A submission time of 11:55pm applies to all registration deadlines, with the exception of Change of Grading Basis. 

Accessible Academic Calendar Summer 2025

View Faculty Grading Deadlines

Session 6 - 1 week
Term Dates Jun 16 - Jun 20
Registration Open Apr 14 at 8am
Classes Begin Jun 16
Last Day To:
Add a Course Online TBD
Drop a Course
(100% Tuition Refund)
TBD
Withdraw from a Course
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Jun 18 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Jun 20
Grades Available Online Sep 10

Session 3 - 8 Weeks
Term Dates Jun 23 - Aug 15
Registration Open Apr 14 at 8am
Classes Begin Jun 23
Last Day To:
Add a Course Online TBD
Drop a Course
(100% Tuition Refund)
TBD
Withdraw from a Course
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Jul 30 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Aug 15
Grades Available Online Sep 10

Session 1 - 11 Weeks
Term Dates Jun 23 - Sep 5
Registration Open Apr 14 at 8am
Classes Begin Jun 23
Last Day To:  
Add a Course Online TBD
Drop a Course 
(100% Tuition Refund)
TBD
Withdraw from a Course 
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Aug 8 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Sep 5
Grades Available Online Sep 10

 

Session 4 - 2nd 4 Weeks
Term Dates Jul 21 - Aug 15
Registration Open Apr 14 at 8am
Classes Begin Jul 21
Last Day To:  
Add a Course Online TBD
Drop a Course 
(100% Tuition Refund)
TBD
Withdraw from a Course 
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Aug 7 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Aug 15
Grades Available Online Sep 10

 

Session 2 - 1st 4 Weeks
Term Dates Jun 23 - Jul 18
Registration Open Apr 14 at 8am
Classes Begin Jun 23
Last Day To:  
Add a Course Online TBD
Drop a Course 
(100% Tuition Refund)
TBD
Withdraw from a Course 
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Jul 10 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Jul 18
Grades Available Online Sep 10

 

Session 5 - 3 Weeks
Term Dates Aug 18 - Sep 5
Registration Open Apr 14 at 8am
Classes Begin Aug 18
Last Day To:  
Add a Course Online TBD
Drop a Course 
(100% Tuition Refund)
TBD
Withdraw from a Course 
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Sep 2 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Sep 5
Grades Available Online Sep 10
Super Term
Term Dates Jun 16 - Sep 5
Registration Open Apr 14 at 8am
Classes Begin Jun 16
Last Day To:  
Add a Course Online TBD
Drop a Course 
(100% Tuition Refund)
TBD
Withdraw from a Course 
(50% Tuition Refund)
TBD
Change the Grading Basis of a Course Jul 28 by noon
Withdraw from a Course TBD
No Withdrawal Survey Withdraw from Term
Classes End Sep 5
Grades Available Online Sep 10

OSU Four-Year Academic Calendar

Summer 2023 Calendar