The OkState academic calendar 2026-2027 serves as the primary operational blueprint for undergraduate, graduate, and professional students navigating the school year at Oklahoma State University.
Oklahoma State University operates on a traditional semester-based academic structure divided into Fall, Spring, and Summer terms. Primary terms feature 16 weeks of active instruction, concluding with dedicated pre-finals and final examination weeks.
To maintain full-time enrollment status for financial aid, scholarships, and campus housing, undergraduate students must carry a minimum of 12 to 18 credit hours per semester, with 15 credits per term remaining the benchmark to complete degree requirements within four years. O
SU also provides flexible 3-week pre-sessions, 4-week, 8-week, and full 12-week options across the Oklahoma State academic calendar summer 2027 terms for accelerated learning.
OkState Academic Calendar Fall 2026
- Fall pre-session is held from Monday, August 3, 2026, to Friday, August 14, 2026.
- The waitlist registration window changes to 12 hours on Monday, August 3, 2026.
- Instructors may begin submitting final grades for fall pre-session classes on Tuesday, August 11, 2026.
- The late initial enrollment fee is assessed if initial enrollment for the term occurs on or after Monday, August 17, 2026.
- Oklahoma State fall 2026 classes start on Monday, August 17, 2026. It is the first day of classes, and classwork begins.
- The 100% refund and nonrestrictive drop/add deadline is Monday, August 24, 2026.
- The waitlist registration window changes back to 48 hours on Tuesday, August 25, 2026.
- The partial refund and restrictive drop/add deadline is Friday, August 28, 2026.
- The Labor Day holiday is observed on Monday, September 7, 2026.
- Excessive absence alerts are due from instructors on Friday, September 11, 2026.
- Instructors may begin submitting six-week grades on Tuesday, September 22, 2026.
- Six-week grades are due from faculty by noon on Wednesday, September 30, 2026.
- Instructors may begin submitting final grades for classes that end within the first eight weeks on Tuesday, October 6, 2026.
- The deadline to submit a graduation application for the student’s name to appear in the fall commencement program is Monday, November 2, 2026.
- The W Drop/Withdrawal Deadline is Friday, November 6, 2026.
- Oklahoma State Fall Break 2026 with no classes scheduled is from Monday, November 23, 2026, to Wednesday, November 25, 2026. Oklahoma State Thanksgiving holiday is observed from Thursday, November 26, 2026, to Friday, November 27, 2026.
- The assigned W or F Drop/Withdrawal Deadline is Monday, November 30, 2026.
- Pre-Finals Week is held from Monday, November 30, 2026, to Friday, December 4, 2026.
- Instructors may begin submitting final grades for all fall classes on Tuesday, December 1, 2026.
- Classwork ends on Friday, December 4, 2026.
- Finals Week is held from Monday, December 7, 2026, to Friday, December 11, 2026.
- Graduate Commencement is on Friday, December 11, 2026.
- Undergraduate Commencement is on Saturday, December 12, 2026.
- Final grades are due electronically from faculty by noon on Wednesday, December 16, 2026.
- Final grades for all fall courses are available on official transcripts on Friday, December 18, 2026.
- The university holiday is observed from Thursday, December 24, 2026, to Friday, January 1, 2027.
For more on the OkState academic Calendar 2026-2027, visit the Oklahoma State University Registrar website.
