OU Online
Undergraduate
Fall 2026
Academic Calendars

1st 8-Week Term – August 24 to October 16 (Session A)

Event/Activity

Date

Application Deadline August 10
Classes Start August 24
Last Day to Add Without the Instructor’s Permission August 26
Last Day to Drop & Receive 100% Refund August 28
Labor Day Holiday September 7
Auto W Withdraw Deadline – Graduate Students TBD
Auto W Withdraw Deadline – Undergraduate Students TBD
W or F with Instructor Approval Withdraw Deadline – Graduate Students TBD
W or F with Dean Approval Withdraw Deadline October 16
Classes End October 16
Grades Due October 20

2nd 8-Week Term – October 19 to December 18 (Session B)

Event/Activity

Date

Application Deadline October 5
Classes Start October 19
Last Day to Add Without the Instructor’s Permission October 21
Last Day to Drop & Receive 100% Refund October 23
Auto W Withdraw Deadline – Graduate Students TBD
Auto W Withdraw Deadline – Undergraduate Students TBD
Thanksgiving Break November 25-29
W or F with Instructor Approval Withdraw Deadline – Graduate Students TBD
W or F with Dean Approval Withdraw Deadline December 18
Classes End December 18
Grades Due December 22