Important Semester Dates

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

January 12, 2026 – May 8, 2026

• October 20, 2025 -January 16, 2026: Enrollment Open
• January 9: ALL FEES ARE DUE
• January 12: Sixteen Week Classes BEGIN
• January 16: Last Date to Enroll and Add Sixteen Week Classes
• January 19: Martin Luther King Jr. Day, No Classes - campuses open
• January 26: Last Date to Drop Sixteen Week Classes and Receive a Refund
• March 16-20: Spring Break, campuses closed
• April 10: Last Day to Withdraw from Sixteen Week Classes with a “W”
• May 1: 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 11 and May 1, only if the student has a passing grade at the time of the withdrawal.
• May 4-8: Finals
• May 8: Semester ENDS
• May 8-9: Commencement at NSU Tahlequah
• May 11: Commencement at ORU Mabee Center for NSU-Broken Arrow
• May 12: Faculty Grade Entry Closes (3:00 pm)
• May 13: Grades Available via goNSU
• May 14: Earliest Date that Official Transcripts Will Be Available

Grades may be available on goNSU as early as May 13. Please remember that summary information such as hours earned and grade point average may not include Spring 2026 courses until May 14.

January 12, 2026 – February 27, 2026

• October 20, 2025 - January 13, 2026: Enrollment Open
• January 12: First Seven Week Classes BEGIN
• January 13: Last Date to Add Seven Week Classes
• January 15: Last Date to Drop First Seven Week Classes and Receive a Refund
• January 19: Martin Luther King Jr. Day, No Classes - campuses open
• February 17: Last Day to Withdraw from First Seven Week Classes with a “W”
• February 26: 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 18 – February 26, only if the student has a passing grade at the time of the withdrawal.
• February 27: Finals
• February 27: First Seven Week Classes END

January 12, 2026 – March 6, 2026

• October 20, 2025 - January 14, 2026: Enrollment Open
• January 12: First Eight Week Classes BEGIN
• January 14: Last Date to Add Eight Week Classes
• January 16: Last Date to Drop First Eight Week Classes and Receive a Refund
• January 19: Martin Luther King Jr. Day, No Classes - campuses open
• February 20: Last Day to Withdraw from First Eight Week Classes with a “W”
• March 5: 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 21 – March 5, only if the student has a passing grade at the time of the withdrawal.
• March 6: Finals
• March 6: First Eight Week Classes END

March 9, 2026 – May 1, 2026

• October 20, 2025 - March 10, 2026: Enrollment Open
• March 9: Second SEVEN Week Classes BEGIN
• March 10: Last Date to Add Second Seven Week Classes
• March 12: Last Date to Drop Second Seven Week Classes and Receive a Refund
• March 16-20: Spring Break, campuses closed
• April 20: Last Day to Withdraw from Second Seven Week Classes with a “W”
• April 30: 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 21 – April 30, only if the student has a passing grade at the time of the withdrawal.
• May 1: Finals
• May 1: Second Seven Week Classes END

March 9, 2026 – May 8, 2026

• October 20, 2025 - March 11, 2026: Enrollment Open
• March 9: Second Eight Week Classes BEGIN
• March 11: Last Date to Add Second Eight Week Classes
• March 13: Last Date to Drop Second Eight Week Classes and Receive a Refund
• March 16-20: Spring Break, campuses closed
• April 24: Last Day to Withdraw from Second Eight Week Classes with a “W”
• May 7: 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 25-May 7, only if the student has a passing grade at the time of the withdrawal.
• May 8: Finals

May 8: Second Eight Week Classes END

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