About Northeastern University. Northeastern University in Boston, MA reports an overall acceptance rate of 5.2%, an early-round acceptance rate of 40.0%, an SAT middle 50% of 1450–1520, a class size of 2,759, and a yield of 53.0% based on the most recent Common Data Set filings. Co-op program (work experience integrated into degree). Very low acceptance rate driven by application volume.