Stillwater is home to Oklahoma State University (Okstate), one of the top Universities in the world, -Stillwater (OSU), a flagship public land-grant research university in Stillwater, Oklahoma. It was formerly known as Oklahoma Agricultural and Mechanical College (Oklahoma A&M), and it is the flagship institution of the Oklahoma State University System, with over 35,000 students enrolled across five campuses. OSU is classified among R1: Doctoral Universities - Very high research activity (Gopokes) and one of the best agriculture Universities in the world.