Although multiage grouping is part of a greater approach to change in education, classroom problems can result when the approach's rationale is not understood. Three precepts of vertical grouping concern heterogeneity of student groups, individualized materials and activities, and a caring learning community. Factors influencing successful…

Studies have criticized age-graded schools as creating a barrier to meeting the goals of equity and instructional excellence in schools. This handbook provides research on multiage classroom practices and argues that a multiage system better addresses and meets students' needs. Information is presented on the following topics: educational reform,…