The purpose of the study was to examine if there was a significant difference between first-grade English Learners (EL) who constitute a majority (greater than 50%) of the English language mainstream classroom (homogeneous grouping) and first-grade EL who constitute a minority (less than 50%) of the English language mainstream classrooms…

Cognitive and behavioral measures were administered to heterogeneous and homogeneous Mexican-American and Anglo groups at the beginning and end of the prekindergarten year. The results suggest that the learning environments of both homogeneous and heterogeneous groups have a facilitating influence. (SB)

There is little definitive research to support coeducational grouping as the optimal grouping pattern for first grade boys and girls. (Authors)

Effects of heterogeneous and homogeneous grouping on the psychological functioning of Mexican American preschool children from economically disadvantaged families were investigated in a pilot project at San Jose State College Child Laboratory. Three experimental groups were composed of (1) 9 Mexican American children from low-income families and 9…