This study examines the influence of networks established among high schools and colleges. Focusing on the college choice process, the authors analyzed data from the 2006 admissions and financial aid records at eight private, four-year colleges representing nearly 18,000 students. Results show that high school feeder networks have an important influence on students' college choice. However, the impact of and access to such networks varies according to student characteristics. The conclusion discusses implications for research and institutional policy.