Academic Calendar

The following is the Academic Calendar and is subject to change.

Summer 2026 [202710]

Important Dates

Date Event
March 9 Registration Begins
July 15 Graduation Application Deadline

Holidays/Special Days

Date Event
May 25 Memorial Day Holiday, Campuses Closed
June 19 Juneteenth, Campuses Closed
July 3-4 Independence Day Holiday, Campuses Closed

Full Semester 10 Week Term [F10]

Date Event
May 28 Last Day to Register
May 26 Classes Begin
June 3 Non-participation
June 4 Drop Date
July 21 Withdraw Date
August 2 Classes End

1st Bi-semester [BI1]

Date Event
May 25 Last Day to Register
May 26 Classes Begin
May 31 Non-participation
June 1 Drop Date
June 22 Withdraw Date
June 29 Classes End

2nd Bi-semester [BI2]

Date Event
June 29 Last Day to Register
June 30 Classes Begin
July 5 Non-participation
July 6 Drop Date
July 27 Withdraw Date
August 2 Classes End

Weekend Start [WKC]

Date Event
May 31 Last Day to Register
May 29 Classes Begin
June 7 Non-participation
June 8 Drop Date
July 20 Withdraw Date
August 2 Classes End

1st Tri-semester [TR1]

Date Event
May 25 Last Day to Register
May 26 Classes Begin
May 27 Non-participation
May 28 Drop Date
June 12 Withdraw Date
June 17 Classes End

2nd Tri-semester [TR2]

Date Event
June 17 Last Day to Register
June 18 Classes Begin
June 21 Non-participation
June 22 Drop Date
July 6 Withdraw Date
July 10 Classes End

3rd Tri-semester [TR3]

Date Event
July 10 Last Day to Register
July 11 Classes Begin
July 12 Non-participation
July 13 Drop Date
July 28 Withdraw Date
August 2 Classes End

Colorado Online 10 Week Term [CZ2]

Date Event
May 28 Last Day to Register
May 26 Classes Begin
June 3 Non-participation
June 4 Drop Date
July 21 Withdraw Date
August 2 Classes End

Colorado Online 7 Week Term [CZ4]

Date Event
June 17 Last Day to Register
June 15 Classes Begin
June 21 Non-participation
June 22 Drop Date
July 23 Withdraw Date
August 2 Classes End

Military Session I [MI1]

Date Event
June 14 Last Day to Register
June 15 Classes Begin
June 19 Non-participation
June 22 Drop Date
July 28 Withdraw Date
August 9 Classes End

Fall 2026 [202720]

Important Dates

Date Event
March 9 Registration Begins
November 15 Graduation Application Deadline

Holidays/Special Days

Date Event
September 7 Labor Day Holiday, Campuses Closed
September 8 Campuses Open - No classes
November 25 Campuses Open - No classes
November 26 Thanksgiving Holiday, Campuses Closed
November 27-29 Campuses Open - No classes
December 25-January 1 Campuses Closed

Full Semester 15 Week Term [F15]

Date Event
August 19 Last Day to Register
August 17 Classes Begin
September 1 Non-participation
September 2 Drop Date
November 12 Withdraw Date
December 6 Classes End

Full Semester 12 Week Term [F12]

Date Event
September 8 Last Day to Register
September 9 Classes Begin
September 20 Non-participation
September 21 Drop Date
November 18 Withdraw Date
December 6 Classes End

1st Bi-semester [BI1]

Date Event
August 16 Last Day to Register
August 17 Classes Begin
August 23 Non-participation
August 24 Drop Date
September 29 Withdraw Date
October 11 Classes End

2nd Bi-semester [BI2]

Date Event
October 11 Last Day to Register
October 12 Classes Begin
October 18 Non-participation
October 19 Drop Date
November 24 Withdraw Date
December 6 Classes End

Weekend Start [WKC]

Date Event
August 23 Last Day to Register
August 21 Classes Begin
September 8 Non-participation
September 9 Drop Date
November 16 Withdraw Date
December 6 Classes End

Late Start [LAT]

Date Event
September 22 Last Day to Register
September 23 Classes Begin
October 4 Non-participation
October 5 Drop Date
November 23 Withdraw Date
December 6 Classes End

1st Tri-semester [TR1]

Date Event
August 16 Last Day to Register
August 17 Classes Begin
August 20 Non-participation
August 21 Drop Date
September 14 Withdraw Date
September 22 Classes End

2nd Tri-semester [TR2]

Date Event
September 22 Last Day to Register
September 23 Classes Begin
September 27 Non-participation
September 28 Drop Date
October 20 Withdraw Date
October 27 Classes End

3rd Tri-semester [TR3]

Date Event
October 27 Last Day to Register
October 28 Classes Begin
November 1 Non-participation
November 2 Drop Date
November 30 Withdraw Date
December 6 Classes End

CO Online 15 Week Term [CZ1]

Date Event
August 19 Last Day to Register
August 17 Classes Begin
September 1 Non-participation
September 2 Drop Date
November 12 Withdraw Date
December 6 Classes End

CO Online 10 Week Term [CZ2]

Date Event
September 23 Last Day to Register
September 21 Classes Begin
November 30 Non-participation
October 1 Drop Date
November 20 Withdraw Date
December 6 Classes End

CO Online 1st Bi-semester [CZ4]

Date Event
August 19 Last Day to Register
August 17 Classes Begin
August 23 Non-participation
August 24 Drop Date
September 24 Withdraw Date
October 4 Classes End

CO Online 2nd Bi-semester [CZ5]

Date Event
October 14 Last Day to Register
October 12 Classes Begin
October 18 Non-participation
October 19 Drop Date
November 30 Withdraw Date
December 6 Classes End

Military Session I [MI1]

Date Event
August 23 Last Day to Register
August 24 Classes Begin
August 30 Non-participation
August 31 Drop Date
October 6 Withdraw Date
October 18 Classes End

Military Session II [MI2]

Date Event
September 10 Last Day to Register
September 11 Classes Begin
September 20 Non-participation
September 21 Drop Date
November 5 Withdraw Date
November 19 Classes End

Military Session III [MI3]

Date Event
October 18 Last Day to Register
October 19 Classes Begin
October 25 Non-participation
October 26 Drop Date
December 1 Withdraw Date
December 13 Classes End

Spring 2027 [202730]

Important Dates

Date Event
October 26 Registration Begins
February 15 Graduation Application Deadline

Holidays/Special Days

Date Event
March 22-March 28 Spring Break, Campuses Open - No classes
May 15 Graduation Ceremony

Full Semester 15 Week Term [F15]

Date Event
January 21 Last Day to Register
January 19 Classes Begin
February 2 Non-participation
February 3 Drop Date
April 15 Withdraw Date
May 10 Classes End

Full Semester 12 Week Term [F12]

Date Event
February 8 Last Day to Register
February 9 Classes Begin
February 21 Non-participation
February 22 Drop Date
April 21 Withdraw Date
May 10 Classes End

1st Bi-semester [BI1]

Date Event
January 18 Last Day to Register
January 19 Classes Begin
January 25 Non-participation
January 26 Drop Date
March 2 Withdraw Date
March 13 Classes End

2nd Bi-semester [BI2]

Date Event
March 13 Last Day to Register
March 14 Classes Begin
March 28 Non-participation
March 29 Drop Date
April 28 Withdraw Date
May 10 Classes End

Weekend Start [WKC]

Date Event
January 24 Last Day to Register
January 22 Classes Begin
February 7 Non-participation
February 8 Drop Date
April 19 Withdraw Date
May 10 Classes End

Late Start [LAT]

Date Event
February 22 Last Day to Register
February 23 Classes Begin
March 4 Non-participation
March 5 Drop Date
April 26 Withdraw Date
May 10 Classes End

1st Tri-semester [TR1]

Date Event
January 18 Last Day to Register
January 19 Classes Begin
January 24 Non-participation
January 25 Drop Date
February 15 Withdraw Date
February 22 Classes End

2nd Tri-semester [TR2]

Date Event
February 22 Last Day to Register
February 23 Classes Begin
February 28 Non-participation
March 1 Drop Date
March 29 Withdraw Date
April 5 Classes End

3rd Tri-semester [TR3]

Date Event
April 5 Last Day to Register
April 6 Classes Begin
April 11 Non-participation
April 12 Drop Date
May 3 Withdraw Date
May 10 Classes End

CO Online 15 Week Term [CZ1]

Date Event
January 21 Last Day to Register
January 19 Classes Begin
February 2 Non-participation
February 3 Drop Date
April 15 Withdraw Date
May 9 Classes End

CO Online 10 Week Term [CZ2]

Date Event
February 24 Last Day to Register
February 22 Classes Begin
March 3 Non-participation
March 4 Drop Date
April 23 Withdraw Date
May 9 Classes End

CO Online 1st Bi-semester [CZ4]

Date Event
January 21 Last Day to Register
January 19 Classes Begin
January 24 Non-participation
January 25 Drop Date
February 25 Withdraw Date
March 7 Classes End

CO Online 2nd Bi-semester [CZ5]

Date Event
March 24 Last Day to Register
March 22 Classes Begin
March 28 Non-participation
March 29 Drop Date
April 29 Withdraw Date
May 9 Classes End

Military Session I [MI1]

Date Event
January 24 Last Day to Register
January 25 Classes Begin
January 31 Non-participation
February 1 Drop Date
March 9 Withdraw Date
March 21 Classes End

Military Session II [MI2]

Date Event
February 11 Last Day to Register
February 12 Classes Begin
February 21 Non-participation
February 22 Drop Date
April 8 Withdraw Date
April 22 Classes End

Military Session III [MI3]

Date Event
March 28 Last Day to Register
March 29 Classes Begin
April 4 Non-participation
April 5 Drop Date
May 11 Withdraw Date
May 23 Classes End