This brief provides guidance to policymakers and practitioners on the challenges and opportunities of the "dual language immersion" (DLI) model and presents research conducted with teachers and administrators both before and during their first years of implementing new DLI programs in several Indiana school districts. The brief also…

This practitioner issue brief outlines successful strategies and recommendations for state-level policymakers, administrators, schools, and districts that are based on a 5-year evaluation study on the learning environment for ELLs in the state of California. This brief offers four critical building blocks that should be in place to effectively…

The characteristics of Canadian language immersion, bilingual education, and modified immersion programs are described, and their characteristics are compared with research findings on the characteristics of effective dual language programs. The information provided is intended to assist policymakers, educators, and community leaders in making…

Results of a National Research Council review of two major bilingual education studies are presented. The two studies were a national longitudinal study of the effectiveness of instruction of limited-English-proficient students and a study comparing three bilingual education program types (immersion, early exit, and late exit). The report contains…