Vocabulary is a building block of understanding, especially in science classrooms where language abilities are mixed. To reduce academic inequalities, approaches to vocabulary instruction need to demonstrate benefits for students across learning contexts. We summarize the results from the first unit, "Earth Systems and Catastrophic…

English language education in the region of Castilla-La Mancha (Spain) has undergone significant change in the last decade with the rapid implementation of different types of CLIL-based Spanish-English bilingual programs. This situation places English linguistic competence at the center of controversy given the need for certified bilingual…