. 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 …

There is a perception among native born parents in the USA that the increasing number of immigrant students in schools … suggests negative though negligible peer effects of Limited English (LE) students and black students on the achievement of … other students, potential peer effects of students from Latin America in general have not been considered. In this paper, we …