For primary and secondary schools, the evidence concerning the effects of streaming (grouping by overall ability) and mixed-ability grouping is inconclusive. Many have concluded that there is no difference between the two systems in their effect on academic progress, social adjustment, attitudes toward school, or friendship patterns. (RM)

This report represents one aspect of the development of a competency-based, interdisciplinary cooperative program called Project SAVE (Special And Vocational Education). It focuses on Phase I, which, using a taxonomic approach, analyzed prior research and development efforts directed at implementing competency-based personnel preparation programs.…