academic performance and their labor market income. We leverage the fact that the composition of high school classmates (peers …), within school-cohort and teacher-group, was not chosen by the students and it was as good as random. We find that male … students graduating from classes with at least 80% of male peers were more likely to choose "prevalently male" (PM) college …

-born peers affect the likelihood American college students graduate with a STEM major. Using administrative student records from … peers reduces the likelihood native-born students graduate with STEM majors by 3 percentage points – equivalent to 3 ….7 native students displaced for 9 additional foreign students in an average course. STEM displacement is offset by an increased …

admission threshold have 52% higher yearly income with respect to just-below-threshold students. This premium is equivalent to a … income premium. I find that students with a just-above-threshold score are less likely to be college dropouts, take six fewer … administrative records about high school, college admission, college attendance and tax returns. Students with score just above the …

activities and financial incentives offered to disadvantaged students beginning in Grade 9. High school administrative records … are matched to income tax records to follow individuals up to the age of 28, even when they leave the household or …