, of the entering freshman at the main campus in Storrs, 54% ranked in the top tenth of their high school class and 89% in the top quarter. Approximately 50,000 prospective students and their families tour the main campus in Storrs annually. UConn's retention rate is among the best for public universities in the nation, with 93% of students returning for their year. UConn ranks 3rd out of 58 public research universities on basis of graduation time, with the average time to graduate being 4.2 years among those who graduate within 6 years.