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…

According to the World Economic Forum, the occupational gender gap with men dominating well-remunerated STEM careers is a key factor in the gender pay gap. However, the problem of underrepresentation of women in STEM fields is mitigated or reversed in some Eastern European and Islamic countries. This disparity suggests that cultural factors are at…