In educating students national public school systems use different methods of grouping students by ability across schools. We consider four different school systems of student allocation at different stages of schooling and their educational implications. Our two-period model suggests that both...

In educating students national public school systems use different methods of grouping students by ability across schools. We consider four different school systems of student allocation at different stages of schooling and their educational implications. Our two-period model suggests that both...

How students should be allocated to schools to achieve educational goals is one of important debates on the construction of school systems. Promoters of comprehensive and selective school systems fail to reach a consensus on implications of each system for efficiency and equity of education....