Since there has been no clear overview of educational practices that benefit high-ability students in mixed-ability classrooms in grades one to six, this review aims to provide insight into the effects of educational practices on the cognitive and affective-motivational learning outcomes of high-ability students. In order to identify these…

Average-ability students often do not take full advantage of learning in mixed-ability groups because they hardly engage in the group interaction. This study examined whether structuring collaboration by group roles and ground rules for helping behavior might help overcome this participatory inequality. In a plant biology course, heterogeneously…

Evidence suggests that tracking of students on the secondary level may not only be discriminatory, but also counterproductive to the personal, educational, and economic potential of all students. The English and Social Studies department of Oak Hill High School, in Wales, Maine, developed an intervention program concerning heterogeneous grouping…

Effects of student grouping on academic achievement were examined in research among high school students in Israeli kibbutz schools, and in a nationwide sample of middle school students in Israel. Data analysis was based on a model developed from research findings in the United States, Sweden, Great Britain, and Israel. The treatment variable was…

Systematic changes in their classroom environments occur when students make the transition from upper-elementary to junior high school. Students typically experience a transition from a self-contained classroom to departmentalized instruction in junior high school; they often also experience a transition from heterogeneous to homogeneous,…