Gender peer effects are potentially important for optimally organizing schools and neighborhoods. In this paper, we examine how the gender of classmates and neighbors affects a variety of high school outcomes and choice of university major. Given that students are assigned to schools based on...

How much does your neighbor impact your test scores and career? In this paper, we examine how an observable characteristic of same-age neighbors - their gender - affects a variety of high school and university outcomes. We exploit randomness in the gender composition of local cohorts at birth...

Recent research has shown that females make classrooms more conducive to effective learning. We identify the effect of a higher share of female classmates on students' disruptive behavior, engagement, test scores, and major choices in disadvantaged and non-disadvantaged schools. We exploit the...