About Johns Hopkins University. Johns Hopkins University in Baltimore, MD reports an overall acceptance rate of 5.1%, an early-round acceptance rate of 10.5%, an SAT middle 50% of 1530–1560, a class size of 1,300, and a yield of 51.0% based on the most recent Common Data Set filings. Offers ED I and ED II. Combined ED acceptance rate ~10.5%. Top pre-med reputation.