Class size is one of the small number of variables in American K-12 education that are both thought to influence student learning and are subject to legislative action. Legislative mandates on maximum class size have been very popular at the state level. In recent decades, at least 24 states have mandated or incentivized class-size reduction…

This review surveys the current literature dealing with the effect of class size on both school finance and educational quality. The literature cited reflects a general agreement on the telling impact of class size on school budgets. However, the material gives little evidence of uniform agreement on the effect of class size on educational…

This report summarizes research on the effects of class size reduction, outlines lessons learned from large-scale class size reduction initiatives in California and Wisconsin, and draws out implications of the research and lessons for class size reduction in North Carolina. The evidence that smaller classes promote increased learning is strongest…