Many educators and policy makers look to two-way dual language immersion as one of the most promising options to close achievement gaps for English learners. However, the programs' effectiveness depends on the quality of their implementation. This article reports on a large-scale study of the implementation of dual language immersion across a…

This article explores the placement practices of students into different educational programs in PreK-first grade, including two bilingual education programs and an ESL "mainstream" classroom. We then examine the discourse practices of four third-grade teachers and the school principal. Our findings suggest that initial program placement…

This article provides an in-depth exploration of the language ecologies of two classrooms attempting to implement a two-way dual language (TWDL) program and its mediating conditions. Drawing on ethnographic methods and a sociocultural understanding of language, we examined both teachers' and students' language ideologies and language practices,…