Academic Calendar
Students who wish to enroll in a short course must enroll before the start of the course. Proportionate drop and withdrawal dates apply to block and short courses. Consult the Office of the Registrar (Stillwater) or Enrollment Services (Tulsa) for drop and withdrawal deadlines and required fees. You may also view this information at the OSU Office of the Registrar website.
Spring 2020
Jan. 13-May 1
| Winter intersession (four weeks) | Dec. 16, 2019-Jan. 10, 2020 |
| University holidays | Dec. 23, 2019-Jan. 1, 2020 |
| Instructors may begin submitting final grades for spring pre-session classes | Tuesday, Jan. 7 |
| Final enrollment date - $100 late fee assessed after this date | Friday, Jan. 10 |
| Class work begins | Monday, Jan. 13 |
| University holiday | Monday, Jan. 20 |
| 100% refund, nonrestrictive drop/add deadline | Tuesday, Jan. 21 |
| Partial refund, restrictive drop/add deadline | Friday, Jan. 24 |
| Instructors may begin submitting six week grades | Tuesday, Feb. 18 |
| Six week grades due by noon from faculty | Wednesday, Feb. 26 (noon) |
| Instructors may begin submitting final grades for first eight week classes | Tuesday, March 3 |
| Students' Spring Break (No classes) | Monday-Friday March 16-20 |
| Deadline to file graduation application (for name to appear in spring graduation program) | Wednesday, April 1 |
| W Drop/Withdraw Deadline | Friday, April 10 |
| W/F Full Withdrawal Deadline | Friday, April 24 |
| Pre-Finals Week | Monday-Friday, April 27-May 1 |
| Instructors may begin submitting final grades for all spring classes | Tuesday, April 28 |
| Class work ends | Friday, May 1 |
| Finals Week | Monday-Friday, May 4-8 |
| OSU Stillwater Commencement Ceremonies | Friday-Saturday, May 8-9 |
| OSU-Tulsa Graduation | Monday, May 11 |
| Final grades due by noon electronically from faculty | Wednesday, May 13 (noon) |
-Proportionate drop** and withdrawal* dates apply to block, short term and late starting classes.
-A University holiday falls within this session. If the scheduled classes do not meet, additional class time or assignments may make up the difference.
Summer 2020
Summer Pre-Session May 18 - June 5
| Pre-Session (Three weeks, part of term 4) | May 18 - June 5 |
| Final enrollment date - $100 late fee assessed after this date | Friday, May 15 |
| Class work begins | Monday, May 18 |
| 100% refund, nonrestrictive drop/add deadline | Monday, May 18 |
| Partial refund, restrictive drop/add deadline | Tuesday, May 19 |
| University Holiday | Monday, May 25 |
| W Drop/Withdraw Deadline | Monday, June 1 |
| Instructors may begin submitting final grades | Tuesday, June 2 |
| Assigned W or F Withdrawal Deadline | Wednesday, June 3 |
| Class work ends | Friday June, 5 |
| Final grades due by noon electronically from faculty | Wednesday, August 5 |
-A University holiday falls within this session. If the scheduled classes do not meet, additional class time or assignments may make up the difference.
Main Summer Term June 8 - July 31
| Final enrollment date - $100 late fee assessed after this date | Friday, June 5 |
| Class work begins | Monday, June 8 |
| 100% refund, nonrestrictive drop/add deadline | Wednesday, June 10 |
| Partial refund, restrictive drop/add deadline | Friday, June 12 |
| University Holiday | Friday, July 3 |
| W Drop/Withdraw Deadline | Friday, July 17 |
| Assigned W or F Withdraw Deadline | Friday, July 24 |
| Instructors may begin submitting final grades | Tuesday, July 28 |
| Class work ends | Friday, July 31 |
| Final grades due by noon electronically from faculty | Wednesday, August 5 |
-A University holiday falls within this session. If the scheduled classes do not meet, additional class time or assignments may make up the difference.
Drop/Add and Withdraw Deadline Details
100% Refund, Nonrestrictive Drop/Add Deadline
- add a course (nonrestrictive)
- drop a course with 100% refund and no grade
50% Refund, Restrictive Drop/Add Deadline
"W" Drop/Withdraw Deadline
"W/F" Withdraw Deadline
- add a course (requires instructor and advisor signature)
- drop a course with 50% refund and grade of "W" (requires advisor signature)
- drop a course with automatic grade of "W" (requires advisor signature)
- withdraw from all classes with automatic grades of "W" (requires completed Withdrawal Form)
- withdraw from all courses with assigned grades of "W" or "F" (requires completed Withdrawal Form and Supplemental Withdrawal Form)