Previous studies about ELs have reported data on active English Learners--defined as those students who have not yet reached proficiency on a state English test--at a specific moment in time. This study, for the first time, analyzed the long-term trajectories of 18,000 CPS students who began kindergarten as ELs and followed their progress all the…

This study examined associations between quality of social and physical environments in preschools and children's development of academic, language, and literacy skills, and the extent to which preschool quality moderated the associations between child risk and development. Participants were a diverse sample of 540 four-year-old children in…

Rarely in educational research do researchers have access to data that allow them to empirically explore the impacts of programs on individual student learning over long periods of time. This element of Consortium for Policy Research in Education's (CPRE) evaluation of the America's Choice comprehensive school reform design is one of those…

This article presents findings from a 4-year study of 13 culturally and linguistically diverse elementary schools implementing comprehensive school reform (CSR) models. The study focused on: (a) the actions at the state and district levels that facilitated or inhibited reform implementation; (b) the adaptability of the various reforms in…