About Babson College. Babson College in Wellesley, MA reports an overall acceptance rate of 17.1%, an early-round acceptance rate of 27.5%, an SAT middle 50% of 1410–1500, a class size of 625, and a yield of 39.0% based on the most recent Common Data Set filings. #1 in entrepreneurship for 30+ consecutive years. All students take the signature Foundations of Management and Entrepreneurship course where they create and run a real business.