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Dec 08, 2025
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2025-2026 NSU Undergraduate Catalog
University Calendar 2025-26
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Summer 2025 Semester
| Classes begin |
May 12 |
| 3-week A term |
May 12 - May 29 |
| 4-week B term |
June 2 - June 26 |
| 4-week C term |
June 30 - July 24 |
| 8-week standard summer term |
June 2 - July 24 |
| First half (7 weeks) |
May 12 - June 26 |
| Second half (7 weeks) |
June 30 - Aug 14 |
| Junteenth |
June 19 |
| Independence Day holiday |
July 4 |
| Summer session ends |
August 15 |
| Faculty grades due |
August 20 |
Fall 2025 Semester
| Classes begin |
August 18 |
| Last day to enroll and add 16-week classes |
August 18-22 |
| Labor Day holiday |
September 1 |
| Mid-term / 2nd 8-week classes begin |
October 13 |
| Fall break |
October 16-17 |
| Spring 2025 enrollment opens |
October 20 |
| Thanksgiving holiday |
November 26-28 |
| Fall semester ends |
December 12 |
| Commencement |
December 13 |
| Faculty grades due |
December 16 |
Spring 2026 Semester
| Classes begin |
January 12 |
| Last day to enroll and add 16-week classes |
January 12-16 |
| Martin Luther King holiday (university open / no classes) |
January 19 |
| Mid-term / 2nd 8-week classes begin |
March 9 |
| Spring Break |
March 16-20 |
| Summer 2025 / Fall 2025 enrollment opens |
March 23 |
| Spring semester ends |
May 8 |
| Commencement |
May 9 -10 (Tahlequah) |
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May 12 (Broken Arrow) |
| Faculty grades due |
May 13 |
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