This study analyzes the impact of school structure on the friendship networks of students in desegregated schools in Israel. It highlights the importance of school features, such as the homeclass, to the formation of relationships among seventh through ninth grade students. A review of research literature on this topic is presented in the areas of…

Maintains that current research suggests that heterogeneous grouping is preferable. Reports on a study of a new mathematics curriculum using 600 students in 6 Dutch schools. Finds that students in heterogeneous classes taught with cooperative-learning techniques achieved more than students in traditional ability-grouped classrooms. (CFR)