education, one essential aspect is that “good” peers can potentially improve students’ academic achievement, career choices, or … student educational outcomes without exacerbating inequality therefore offer a promising basis for education policies. …

We survey the theoretical and empirical literature on peer effects in education. Theoretical models of peer effects are … empirical evidence on and channels of peer effects in education. …

. But the linear-in-means model masks considerable heterogeneity in the effects experienced by different types of students …. Using nonlinear models, one prevalent finding is larger peer effects in which high ability students benefit from the … presence of other high ability students. Studies that stratify students by race and ability often find that students are …