Oklahoma State University-Main Campus
Stillwater, Oklahoma

About
Oklahoma State University (informally Oklahoma State or OSU) is a public land-grant research university in Stillwater, Oklahoma, United States. The university was established in 1890 under the legislation of the Morrill Act. Originally known as Oklahoma Agricultural and Mechanical College (Oklahoma A&M), the Oklahoma State University campus in Stillwater is the flagship institution of the Oklahoma State University System, which enrolls more than 34,000 students across its five institutions with an annual budget of $1.89 billion for fiscal year 2026. As of Fall 2024, 27,241 students are enrolled at the university. OSU is classified among "R1: Doctoral Universities – Very high research activity".
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Cost per year
- Tuition and fees (out of state)
- US$25,964
- Estimated total for international students
- US$44,135
- Tuition and fees (in state, for comparison)
- US$10,444
- Total cost for in-state students
- US$28,615
International students at public universities pay the out-of-state rate. The estimated total adds housing, food and books to that tuition; it is derived from Scorecard figures, so check the university's own cost page.
Students
- Undergraduates
- 21,773
- Graduate students
- 4,914
- International undergraduates
- 1%
- Students per teacher
- 19 to 1
Admissions
- Admission rate
- 75%
- SAT
- Reading and writing 530–630 · Maths 510–620
- ACT
- 20–27
Test scores show the middle 50% of admitted students.
Outcomes
- Graduation rate
- 69%
- Median earnings 10 years after starting
- US$60,713
Earnings are for students who received US federal aid, so they may not reflect international graduates.
Programmes (304)
Bachelor's degrees86 subjects
Master's degrees83 subjects
Doctoral degrees48 subjects
Professional degrees (MD, JD and similar)1 subject
Undergraduate certificates34 subjects
Graduate certificates52 subjects
Subjects and degree levels reported to the US Department of Education. See the university's course catalogue for course-by-course details.