Streaming in secondary schools is not beneficial for improving student outcomes of education with vast amounts of educational research indicating that it does not improve academic results and increases inequity. Yet teachers often prefer working in streamed classes, and research shows that teachers mediate the effects of streaming on students.…

Effects of student grouping on academic achievement were examined in research among high school students in Israeli kibbutz schools, and in a nationwide sample of middle school students in Israel. Data analysis was based on a model developed from research findings in the United States, Sweden, Great Britain, and Israel. The treatment variable was…

This study represents classroom observations of a secondary school which employs ability grouping for grades seven through twelve. The effects of ability grouping on the interaction in the classroom was measured with use of Flanders Interaction Analysis. Two history teachers with identical grades and phases were used in this study which began in…