Educational research has shown that individual-level background characteristics, such as parental socio-economic status and academic ability, influence college going behavior. This study tests for the existence of aggregate-level high school effects on college enrollment, persistence and degree attainment. It links institutional data on students enrolling within a year after graduation from in-state high schools with state data on high schools' performance and populations. Three high school aggregate-level factors were found to affect enrollment and persistence. Specifically, the high schools' percent of SAT takers has a concave-shape effect on enrollment, retention and graduation. Additionally, students coming from schools with a higher percent of those receiving free lunch are less likely to persist, and students coming from schools located within a 60 mile radius are more likely to matriculate and to persist to the second year. These results suggest that aggregate-level high school characteristics should be accounted for in enrollment management.