OU Academic Calendar 2025‑2026: Important Dates & Deadlines

The OU Academic Calendar 2025‑2026 is your essential roadmap for every key date and deadline from OU enrollment and registration windows, tuition payment due dates, and course add/drop periods to campus holidays and final exam schedules.

The University of Oklahoma academic calendar helps Sooners lock in OU term dates, navigate the OU exam schedule, track OU registration deadlines, and never miss the last day to withdraw without a “W”, ensuring seamless academic and financial planning at OU.

OU operates on a traditional semester system with flexible summer sessions:

• Fall Semester: A full 15‑week term (14 instructional weeks + one finals week), kicking off in late August and wrapping up in early December.
• Spring Semester: Mirrors Fall with 15 weeks of instruction plus finals, beginning after Martin Luther King Jr. Day and concluding in early May.
• Summer Sessions: Choose from Session I (6 weeks), Full Summer Session (12 weeks), or Session II (6 weeks).

Keep the OU Academic Calendar 2025‑2026 front and center so you can focus on thriving both in the classroom and across the Norman campus.

OU Academic Calendar Fall 2025

1. Advance registration occurs from Monday, March 31, 2025, to Friday, April 25, 2025.
2. The final day to file a graduation application is Thursday, May 1, 2025.
3. The final day to submit a master’s degree program of study to the Graduate College is Monday, April 7, 2025.
4. The final day to submit the master’s thesis topic and committee membership form to the Graduate College is Monday, April 7, 2025.
5. Continuing registration and add/drop activities take place from Monday, April 28, 2025, to Sunday, August 24, 2025.
6. The last day to register before classes begin is Sunday, August 24, 2025.
7. The cancellation deadline, resulting in no record of a grade on the transcript, is Sunday, August 24, 2025.
8. OU Fall classes begin on Monday, August 25, 2025. It is the first day of classes.
9. The first day for a late registration fee of $20.00 is Monday, August 25, 2025.
10. A 100% reduction of charges applies to complete withdrawals from Monday, August 25, 2025, to Monday, September 8, 2025.
11. A 100% reduction of charges applies to dropped courses from Monday, August 25, 2025, to Monday, September 8, 2025.
12. Dropped courses will have no record of a grade on the transcript from Monday, August 25, 2025, to Monday, September 8, 2025.
13. Graduate students receive an automatic grade of W for complete withdrawals from Monday, August 25, 2025, to Friday, October 3, 2025.
14. Undergraduate students receive a grade of W for complete withdrawals from Monday, August 25, 2025, to Friday, December 12, 2025.
15. The final day to register or add a class without instructor permission is Friday, August 29, 2025.
16. The university observes Labor Day and is closed on Monday, September 1, 2025.
17. The final day to apply for the doctoral general examination is Friday, September 5, 2025.
18. The final day for thesis/doctoral students to submit a request for a degree check is Friday, September 5, 2025.
19. No reduction of charges applies to dropped courses after Monday, September 8, 2025.
20. The final day for undergraduate students to change a course from audit to credit is Monday, September 8, 2025.
21. The final day for undergraduate students to change a course from credit to audit is Monday, September 8, 2025.
22. The final day for graduate students to change a course from audit to credit is Monday, September 8, 2025.
23. Graduate students receive an automatic grade of W for dropped courses from Tuesday, September 9, 2025, to Friday, October 3, 2025.
24. Undergraduate students receive an automatic grade of W for dropped courses from Tuesday, September 9, 2025, to Friday, November 14, 2025.
25. Midterm grades are due from Monday, October 6, 2025, to Tuesday, October 21, 2025.
26. The final day to submit the Graduate Certificate Program Report Form is Monday, October 6, 2025.
27. Graduate students receive a grade of W or F for dropped courses (assigned by the instructor) from Monday, October 6, 2025, to Friday, October 31, 2025.
28. Graduate students receive a grade of W or F for complete withdrawals (assigned by the instructor) from Monday, October 6, 2025, to Friday, December 12, 2025.
29. Advance registration for the next term(s) begins on Monday, October 20, 2025.
30. The final day for graduate students to change a course from credit to audit is Friday, October 31, 2025.
31. Graduate students may petition the Graduate College to drop courses from Monday, November 3, 2025, to Friday, December 12, 2025.
32. Undergraduate students may petition their College Dean to drop courses from Monday, November 17, 2025, to Friday, December 12, 2025.
33. The final day to submit the Report of Reading Copy Submission and Request for Authority to Defend for thesis/dissertation is Friday, November 21, 2025.
34. OU Thanksgiving Break 2025 runs from Wednesday, November 26, 2025, to Sunday, November 30, 2025.
35. The final exam preparation period is from Sunday, December 7, 2025, to Sunday, December 14, 2025.
36. The final day for thesis/dissertation defense is Friday, December 5, 2025.
37. The final day to complete the doctoral general examination is Friday, December 12, 2025.
38. The final day for non-thesis examinations is Friday, December 12, 2025.
39. The final day of full-term fall classes is Friday, December 12, 2025.
40. The final day to submit approval for thesis/dissertation submission to SHAREOK is Friday, December 12, 2025.
41. The final day to submit the thesis/dissertation to SHAREOK is Friday, December 12, 2025.
42. Final examinations are held from Monday, December 15, 2025, to Friday, December 19, 2025.
43. The final day to complete work needed for graduation is Friday, December 19, 2025.
44. The Winter Session, part of the fall term, begins on Monday, December 22, 2025.
45. Final grades are due from faculty on Tuesday, December 23, 2025.
46. The last day for a refund on Winter Session dropped courses is Tuesday, December 23, 2025.
47. Winter Session observes holidays on Thursday, December 25, 2025, and Thursday, January 1, 2026.
48. The final day to submit work needed for graduation (e.g., transfer work) to Academic Records is Friday, January 9, 2026.
49. The Winter Session, part of the fall term, ends on Friday, January 16, 2026.

OU Academic Calendar Spring 2026

1. Advance Registration runs from Monday, October 20, 2025, to Thursday, November 14, 2025.
2. The final day to file a graduation application is Monday, December 1, 2025.
3. The final day to submit a Master’s Degree Program of Study to the Graduate College is Monday, October 6, 2025.
4. The final day to submit a Master’s Theses Topic and Committee Membership form to the Graduate College is Monday, October 6, 2025.
5. Continuing Registration and Add/Drop runs from Monday, November 17, 2025, to Monday, January 19, 2026.
6. The last day to register before classes begin is Monday, January 19, 2026.
7. The cancellation deadline (no record of grade on transcript) is Monday, January 19, 2026.
8. Martin Luther King Day Holiday occurs on Monday, January 19, 2026 (no classes).
9. Spring 2026 classes begin on Tuesday, January 20, 2026.
10. The first day for late registration with a fee of $20.00 is Tuesday, January 20, 2026.
11. A 100% reduction of charges applies to complete withdrawals from Tuesday, January 20, 2026, to Monday, February 2, 2026.
12. A 100% reduction of charges applies to dropped courses from Tuesday, January 20, 2026, to Monday, February 2, 2026.
13. No record of grade appears on the transcript for dropped courses from Tuesday, January 20, 2026, to Monday, February 2, 2026.
14. An automatic grade of W appears on complete withdrawals for graduate students from Tuesday, January 20, 2026, to Monday, February 27, 2026.
15. A grade of W appears on complete withdrawals for undergraduate students from Tuesday, January 20, 2026, to Saturday, May 8, 2026.
16. The final day to register or add a class without permission from an instructor is Friday, January 23, 2026.
17. The final day to apply for a Doctoral General Examination is Friday, January 30, 2026.
18. The final day to submit a request for Degree Check (for thesis and doctoral students only) is Friday, January 30, 2026.
19. No reduction of charges applies to dropped courses after Monday, February 2, 2026.
20. The final day to change from Audit to Credit for undergraduate students is Monday, February 2, 2026.
21. The final day to change from Credit to Audit for undergraduate students is Monday, February 2, 2026.
22. The final day to change from Audit to Credit for graduate students is Monday, February 2, 2026.
23. An automatic grade of W appears for dropped courses for graduate students from Tuesday, February 3, 2026, to Monday, February 27, 2026.
24. An automatic grade of W appears for dropped courses for undergraduate students from Tuesday, February 3, 2026, to Thursday, April 17, 2026.
25. Midterm Grades are due and viewable from Monday, March 2, 2026, to Monday, March 17, 2026.
26. A grade of W or F appears for dropped courses for graduate students from Monday, March 2, 2026, to Tuesday, April 3, 2026.
27. A grade of W or F appears on complete withdrawals for graduate students (to be assigned by the instructor) from Monday, March 2, 2026, to Saturday, May 8, 2026.
28. The final day to submit a Graduate Certificate Program Report to the Graduate College is Monday, March 2, 2026.
29. OU Spring Break 2026 occurs from Monday, March 16, 2026, to Friday, March 20, 2026 (no classes).
30. Advance Registration for the next term(s) begins on Monday, March 30, 2026.
31. The final day to change from Credit to Audit for graduate students is Tuesday, April 3, 2026.
32. The period to petition the Graduate College to drop course(s) for graduate students runs from Wednesday, April 6, 2026, to Saturday, May 8, 2026.
33. The period to petition the College Dean to drop course(s) for undergraduate students runs from Tuesday, April 20, 2026, to Saturday, May 8, 2026.
34. The final day to submit a Report of Reading Copy Submission and Request for Authority to Defend (Thesis/Dissertation) is Friday, April 24, 2026.
35. The Final Exam Preparation Period occurs from Monday, May 3, 2026, to Monday, May 10, 2026.
36. The final day for Thesis/Dissertation Defense is Friday, May 1, 2026.
37. The final day to complete a Doctoral General Examination is Saturday, May 8, 2026.
38. The final day for the Non-Thesis Exam is Saturday, May 8, 2026.
39. The final day of full-term Spring classes is Saturday, May 8, 2026.
40. The final day to submit approval for Thesis/Dissertation Submission to SHAREOK is Saturday, May 8, 2026.
41. The final day to submit a Thesis/Dissertation to SHAREOK is Saturday, May 8, 2026.
42. Final Examinations occur from Monday, May 11, 2026, to Friday, May 15, 2026.
43. The final day to complete work needed for graduation is Saturday, May 15, 2026.
44. Commencement Weekend occurs from Saturday, May 15, 2026, to Monday, May 17, 2026.
45. Final grades are due on Wednesday, May 19, 2026.
46. The final day to submit work needed (e.g., transfer work) for graduation to Academic Records is Tuesday, May 26, 2026.
47. Memorial Day Holiday occurs on Monday, May 25, 2026 (no classes).

For more on the OU Academic Calendar 2025-2026, visit the University of Oklahoma Calendar website.