About Chapman University. Chapman University in Orange, CA reports an overall acceptance rate of 55.6%, an early-round acceptance rate of 62.0%, an SAT middle 50% of 1280–1410, a class size of 1,806, and a yield of 20.0% based on the most recent Common Data Set filings. Rising private university in Orange County with a top-ranked Dodge College of Film and Media Arts. Strong student satisfaction and experiential learning emphasis.