contribute to this growing body of work, and provide the research questions that guided the study. In Chapter 2, I…

As the number of English Language Learners (ELLs) continues to grow in our country, schools are looking for ways to better identify and to help those who need English as a Second Language (ESL) services (Mossaad, 2016). ELLs present a unique challenge to school districts as some perceive that the federal guidelines are vague, but require school…

This descriptive and exploratory case study focused on a specific Content-Based Language Teaching (CBLT) curriculum within the context of higher education in China. The researcher investigated the rationale behind the current design and students' and teachers' perceptions about the curriculum, as well as, their perceived motivations and challenges…