We report on the use of bilingual constructed response science assessments in the context of a research and development partnership with secondary school science teachers. Our project provided a series of workshops for teachers where they explored students' emergent reform-oriented science meaning-making in our project-designed assessments. We…

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…