In South Africa, English is used as a language of learning and teaching for most students from Grade 4 onwards. National policies have requirements for all teachers regarding language proficiency in English, and they also require all teachers from Grades R (pre-school) to 6 to be English language teachers. Because most teachers are not English…

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;…