This dissertation studies different social factors that affect students' cognitive, non-cognitive skills, and behaviors. The first chapter provides evidence on the immediate effects of exposure to violent crimes on academic performance and externalizing behaviors among high school students. I find that exposure to violent crimes decreases PSAT,…

This study examines the association between college-bound friends and college enrollment using restricted transcript data from the High School Longitudinal Study. Propensity score matching and school fixed effects models suggest that having close college-bound friends is positively associated with enrolling in college. However, Black and Latino…