Oklahoma State University-Main Campus
Average Cost Per Year
Student To Faculty Ratio
About Our College
Oklahoma State University–Stillwater (Oklahoma State University, Oklahoma State, OSU) is a public land-grant research university in Stillwater, Oklahoma. OSU was founded in 1890 under the Morrill Act. Originally known as Oklahoma Agricultural and Mechanical College (Oklahoma A&M), it is the flagship institution of the Oklahoma State University System that holds more than 35,000 students across its five campuses with an annual budget of $1.5 billion. The main campus enrollment for the fall 2019 semester was 24,071, with 20,024 undergraduates and 4,017 graduate students. OSU is classified among "R1: Doctoral Universities – Very high research activity". According to the National Science Foundation, OSU spent $198.8 million on research and development in 2021.