Oregon State University Academic Calendar 2026-2027
Corvallis, Oregon
Public | Quarter System | ~37000 Students
Looking for important Oregon State University academic calendar dates? Below you'll find registration periods, semester information, finals, commencement, and other resources.
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School Facts Card
School's Name
Oregon State University
School's City
Corvallis
School's State
Oregon
School Semester System
Quarter
School's Enrollment
37000
School's Type
Public
Important Academic Dates
Fall Semester
Fall Semester Begins
September 22, 2026
Fall Add/Drop Deadline
October 3, 2026
Fall Withdrawal Deadline
December 3, 2027
Fall Finals Week Start Date
December 6, 2027
Fall Finals Week End Date
December 10, 2027
Spring Semester
Spring Semester Begins
March 28, 2027
Spring Add/Drop Deadline
April 3, 2027
Spring Break Start Date
Spring Break End Date
Spring Withdrawal Deadline
June 4, 2027
Spring Finals Week Start Date
June 6, 2027
Spring Finals Week End Date
June 10, 2027
Other Important Dates
Commencement Date
Oregon State University
Summer Semester Begins
Corvallis
University Overview
Oregon State University is a public research university in Corvallis, Oregon. Unlike many universities that use semesters, Oregon State follows a quarter-based academic calendar with Fall, Winter, and Spring terms, as well as multiple Summer sessions. The Office of the Registrar maintains the official academic calendar.
Semester Overview
Fall Semester
Oregon State University does not use a traditional Fall semester. The Fall 2026 term begins September 23, 2026, classes end December 4, and final exams end December 11. Thanksgiving holidays are November 26-27.
Spring Semester
Oregon State University does not use a traditional Spring semester. The Spring 2027 term begins March 29, classes end June 4, final exams end June 11, and Commencement is June 12. Spring Break runs March 20-28 between the Winter and Spring terms.
OSU does not use a traditional Winter semester, but it has a Winter term. Winter 2027 classes begin January 4, classes end March 12, and final exams end March 19.
Summer Semester
OSU offers several Summer sessions, including eight-week, 11-week, full-session, and other shorter sessions. The 2026 Summer term begins June 22 for the main sessions, with individual session dates varying by course.
Registration Overview
Oregon State uses priority registration and separate registration deadlines for different terms and sessions. The academic calendar also includes deadlines for adding courses, dropping courses, changing grading basis, and withdrawing. Registration deadlines generally use an 11:55 p.m. Pacific Time deadline unless otherwise stated.
Finals Overview
Fall 2026 final exams end December 11, Winter 2027 final exams end March 19, and Spring 2027 final exams end June 11. Individual sessions may have separate examination schedules.
​Graduation Overview
Oregon State University's Spring 2027 Commencement is scheduled for June 12, with Cascades Commencement scheduled for June 13.
What Actually Works
Add every important academic deadline to one calendar
Review every course syllabus during the first week
Meet with your academic advisor before registration
Register as soon as your enrollment window opens
Track Winter, Spring, and Summer sessions separately
Pay attention to course-specific withdrawal deadlines
Begin preparing for final exams before finals week
Check the official academic calendar regularly for updates
Frequently Asked Questions
Where can I find the official Oregon State University academic calendar?
The University of Oregon Office of the Registrar publishes the official academic calendar with term dates, registration deadlines, examinations, breaks, and commencement information.
Does Oregon State University use semesters or quarters?
Oregon State University uses a quarter-based academic calendar with Fall, Winter, and Spring terms, along with multiple Summer sessions.
Does Oregon State University offer Summer courses?
Yes. OSU offers multiple Summer sessions with different lengths and start and end dates.
When is Spring Break at Oregon State University?
OSU's Spring 2027 break runs from March 20 through March 28, between the Winter and Spring terms.
Final Thoughts
The Oregon State University academic calendar is more than a schedule of important dates. It helps students coordinate coursework, registration, shorter academic sessions, exams, internships, employment, and graduation throughout the academic year. Because OSU uses a quarter system, regularly reviewing the calendar can be particularly helpful for avoiding missed deadlines.
Important Note
This page is intended for informational and planning purposes only. Academic calendars may vary by academic program, degree level, and course format. Always confirm registration dates, add/drop deadlines, withdrawal deadlines, examination schedules, and commencement information using Oregon State University's official academic calendar before making academic decisions.
