Helping ELLs Meet the Common Core State Standards for Literacy in Science: The Impact of an Instructional Intervention Focused on Academic Language

The goal of this study was to assess the effectiveness of an intervention—Quality English and Science Teaching 2—designed to help English language learners (ELLs) and their English proficient classmates develop academic language in science, as required by the Common Core State Standards. The intervention consisted of supplementary instructional materials and professional development. Participants included 1,309 students, of whom 353 were ELLs....