About Gettysburg College. Gettysburg College in Gettysburg, PA reports an overall acceptance rate of 39.0%, an early-round acceptance rate of 60.0%, an SAT middle 50% of 1270–1460, a class size of 508, and a yield of 16.0% based on the most recent Common Data Set filings. Historic liberal arts college on the site of the Civil War's turning point. Known for strong alumni network, engaged learning, and high percentage of students doing undergraduate research.