Although a rich tradition of mainly U.S. and U.K. research focuses on the nature and effects of tracking students within schools, little research has investigated the importance of tracking students in the same or in separate schools. The authors used data from a unique, representative survey in Flanders (Belgium) to examine how students' study…

Two studies explored the experience and performance of students at Williams College in three-person groups that were homogeneous or heterogeneous in rated academic ability. In accord with hypotheses from Festinger's (1954) social comparison theory, students in academically homogeneous groups had more positive experiences and performed better on…