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Important registration information: for registration change, drop, and withdrawal information see Academic Policies in this catalog and/or meet with your academic advisor.
2024-2025 Academic Calendar
Fall Semester 2024 (August – December)
- Classes Begin (Graduate): Monday, August 19
- Classes Begin (Undergraduate): Monday, August 26
- Labor Day (Offices closed): Monday, September 2
- Add/Drop Date: Monday, September 9
- Annual All Faculty Assessment Day (classes cancelled 8 am to 5 pm): Friday, October 4
- Midterm Exam Week (Undergraduate): Monday, October 7 – Friday, October 11
- Midterm Grades Due: Wednesday, October 23
- Spring Registration Opens: Monday, October 28
- Veteran’s Day (Offices closed): Monday, November 11
- Thanksgiving (Offices closed): Thursday, November 28 – Friday, November 29
- Classes End (Undergraduate): Friday, December 6
- Classes End (Graduate): Sunday, December 8
- Finals Week: Monday, December 9 – Friday, December 13
- Final Grades Due: Wednesday, December 18
- Winter Break (Offices closed): Monday, December 23 – Friday, January 3
(Add/drop information for graduate intensive weekend or short term classes based on % of contact hours. See Refunds for more details)
Spring Semester 2025 (January – May)
- Offices Reopen: Monday, January 6
- Classes Begin (Graduate): Monday, January 13
- M.L. King Jr. Holiday (Offices closed): Monday, January 20
- Classes Begin (Undergraduate): Tuesday, January 21
- Registration Closed – Last day to add a course: Monday, January 27
- Drop Date (for 100% refund): Monday, February 3
- President’s Day (Offices closed): Monday, February 17
- Last Day to Withdraw from a course (for 50% refund): Monday, February 18
- Midterm Exam Week (Undergraduate): Monday, March 10 – Friday, March 14
- Spring Vacation (Offices open): Monday, March 17 – Friday, March 21
- Summer Registration Opens: Monday, March 24
- Midterm Grades Due: Wednesday, March 26
- Fall Registration Opens: Monday, March 31
- Spring Renewal Day (Offices closed): April 18
- Classes End (Undergraduate): Friday, May 9
- Commencement: Saturday, May 10
- Finals Week: Monday, May 12 – Friday, May 16
- Classes End (Graduate): Sunday, May 18
- Final Grades Due: Wednesday, May 21
(Add/drop information for graduate intensive weekend or short term classes based on % of contact hours. See Refunds for more details)
Summer Semester 2025 (May – July)
- Classes Begin (Graduate): Tuesday, May 20*
- Memorial Day Holiday (Campus closed): Monday, May 26
- Classes Begin (Undergraduate): Tuesday, May 27
- Yakama Nation Treaty Day (Observed) (Offices closed): Friday, June 6
- Juneteenth (Offices closed): Thursday, June 19
- Independence Day (Offices closed): Friday, July 4
- Classes End (Undergraduate): Friday, July 18
- Classes End (Graduate): Sunday, July 20*
- Final Grades Due: Wednesday, July 23
(Add/drop information for summer term classes based on % of contact hours. See Refunds for more details)
2025-2026 Academic Calendar
Fall Semester 2025 (August – December)
- Classes Begin (Graduate): Monday, August 11
- Classes Begin (Undergraduate): Monday, August 25
- Labor Day (Offices closed): Monday, September 1
- Registration Closed – Last day to add a course: Friday, August 29
- Drop Date (for 100% refund): Monday, September 8
- Last Day to Withdraw from a course (for 50% refund): Monday, September 22
- Annual All Faculty Assessment Day (classes cancelled 8 am to 5 pm): Friday, October 3
- Midterm Exam Week (Undergraduate): Monday, October 13 – Friday, October 17
- Midterm Grades Due: Wednesday, October 22
- Spring Registration Opens: Monday, October 27
- Veteran’s Day (Offices closed): Tuesday, November 11
- Thanksgiving (Offices closed): Thursday, November 27 – Friday, November 28
- Classes End (Undergraduate): Friday, December 5
- Classes End (Graduate): Sunday, December 7
- Finals Week: Monday, December 8 – Friday, December 12
- Final Grades Due: Wednesday, December 17
- Winter Break (Offices closed): Monday, December 22 – Friday, January 2
(Add/drop information for graduate intensive weekend or short term classes based on % of contact hours. See Refunds for more details)
Spring Semester 2026 (January – May)
- Offices Reopen: Monday, January 5
- Classes Begin (Graduate): Monday, January 12
- M.L. King Jr. Holiday (Offices closed): Monday, January 19
- Classes Begin (Undergraduate): Tuesday, January 20
- Registration Closed – Last day to add a course: Monday, January 26
- Drop Date (for 100% refund): Monday, February 2
- Last Day to Withdraw from a course (for 50% refund): Tuesday, February 17
- President’s Day (Offices closed): Monday, February 16
- Midterm Exam Week (Undergraduate): Monday, March 9 – Friday, March 13
- Spring Vacation (Offices open): Monday, March 16 - Friday, March 20
- Summer Registration Opens: Monday, March 23
- Midterm Grades Due: Wednesday, March 25
- Fall Registration Opens: Monday, March 30
- Spring Renewal Day (Offices closed): Friday, April 3
- Classes End (Undergraduate): Friday, May 8
- Finals Week: Monday, May 11 – Friday, May 15
- Commencement: Saturday, May 16
- Classes End (Graduate): Sunday, May 17
- Final Grades Due: Wednesday, May 20
(Add/drop information for graduate intensive weekend or short term classes based on % of contact hours. See Refunds for more details)
Summer Semester 2026 (May – July)
- Classes Begin (Graduate): Tuesday, May 19*
- Memorial Day Holiday (Campus closed): Monday, May 25
- Classes Begin (Undergraduate): Tuesday, May 26
- Yakama Nation Treaty Day (Observed) (Offices closed): Friday, June 5
- Juneteenth: Friday, June 19
- Independence Day (Observed) (Offices closed): Friday, July 3
- Classes End (Undergraduate): Friday, July 17
- Classes End (Graduate): Sunday, July 19*
- Final Grades Due: Wednesday, July 22
(Add/drop information for summer term classes based on % of contact hours. See Refunds for more details)
* Summer School beginning and ending dates for Graduate Programs’ classes vary per agreement of Graduate Program with Registrar.
Fall Semester 2026 (August – December)
- Classes Begin (Graduate): Monday, August 17
- Classes Begin (Undergraduate): Monday, August 24
- Labor Day (Offices closed): Monday, September 7
- Registration Closed – Last day to add a course: Friday, August 28
- Drop Date (for 100% refund): Tuesday, September 8
- Last Day to Withdraw from a course (for 50% refund): Monday, September 21
- Annual All Faculty Assessment Day (classes cancelled 8 am to 5 pm): Friday, October 2
- Midterm Exam Week (Undergraduate): Monday, October 12 – Friday, October 16
- Midterm Grades Due: Wednesday, October 21
- Spring Registration Opens: Monday, October 26
- Veteran’s Day (Offices closed): Wednesday, November 11
- Thanksgiving (Offices closed): Thursday, November 26 – Friday, November 27
- Classes End (Undergraduate): Friday, December 4
- Classes End (Graduate): Sunday, December 6
- Finals Week: Monday, December 7 – Friday, December 11
- Final Grades Due: Wednesday, December 16
- Winter Break (Offices closed): Wednesday, December 23 – Friday, January 1
(Add/drop information for graduate intensive weekend or short term classes based on % of contact hours. See Refunds for more details)
Spring Semester 2027 (January – May)
- Offices Reopen: Monday, January 4
- Classes Begin (Graduate): Monday, January 11
- M.L. King Jr. Holiday (Offices closed): Monday, January 18
- Classes Begin (Undergraduate): Tuesday, January 19
- Registration Closed – Last day to add a course: Monday, January 25
- Drop Date (for 100% refund): Monday, February 1
- Last Day to Withdraw from a course (for 50% refund): Monday, February 15
- President’s Day (Offices closed): Monday, February 15
- Midterm Exam Week (Undergraduate): Monday, March 8 – Friday, March 12
- Spring Vacation (Offices open): Monday, March 15 - Friday, March 19
- Summer Registration Opens: Monday, March 22
- Midterm Grades Due: Wednesday, March 24
- Spring Renewal Day (Offices closed): Friday, March 26
- Fall Registration Opens: Monday, March 29
- Classes End (Undergraduate): Friday, May 5
- Finals Week: Monday, May 10 – Friday, May 14
- Commencement: Saturday, May 15
- Classes End (Graduate): Sunday, May 16
- Final Grades Due: Wednesday, May 19
(Add/drop information for summer term classes based on % of contact hours. See Refunds for more details)
Summer Semester 2027 (May – July)
- Classes Begin (Graduate): Tuesday, May 25*
- Memorial Day Holiday (Campus closed): Monday, May 31
- Classes Begin (Undergraduate): Tuesday, June 1
- Yakama Nation Treaty Day (Observed) (Offices closed): Friday, June 11
- Juneteenth (Observed) (Offices closed): Friday, June 18
- Independence Day (Observed) (Offices closed): Monday, July 5
- Classes End (Undergraduate): Friday, July 23
- Classes End (Graduate): Sunday, July 25*
- Final Grades Due: Wednesday, July 28
(Add/drop information for summer term classes based on % of contact hours. See Refunds for more details)
* Summer School beginning and ending dates for Graduate Programs’ classes vary per agreement of Graduate Program with Registrar.
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