Important Semester Dates
Fall
August 17, 2026 – December 11, 2026
- March 23-August 21: Enrollment Open
- August 14: ALL FEES ARE DUE
- August 17: Sixteen Week Classes BEGIN
- August 21: Last Date to Enroll and Add Sixteen Week Classes
- August 28: Last Date to Drop Sixteen Week Classes and Receive a Refund
- September 7: Labor Day Holiday, campuses closed
- October 15-16: Fall Break, campuses closed
- November 10: Last Day to Withdraw from Sixteen Week Classes with a “W”
- November 25-27: Thanksgiving Break, campuses closed
- December 4: Last Day to Withdraw from a Single Class or Withdraw from all Sixteen
Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between November 11 and December 4, only if the student has a passing grade at the time of the withdrawal. - December 7-11: Finals
- December 11: Semester ENDS
- December 12: Commencement at NSU Tahlequah
- December 15: Faculty Grade Entry Closes (3:00 pm)
- December 16: Grades Available via goNSU
- December 17: Earliest Date that Official Transcripts Will Be Available
Grades may be available on goNSU as early as December 16. Please remember that summary information such as hours earned and grade point average may not include Fall 2026 courses until December 17.
August 17, 2026 – October 2, 2026
- March 23–August 18: Enrollment Open
- August 17: First Seven Week Classes BEGIN
- August 18: Last Date to Add First Seven Week Classes
- August 20: Last Date to Drop First Seven Week Classes and Receive a Refund
- September 7: Labor Day Holiday, campuses closed
- September 22: Last Day to Withdraw from First Seven Week Classes with a “W”
- October 1: Last Day to Withdraw from a Single Class or to Withdraw from all First
Seven Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between September 23 and October 1, only if the student has a passing grade at the time of the withdrawal. - October 2: Finals
- October 2: First Seven Week Classes END
August 17, 2026 – October 9, 2026
- March 23-August 19: Enrollment Open
- August 17: First Eight Week Classes BEGIN
- August 19: Last Date to Add First Eight Week Classes
- August 21: Last Date to Drop First Eight Week Classes and Receive a Refund
- September 7: Labor Day Holiday, campuses closed
- September 25: Last Day to Withdraw from First Eight Week Classes with a “W”
- October 8: Last Day to Withdraw from a Single Class or to Withdraw from all First
Eight Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between September 26 and October 8, only if the student has a passing grade at the time of the withdrawal. - October 9: Finals
- October 9: First Eight Week Classes END
October 12, 2026 – December 4, 2026
- March 23-October 13: Enrollment Open
- October 12: Second Seven Week Classes BEGIN
- October 13: Last Date to Add Second Seven Week Classes
- October 15-16: Fall Break, campuses closed
- October 19: Last Date to Drop Second Seven Week Classes and Receive a Refund
- November 18: Last Day to Withdraw from Seven Week Classes with a “W”
- November 25–27: Thanksgiving Break, campuses closed
- December 3: Last Day to Withdraw from a Single Class or to Withdraw from all Second
Seven Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between November 19 and December 3, only if the student has a passing grade at the time of the withdrawal. - December 4: Finals
- December 4: Second Seven Week Classes END
October 12, 2026 – December 11, 2026
- March 23-October 14: Enrollment Open
- October 12: Second Eight Week Classes BEGIN
- October 14: Last Date to Add Second Eight Week Classes
- October 15-16: Fall Break, campuses closed
- October 20: Last Date to Drop Second Eight Week Classes and Receive a Refund
- November 24: Last Day to Withdraw from Second Eight Week Classes with a “W”
- November 25–27: Thanksgiving Break, campuses closed
- December 10: Last Day to Withdraw from a Single Class or to Withdraw from all Second
Eight Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between November 25 and December 10, only if the student has a passing grade at the time of the withdrawal. - December 11: Finals
- December 11: Second Eight Week Classes END
Spring
January 11, 2027 – May 7, 2027
- October 19, 2026 -January 15, 2027: Enrollment Open
- January 8: ALL FEES ARE DUE
- January 11: Sixteen Week Classes BEGIN
- January 15: Last Date to Enroll and Add Sixteen Week Classes
- January 18: Martin Luther King Jr. Day, No Classes - campuses open
- January 25: Last Date to Drop Sixteen Week Classes and Receive a Refund
- March 15-19: Spring Break, campuses closed
- April 9: Last Day to Withdraw from Sixteen Week Classes with a “W”
- April 30: Last Day to Withdraw from a Single Class or Withdraw from all Sixteen Week
Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between April 10 and April 30, only if the student has a passing grade at the time of the withdrawal. - May 3-7: Finals
- May 7: Semester ENDS
- May 7-8: Commencement Celebrations-NSU Tahlequah
- May 10: Commencement Celebration-NSU Broken Arrow
- May 11: Faculty Grade Entry Closes (3:00 pm)
- May 12: Grades Available via goNSU
- May 13: Earliest Date that Official Transcripts Will Be Available
Grades may be available on goNSU as early as May 12. Please remember that summary information such as hours earned and grade point average may not include Spring 2027 courses until May 13.
January 11, 2027 – February 26, 2027
- October 19, 2026 - January 12, 2027: Enrollment Open
- January 11: First Seven Week Classes BEGIN
- January 12: Last Date to Add Seven Week Classes
- January 14: Last Date to Drop First Seven Week Classes and Receive a Refund
- January 18: Martin Luther King Jr. Day, No Classes - campuses open
- February 16: Last Day to Withdraw from First Seven Week Classes with a “W”
- February 25: Last Day to Withdraw from a Single Class or Withdraw from all First Seven
Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between February 17 – February 25, only if the student has a passing grade at the time of the withdrawal. - February 26: Finals
February 26: First Seven Week Classes END
January 11, 2027 – March 5, 2027
- October 19, 2026 - January 13, 2027: Enrollment Open
- January 11: First Eight Week Classes BEGIN
- January 13: Last Date to Add Eight Week Classes
- January 15: Last Date to Drop First Eight Week Classes and Receive a Refund
- January 18: Martin Luther King Jr. Day, No Classes - campuses open
- February 19: Last Day to Withdraw from First Eight Week Classes with a “W”
- March 4: Last Day to Withdraw from a Single Class or Withdraw from all First Eight
Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between February 20 – March 4, only if the student has a passing grade at the time of the withdrawal. - March 5: Finals
- March 5: First Eight Week Classes END
March 8, 2027 – April 30, 2027
- October 19, 2026 - March 9, 2027: Enrollment Open
- March 8: Second SEVEN Week Classes BEGIN
- March 9: Last Date to Add Second Seven Week Classes
- March 11: Last Date to Drop Second Seven Week Classes and Receive a Refund
- March 15-19: Spring Break, campuses closed
- April 19: Last Day to Withdraw from Second Seven Week Classes with a “W”
- April 29: Last Day to Withdraw from a Single Class or to Withdraw from all Second
Seven Week Classes
NOTE:A grade of “W” can be assigned in classes from which a student withdraws between April 20 – April 29, only if the student has a passing grade at the time of the withdrawal. - April 30: Finals
- April 30: Second Seven Week Classes END
March 8, 2027 – May 7, 2027
- October 19, 2026 - March 10, 2027: Enrollment Open
- March 8: Second Eight Week Classes BEGIN
- March 10: Last Date to Add Second Eight Week Classes
- March 12: Last Date to Drop Second Eight Week Classes and Receive a Refund
- March 15-19: Spring Break, campuses closed
- April 23: Last Day to Withdraw from Second Eight Week Classes with a “W”
- May 6: Last Day to Withdraw from a Single Class or to Withdraw from all Second Eight
Week Classes
NOTE:A grade of “W” can be assigned in classes from which a student withdraws between April 24-May 6, only if the student has a passing grade at the time of the withdrawal. - May 7: Finals
- May 7: Second Eight Week Classes END
Summer
May 11, 2026 – August 13, 2026
- March 23 – May 13: Enrollment Open
- May 8: ALL FEES ARE DUE
- May 11: 14 Week Classes BEGIN
- May 13: Last Date to Enroll and Add 14 Week Classes
- May 20: Last Date to Drop any 14 Week Class and Receive a Refund
- May 25: Memorial Day Holiday observed, campuses closed
- June 19: Juneteenth National Independence Day, campuses closed
- July 3: Independence Day Holiday observed, campuses closed
- July 21: Last Day to Withdraw from 14 Week Classes with a “W”
- August 12: Last Day to Withdraw from a Single Class or Withdraw from all 14 Week Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between July 22 and August 12, only if the student has a passing grade at the time of the withdrawal. - August 13: Finals
- August 13: 14 Week Classes END
- August 18: Faculty Grade Entry Closes (3:00 pm)
- August 19: Earliest Date that updated Official Transcripts Will Be Available
Grades may be available on goNSU as early as August 18. Please remember that summary information such as hours earned and grade point average may not include Summer 2026 courses until August 19.
June 1, 2026 – July 23, 2026
- March 23 – June 3: Enrollment Open
- May 29: ALL FEES ARE DUE
- June 1: Eight Week Classes BEGIN
- June 3: Last Date to Enroll and Add Eight Week Classes
- June 8: Last Date to Drop any Eight Week Class and Receive a Refund
- June 19: Juneteenth National Independence Day, campuses closed
- July 3: Independence Day Holiday observed, campuses closed
- July 9: Last Day to Withdraw from Eight Week Classes with a “W”
- July 22: Last Day to Withdraw from a Single Class or Withdraw from all Eight Week
Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between July 10 and July 22, only if the student has a passing grade at the time of the withdrawal. - July 23: Finals
- July 23: Eight Week Classes END
May 11, 2026 – May 28, 2026
- March 23 – May 11: Enrollment Open
- May 11: Three Week A Classes BEGIN
- May 11: Last Date to Add Four Week A Classes
- May 12: Last Date to Drop Four Week A Classes and Receive a Refund
- May 21: Last Day to Withdraw from Four Week A Classes with a “W”
- May 27: Last Day to Withdraw from a Single Class or to Withdraw from all Four Week
A Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between May 22 and May 27, only if the student has a passing grade at the time of the withdrawal. - May 28: Finals
- May 28: Three Week A Classes END
June 1, 2026 – June 25, 2026
- March 23 – June 2: Enrollment Open
- June 1: Four Week B Classes BEGIN
- June 2: Last Date to Add Four Week B Classes
- June 3: Last Date to Drop Four Week B Classes and Receive a Refund
- June 18: Last Day to Withdraw from Four Week B Classes with a “W”
- June 19: Juneteenth National Independence Day, campuses closed
- June 24: Last Day to Withdraw from a Single Class or to Withdraw from all Four Week
B Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between June 19 and June 24, only if the student has a passing grade at the time of the withdrawal. - June 25: Finals
- June 25: Four Week B Classes END
June 29, 2026 – July 23, 2026
- March 23 – June 30: Enrollment Open
- June 29: Four Week C Classes BEGIN
- June 30: Last Date to Add Four Week C Classes
- July 1: Last Date to Drop Four Week C Classes and Receive a Refund
- July 3: Independence Day Holiday observed, campuses closed
- July 16: Last Day to Withdraw from Four Week C Classes with a “W”
- July 22: Last Day to Withdraw from a Single Class or to Withdraw from all Four Week
C Classes
NOTE: A grade of “W” can be assigned in classes from which a student withdraws between July 17 and July 22, only if the student has a passing grade at the time the of the withdrawal. - July 23: Finals
- July 23: Four Week C Classes END
May 11, 2026 – June 25, 2026
- March 23 – May 12: Enrollment Open
- May 11: First 7 Week Classes BEGIN
- May 12: Last Date to Add First 7 Week Classes
- May 14: Last Date to Drop First 7 Week Classes and Receive a Refund
- May 25: Memorial Day Holiday observed, campuses closed
- June 15: Last Day to Withdraw from First 7 Week Classes with a “W”
- June 19: Juneteenth National Independence Day, campuses closed
- June 24: Last Day to Withdraw from a Single Class or to Withdraw from all First 7
Week Classes
NOTE: A grade of “W” can be assigned in classes in which a student withdraws between June 16 and June 24, only if the student has a passing grade at the time of the withdrawal. - June 25: Finals
- June 25: First 7 Week Classes END
June 29, 2026 – August 13, 2026
- March 23 – June 30: Enrollment Open
- June 29: Second Seven Week Classes BEGIN
- June 30: Last Date to Add Second 7 Week Classes
- July 2: Last Date to Drop Second 7 Week Classes and Receive a Refund
- July 3: Independence Day Holiday observed, campuses closed
- August 3: Last Day to Withdraw from Second 7 Week Classes with a “W”
- August 12: Last Day to Withdraw from a Single Class or to Withdraw from all Second
7 Week Classes
NOTE: A grade of “W” can be assigned in classes in which a student withdraws between August 4 and August 12, only if the student has a passing grade at the time of the withdrawal. - August 13: Finals
- August 13: Second 7 Week Classes END
