Boys and girls sit together in most classrooms, but do they interact? Based on 40-year-old evidence, coeducational classes may not be coeducational but instead segregated by gender, which may undermine student success. Our goal is to answer this question in today's classrooms. We used longitudinal data to assess gender segregation in 26 classes in…

Boys and girls sit together in most classrooms, but do they interact? Based on forty-year-old evidence, coeducational classes may not be coeducational but instead be segregated by gender, which may undermine student success. Our goal is to answer this question in today's classrooms. We used longitudinal data to assess gender segregation in 26…

Contextual differences in the association between different forms of aggressive behavior and victimization were studied with a sample of 197 boys and 149 girls from mixed-sex schools and in 336 girls from all-girl schools (M = 10.21 years of age) in two cities in Colombia. Results showed that boys generally engage in more physical than relational…

Gender segregation in the classroom is advocated as academically beneficial, particularly for girls. However, the social impact for children has received little attention. The present study compared children's peer relations following the transition from mixed-sex fourth-grade classrooms to same-sex fifth-grade classrooms, and beyond into same-sex…