Academic Calendar | Oregon State University
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- Academic Calendar
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- Office of the Registrar
- Academic Calendar
Welcome!
Navigating the calendar
- The OSU Academic Calendar displays important term dates in ascending order by month and year.
- Terms that have passed are viewable in the Archived terms section below.
- The filters can be used to view a specific Category of dates, a Term, a Term Session, and an Academic Year.
- The majority of OSU courses are held in the Full Term Session, but the non-standard term and the individual summer session dates are also displayed.
- Use the filter options to see dates and deadlines for a specific term and session. For example, select Fall in the Term dropdown and then select Full Session in the Term Session dropdown, select the Academic Year, then click Apply to see all the important dates for the regular 11-week fall term.
View a quick tutorial video
A submission time of 11:55 p.m. (Pacific Time) applies to all registration deadlines unless stated otherwise.
Archived terms
- Fall 2024- Summer 2025
Academic calendar filters
Category - Any -CommencementFinals WeeksGrades Posted OnlineHolidaysPriority Registration DatesRegistration DeadlinesTerm Dates Term - Any -FallWinterSpringSummer Term Session - Any -Full SessionSummer Session 2 (1st 4-Week)Summer Session 3 (8-Week)Summer Session 4 (2nd 4-Week)Summer Session 5 (3-Week)Summer Session 6 (Zero Week; 1-Week)Super Term (Term Extension + Full Term)Term 5A - 1st 5 WeeksTerm 5B - 2nd 5 WeeksTerm Extension (Pre-Term) Academic Year - Any -2025-2026| Month/Day | Day of Week | Name |
|---|---|---|
| Sep 10 | Wednesday | Fall Super Term Classes Begin |
| Sep 10 | Wednesday | Fall Term Extension Classes Begin |
| Sep 11 | Thursday | Last Day to Drop a Fall Extension Course (100% Tuition Refund) |
| Sep 14 | Sunday | Last Day to Add a Fall Extention Course Online without Dept. Approval |
| Sep 19 | Friday | Last Day to Drop a Fall Super Term Course (100% Tuition Refund) |
| Sep 19 | Friday | Last Day to Withdraw from a Fall Extension Course (No Refunds Available) |
| Sep 19 | Friday | Last Day to Change the Grading Basis of a Fall Extension Course (by noon) |
| Sep 23 | Tuesday | Fall Extension Classes End |
| Sep 24 | Wednesday | Fall Term 5A - 1st 5 Weeks Classes Begin |
| Sep 24 | Wednesday | Fall Term Classes Begin |
| Sep 27 | Saturday | Last Day to Drop a Fall Term 5A - 1st 5 Weeks Course (100% Tuition Refund) |
| Sep 28 | Sunday | Last Day to Add a Fall Super Term Course Online without Dept. Approval |
| Sep 29 | Monday | Last Day to Add a Fall Term 5A - 1st 5 Weeks Course Online without Dept. Approval |
| Month/Day | Day of Week | Name |
|---|---|---|
| Sep 10 - Dec 5 | Wednesday - Friday | Fall Super Term Dates |
| Sep 24 - Dec 12 | Wednesday - Friday | Fall Term Dates |
| Month/Day | Day of Week | Name |
|---|---|---|
| Sep 10 - Sep 23 | Wednesday - Tuesday | Fall Term Extension Dates |
| Month/Day | Day of Week | Name |
|---|---|---|
| Sep 24 - Oct 31 | Wednesday - Friday | Fall Term 5A - 1st 5 Weeks Dates |
| Month/Day | Day of Week | Name |
|---|---|---|
| Oct 2 | Thursday | Last Day to Withdraw from a Fall Term 5A course with a 50% refund |
| Oct 5 | Sunday | Last Day to Drop a Fall Course (100% Tuition Refund) |
| Oct 5 | Sunday | Last Day to Add a Fall Course Online without Dept. Approval |
| Oct 12 | Sunday | Last Day to Add a Fall Course Online with Dept. Approval |
| Oct 13 | Monday | Last Day to Change the Grading Basis of a Fall Term 5A - 1st 5 Weeks Course (by noon) |
| Oct 13 | Monday | Last Day to Withdraw from a Fall Term 5A - 1st 5 Weeks Course (No Refunds Available) |
| Oct 19 | Sunday | Last Day to Withdraw from a Fall Course (50% Tuition Refund) |
| Oct 31 | Friday | Fall Term 5A - 1st 5 Weeks Course Classes End |
| Month/Day | Day of Week | Name |
|---|---|---|
| Oct 6 - Oct 10 | Monday - Friday | Register to Audit a Fall Course (Friday by 5 pm) |
| Month/Day | Day of Week | Name |
|---|---|---|
| Nov 3 - Dec 5 | Monday - Friday | Fall Term 5B - 2nd 5 Weeks Dates |
| Month/Day | Day of Week | Name |
|---|---|---|
| Nov 3 | Monday | Fall Term 5B - 2nd 5 Weeks Classes Begin |
| Nov 5 | Wednesday | Last Day to Drop a Fall Term 5B - 2nd 5 Weeks Course (100% Tuition Refund) |
| Nov 7 | Friday | Last Day to Add a Fall Term 5B - 2nd 5 Weeks Course Online without Dept. Approval |
| Nov 11 | Tuesday | Last Day to Withdraw from a Fall Term 5B Course (50% Tuition Refund) |
| Nov 11 | Tuesday | Veterans Day |
| Nov 12 | Wednesday | Last Day to Withdraw from a Fall Super Term Course (No Refunds Available) |
| Nov 12 | Wednesday | Last Day to Change the Grading Basis of a Fall Super Term Course (by noon) |
| Nov 14 | Friday | Last Day to Change the Grading Basis of a Fall Course (by noon) |
| Nov 14 | Friday | Last Day to Withdraw from a Fall Course (No Refunds Available) |
| Nov 17 | Monday | Winter Priority Registration Opens |
| Nov 18 | Tuesday | Last Day to Change the Grading Basis of a Fall Term 5B - 2nd 5 Weeks Course (by noon) |
| Nov 18 | Tuesday | Last Day to Withdraw from a Fall Term 5B - 2nd 5 Weeks Course (No Refunds Available) |
| Nov 27 | Thursday | Thanksgiving Day |
| Nov 28 | Friday | Day after Thanksgiving |
| Month/Day | Day of Week | Name |
|---|---|---|
| Dec 5 | Friday | Last Day to Withdraw from Fall Term |
| Dec 5 | Friday | Fall Term Classes End |
| Dec 5 | Friday | Fall Super Term Classes End |
| Dec 5 | Friday | Fall Term 5B - 2nd 5 Weeks Course Classes End |
| Dec 8 | Monday | Fall Finals Week Begins |
| Dec 12 | Friday | Fall Term Ends |
| Dec 17 | Wednesday | Fall Extension Grades Available Online |
| Dec 17 | Wednesday | Fall Term 5A - 1st 5 Weeks Extension Grades Available Online |
| Dec 17 | Wednesday | Fall Super Term Grades Available Online |
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Download the Academic Calendar
Use the links above to download the Academic Calendar to your Outlook or Gmail account. To download only the full session dates, select the desired Academic Year, choose "Full Session," and leave the Term set to "Any." This will export only the filtered dates.
When no filters are applied, the download link will display as "Full Academic Calendar." If filters are applied, the download content will update accordingly, and the link will display as "Filtered Academic Calendar."
Additional calendars and deadlines
OSU's 4-year Calendar
View Student Billing Deadlines
View Faculty Grading Deadlines
A visualization of all the sessions in an academic year and how they intersect can be found below:
2025-2026 Academic Year Sessions
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