About Swarthmore College. Swarthmore College in Swarthmore, PA reports an overall acceptance rate of 7.0%, an early-round acceptance rate of 18.0%, an SAT middle 50% of 1500–1550, a class size of 427, and a yield of 44.0% based on the most recent Common Data Set filings. Rigorous academics. Honors program with seminar-style learning. Engineering program rare for a LAC.