A common criticisms of school choice programs is that, instead of improving student achievement, they would increase school segregation. Parents may use different criteria to choose a school, such as proximity, school quality, or the school's ethnic/racial composition. As a result, the system would be segregated based on the parent's preferences.…

The present study was conducted to analyze whether in-class friends influence each other's grades, and whether adolescents tend to select friends that are similar to them in terms of academic achievement. During 1 academic year, 542 eighth-grade students (M age = 13.3 years) reported on 3 different occasions on their in-class friendship networks.…