About University of Pennsylvania. University of Pennsylvania in Philadelphia, PA reports an overall acceptance rate of 5.4%, an early-round acceptance rate of 14.0%, an SAT middle 50% of 1490–1570, a class size of 2,400, and a yield of 68.0% based on the most recent Common Data Set filings. Will require standardized tests starting Class of 2030. Wharton business school is most competitive division.