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.…

Research indicates that the relationship between class size and instructional effectiveness depends on a multitude of related variables, such as age level of students, subject matter taught, and instructional methods used. Recent statistical syntheses of this research reveal that the instructional benefits of smaller classes are most significant…