Findings from standardized test measures of math and reading indicated that students in
small classes benefited significantly among all types of schools when compared to regular classes
or regular classes with aides. Regular classes with aides showed some increased achievement results when compared to regular classes, but these results were not significant. The most striking
findings were that gains made in small classes in kindergarten and first grade were maintained
over the four years of the study, that low socioeconomic status (SES) student gains outpaced
high SES student gains,
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