About Louisiana State University. Louisiana State University in Baton Rouge, LA reports an overall acceptance rate of 73.0%, an early-round acceptance rate of 73.0%, an SAT middle 50% of 1180–1320, a class size of 7,912, and a yield of 23.0% based on the most recent Common Data Set filings. Louisiana's flagship with legendary football culture (Death Valley stadium). Strong petroleum engineering, agriculture, and veterinary medicine programs. Mike the Tiger lives on campus.