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…

Gender differences in mathematics have been of particular interest over the past decades. Research has shown a disparity in mathematical proficiency between boys and girls depending on the area of mathematics tested, the age and grade of the student, and the structure of the test question (i.e., how the question is posed). Although, much of the…

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…