Results of this study indicate that programs of study which are homogeneous in terms of the abilities, interests, and college grades of their students can be identified, that these programs differ on at least two interpretable dimensions, and that grouping of curricula on these bases simultaneously groups them according to sex ratio. (Authors)

With new knowledge and tools at their disposal, educators at all levels are exploring alternatives to ability grouping in order to improve schooling for all students. Bringing about positive results requires the development and utilization of knowledge about how ability grouping affects schools, exploration of beliefs that support grouping, and…