About Brown University. Brown University in Providence, RI reports an overall acceptance rate of 5.7%, an early-round acceptance rate of 17.9%, an SAT middle 50% of 1470–1550, a class size of 1,700, and a yield of 73.0% based on the most recent Common Data Set filings. Open curriculum. Reinstated testing requirement for C/O 2029. Recruited athletes account for ~1/3 of ED acceptances.