. 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 …

assignment of students to classrooms and find positive peer effects on test scores. With very rich data on seventeen potential …

assignment of students to classrooms and find positive peer effects on test scores. With rich data on nineteen potential …

beneficial to a student’s grade …