While CLIL programmes have been extensively researched for their impact on L2 learning outcomes, the relationship between young learners' L2 proficiency and subject knowledge has received less attention. This study aimed to address this research gap by examining the science content knowledge of two cohorts of Grade 5 students (n = 100) from two…

English learner (EL) children (i.e., children learning English as a second language) constitute one of the fastest growing, yet disproportionately underachieving, segments of the U.S. public-school population. A main difficulty that ELs face at school is learning English and content-area knowledge in tandem. Low levels of English proficiency may…

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;…