2025

Spring Term
Term Dates Mar 31 – Jun 13
Priority Registration Phase 1
(Waitlist Not Available)		 Feb 24 – Mar 5
Priority Registration Phase 2
(Waitlist Available)		 Mar 6 – Apr 6
Classes Begin Mar 31
Last Day To:
Add a Course Online
without Department Approval 		Apr 6
Drop a Course
(100% Tuition Refund) 		Apr 6
Audit a Course Apr 7 - Apr 11 by 5pm
Add a Course Online
with Department Approval		 Apr 13
Withdraw from a Course
(50% Tuition Refund)		 Apr 20
Change the Grading
Basis of a Course 		May 16 by noon
Withdraw from a Course
(No Refunds Available) 		May 16
/Withdraw from Term Jun 6
Apply for Graduation
(Graduate Students Only)		 Jun 6
Classes End Jun 6
Finals Week Jun 9 - Jun 13
Spring Term Ends Jun 13
Grades Available Online Jun 18

2026

Spring Term
Term Dates Mar 30 – Jun 12
Priority Registration Opens Feb 23
Classes Begin Mar 30
Last Day To:
Add a Course Online
without Department Approval 		Apr 5
Drop a Course
(100% Tuition Refund) 		Apr 5
Audit a Course Apr 6 - Apr 10 by 5pm
Add a Course Online
with Department Approval		 Apr 12
Withdraw from a Course
(50% Tuition Refund)		 Apr 19
Change the Grading
Basis of a Course 		May 15 by noon
Withdraw from a Course
(No Refunds Available) 		May 15
Withdraw from Term Jun 5
Apply for Graduation
(Graduate Students Only)		 Jun 5
Classes End Jun 5
Finals Week Jun 8 - Jun 12
Spring Term Ends Jun 12
Grades Available Online Jun 17
Non-traditional Courses

OSU offers non-traditional courses whose learning experiences do not follow the regular (full) 11-week term.

View deadlines for non-traditional courses. Access the Accessible Spring Non-traditional Academic Calendar. 

  • Term Extension: 2-week pre-term courses attached to a regular 11-week term, but occur between regular term dates
  • Term 5A - 1st 5 Weeks: Courses taught only in the 1st 5 weeks of the regular term
  • Term 5B - 2nd 5 Weeks: Courses taught only in the 2nd 5 weeks of the regular term
  • Super Term: Courses spanning a regular term length, plus the approved extension for that term (12 weeks)

A submission time of 11:55 p.m. PT applies to all registration deadlines, unless stated otherwise.

View Faculty Grading Deadlines

Additional Academic Calendar Visuals
  1. Accessible Academic Calendar
  2. A Visualization of all the sessions in an academic year and how they intersect can be found below:
  3. OSU's 4-year calendar defines the start and end dates of each term for the next four years.
  4. Subscribe to the Academic Calendar through Outlook or Gmail.
Student Billing Deadlines

Visit the Student Billing page for important dates and deadlines. For a printable calendar, go to the Student Account Services Calendar section on the Student Billing page.