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Achilles, C. M.; And Others – 1993
A 4-year longitudinal experiment conducted in Tennessee examined class-size effects on student achievement in kindergarten through grade 3. The Student Teacher Achievement Ratio (STAR) project included more than 7,000 students per year in 79 schools in 42 school systems. Class size categories were: small class (13-17 students), regular class…
Descriptors: Academic Achievement, Analysis of Variance, Class Size, Elementary School Students