Class size reduction (CSR) has emerged as a very popular, if not highly controversial, policy approach for reducing the achievement gap. This article reports on findings from an implementation study of class size reduction policy in Wisconsin entitled the Student Achievement Guarantee in Education (SAGE). Drawing on case studies of nine schools,…

The education reform movement has fostered renewed interest in class size. Tennessee and Indiana experiments with smaller class size in primary grades have yielded improved student behavior and achievement scores. Tennessee's new Student-Teacher Achievement Ratio Project (STAR) is a longitudinal study furthering research on small class benefits.…

A policy of reducing class size seems sensible, but might have costly, far-reaching implications for students, teachers, and public support for schools. The purpose of this research brief is to summarize 100 class size research studies from 1950 to 1985 and to regroup them into 18 areas of concern. The cluster analysis approach was designed to…