If you are in search of the Oregon State Academic Calendar for 2023-2024, search no more because all the academic activities and non-academic activities for the school has been provided for you on this page.
Educational institutions can engage and communicate with all students and parents enrolled in the institution’s various courses and batches through the use of academic calendars. Professors and administrators commonly employ academic calendars as a communication tool to schedule academic and organizational events. As the institution’s student body continues to grow year after year, adopting and adhering to the correct academic schedule becomes increasingly crucial.
While an event creation and calendar management system with a list of events linked to different dates may appear straightforward, the way an academic calendar is structured has a significant impact on the academic and organizational objectives of the educational institution. It carries various implications in both schools and colleges.
Oregon State Academic Calendar
January 2026
Month/Day
Day of Week
Name
New Year’s Day
Winter Extension Classes End
Last Day to Drop a Winter Super Term Course (100% Tuition Refund)
Winter Term 5A – 1st 5 Weeks Classes Begin
Winter Term Classes Begin
Last Day to Drop a Winter Term 5A – 1st 5 Weeks Course (100% Tuition Refund)
Last Day to Add a Winter Super Term Course Online without Dept. Approval
Last Day to Add a Winter Term 5A – 1st 5 Weeks Course Online without Dept. Approval
Last Day to Add a Winter Course Online without Dept. Approval
Last Day to Drop a Winter Course (100% Tuition Refund)
Last Day to Add a Winter Term Course Online with Dept. Approval
Martin Luther King Jr. Day
Last Day to Withdraw from a Winter Course (50% Tuition Refund)
Last Day to Change the Grading Basis of a Winter Term 5A – 1st 5 Weeks Course (by noon)
Last Day to Withdraw from a Winter Term 5A – 1st 5 Weeks Course (No Refunds Available)
January 2026 – February 2026
Month/Day
Day of Week
Name
–
–
Winter Term 5A – 1st 5 Weeks Dates
January 2026 – March 2026
Month/Day
Day of Week
Name
–
–
Winter Term Dates
January 2026 – January 2026
Month/Day
Day of Week
Name
–
–
Audit a Winter Course (Friday by 5 pm)
February 2026
Month/Day
Day of Week
Name
Winter Term 5A – 1st 5 Weeks Course Classes End
Winter Term 5B – 2nd 5 Weeks Classes Begin
Last Day to Drop a Winter Term 5B – 2nd 5 Weeks Course (100% Tuition Refund)
Last Day to Add a Winter Term 5B – 2nd 5 Weeks Course Online without Dept. Approval
Last Day to Withdraw from a Winter Super Term Course (No Refunds Available)
Last Day to Change the Grading Basis of a Winter Super Term Course (by noon)
Last Day to Withdraw from a Winter Course (No Refunds Available)
Last Day to Change the Grading Basis of a Winter Course (by noon)
Spring Priority Registration Opens
February 2026 – March 2026
Month/Day
Day of Week
Name
–
–
Winter Term 5B – 2nd 5 Weeks Dates
March 2026
Month/Day
Day of Week
Name
Last Day to Withdraw from a Winter Term 5B – 2nd 5 Weeks Course (No Refunds Available)
Last Day to Change the Grading Basis of a Winter Term 5B – 2nd 5 Weeks Course (by noon)
Last Day to Withdraw from Winter Term
Winter Super Term Classes End
Winter Term 5B – 2nd 5 Weeks Course Classes End
Winter Term Classes End
Winter Finals Week Begins
Winter Term Ends
Spring Term Extension Classes Begin
March 2026 – March 2026
Month/Day
Day of Week
Name
–
–
Spring Term Extension Dates
March 2026 – June 2026
Month/Day
Day of Week
Name
–
–
Spring Super Term Dates
March 2026
Month/Day
Day of Week
Name
Spring Super Term Classes Begin
Last Day to Add a Spring Extention Course Online without Dept. Approval
Winter Term 5B – 2nd 5 Weeks Extension Grades Available Online
Winter Extension Grades Available Online
Winter Term Grades Available Online
Winter Super Term Grades Available Online
Last Day to Drop a Spring Extension Course (100% Tuition Refund)
Winter Term 5A – 1st 5 Weeks Extension Grades Available Online
Last Day to Change the Grading Basis of a Spring Extension Course (by noon)
Last Day to Withdraw from a Spring Extension Course (No Refunds Available)
Spring Extension Classes End
Last Day to Drop a Spring Super Term Course (100% Tuition Refund)
Spring Term 5A – 1st 5 Weeks Classes Begin
Spring Term Classes Begin
March 2026 – June 2026
Month/Day
Day of Week
Name
–
–
Spring Term Dates
March 2026 – May 2026
Month/Day
Day of Week
Name
–
–
Spring Term 5A – 1st 5 Weeks Dates
April 2026
Month/Day
Day of Week
Name
Last Day to Drop a Spring Term 5A – 1st 5 Weeks Course (100% Tuition Refund)
Last Day to Add a Spring Super Term Course Online without Dept. Approval
Last Day to Add a Spring Term 5A – 1st 5 Weeks Course Online without Dept. Approval
Last Day to Add a Spring Course Online without Dept. Approval
Last Day to Drop a Spring Course (100% Tuition Refund)
Last Day to Add a Spring Term Course Online with Dept. Approval
Summer Term Registration Open for All
Last Day to Change the Grading Basis of a Spring Term 5A – 1st 5 Weeks Course (by noon)
Last Day to Withdraw from a Spring Term 5A – 1st 5 Weeks Course (No Refunds Available)
Last Day to Withdraw from a Spring Course (50% Tuition Refund)
April 2026 – April 2026
Month/Day
Day of Week
Name
–
–
Audit a Spring Course (Friday by 5 pm)
May 2026
Month/Day
Day of Week
Name
Last Day to Change the Grading Basis of a Spring Super Term Course (by noon)
Last Day to Withdraw from a Spring Super Term Course (No Refunds Available)
Spring Term 5A – 1st 5 Weeks Course Classes End
Spring Term 5B – 2nd 5 Weeks Classes Begin
Last Day to Drop a Spring Term 5B – 2nd 5 Weeks Course (100% Tuition Refund)
Last Day to Add a Spring Term 5B – 2nd 5 Weeks Course Online without Dept. Approval
Last Day to Change the Grading Basis of a Spring Course (by noon)
Last Day to Withdraw from a Spring Course (No Refunds Available)
Fall Term Priority Registration Opens
Last Day to Change the Grading Basis of a Spring Term 5B – 2nd 5 Weeks Course (by noon)
Last Day to Withdraw from a Spring Term 5B – 2nd 5 Weeks Course (No Refunds Available)
Memorial Day
May 2026 – June 2026
Month/Day
Day of Week
Name
–
–
Spring Term 5B – 2nd 5 Weeks Dates
June 2026
Month/Day
Day of Week
Name
Last Day to Withdraw from Spring Term
Spring Super Term Classes End
Spring Term Classes End
Spring Term 5B – 2nd 5 Weeks Course Classes End
Spring Finals Week Begins
Spring Term Ends
Commencement Day
Week Zero Summer Session Begins
Spring Extension Grades Available Online
Spring Term 5A – 1st 5 Weeks Extension Grades Available Online
June 2026
Month/Day
Day of Week
Name
Spring Term Grades Available Online
Spring Term 5B – 2nd 5 Weeks Extension Grades Available Online
