Implementing the Cognitive Academic Language Learning Approach:CALLAin Arlington, Virginia

This article describes the implementation of the Cognitive Academic Language Learning Approach (CALLA), an instructional model that fosters the school achievement of students who are learning through the medium of a second language. Specifically, the CALLA science and math programs for secondary English language learning (ELL) students in Arlington Public Schools are examined with respect to program goals, curriculum and materials development, teacher education, instruction, native language support, parent involvement, and assessment and evaluation. A critical assessment of the success of CALLA's implementation is included.