About Indiana University Bloomington. Indiana University Bloomington in Bloomington, IN reports an overall acceptance rate of 75.9%, an early-round acceptance rate of 85.8%, an SAT middle 50% of 1180–1390, a class size of 9,600, and a yield of 24.0% based on the most recent Common Data Set filings. Flagship Big Ten university known for Kelley School of Business, Jacobs School of Music, and strong liberal arts. 45% of admits applied test-optional.