About Iowa State University. Iowa State University in Ames, IA reports an overall acceptance rate of 88.0%, an SAT middle 50% of 1130–1350, a class size of 5,728, and a yield of 29.0% based on the most recent Common Data Set filings. Iowa STEM-focused land-grant university with rolling admissions, no EA/ED. Strong engineering, agriculture, and veterinary medicine programs.