About Thomas Jefferson University. Thomas Jefferson University in Philadelphia, PA reports an overall acceptance rate of 81.0%, an early-round acceptance rate of 81.0%, an SAT middle 50% of 1180–1320, a class size of 697, and a yield of 12.0% based on the most recent Common Data Set filings. Health sciences-focused university in Philadelphia formed from the 2017 merger of Thomas Jefferson University and Philadelphia University. Strong nursing, OT, PT, and design programs.