Class size is a continuing concern for administrators and teachers in the Mesa Public School system. Research examined findings that reductions in class size can increase student achievement as measured by common standardized tests, but only if size is reduced to something below 20 students per class. Class size also produced changes in…

Research on class size during the past decade indicates that dramatically smaller classes significantly improve student performance, do not encourage adoption of drastically different teaching methods, and lead to increased student-teacher contact. Other research suggests techniques for working with small groups and for reorganizing school…

This literature review focuses on the effects of class size on styles of teaching practice, and on pupil behavior and attainment. Most of the literature is from the United States. Evidence from previous reviews, correlational studies, meta-analyses, and experimental interventions are presented in this document. Much of the existing evidence is at…