A Mandarin/English two-way immersion elementary program is described from its inception and implementation through the fifth grade, the culminating year of the program. All students in all grades were assessed on their oral/listening, reading, and writing performance in Mandarin using program-created assessment measures. Fifth-grade students also…

Studies indicate that group work accompanied by the cooperative learning elements of individual accountability and structured independence among group members enhances student achievement. This article illustrates the implementation of a specific type of cooperative learning project called group investigation. The project is based on Slavin's…