Dec 06, 2025

2025-2026 Catalog

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2025-2026 Catalog

Academic Calendar

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

Summer 2025 [202610]

Important Dates

March 10	Registration Begins
July 15	Graduation Application Deadline

Holidays/Special Days

May 26	Memorial Day Holiday, Campuses Closed
June 19	Juneteenth, Campuses Closed
July 4	Independence Day Holiday, Campuses Closed

Full Semester 10 Week Term [F10]

May 29	Last Day to Register
May 27	Classes Begin
June 5	Drop Date
July 22	Withdraw Date
August 3	Classes End

1st Bi-semester [BI1]

May 26	Last Day to Register
May 27	Classes Begin
June 2	Drop Date
June 23	Withdraw Date
June 30	Classes End

2nd Bi-semester [BI2]

June 30	Last Day to Register
July 1	Classes Begin
July 7	Drop Date
July 28	Withdraw Date
August 3	Classes End

Weekend Start [WKC]

June 1	Last Day to Register
May 30	Classes Begin
June 9	Drop Date
July 21	Withdraw Date
August 3	Classes End

1st Tri-semester [TR1]

May 26	Last Day to Register
May 27	Classes Begin
May 29	Drop Date
June 13	Withdraw Date
June 18	Classes End

2nd Tri-semester [TR2]

June 18	Last Day to Register
June 19	Classes Begin
June 23	Drop Date
July 7	Withdraw Date
July 11	Classes End

3rd Tri-semester [TR3]

July 11	Last Day to Register
July 12	Classes Begin
July 14	Drop Date
July 29	Withdraw Date
August 3	Classes End

Colorado Online 10 Week Term [CZ2]

May 29	Last Day to Register
May 27	Classes Begin
June 5	Drop Date
July 22	Withdraw Date
August 3	Classes End

Colorado Online 7 Week Term [CZ4]

June 18	Last Day to Register
June 16	Classes Begin
June 23	Drop Date
July 24	Withdraw Date
August 3	Classes End

Military Session I [MI1]

June 8	Last Day to Register
June 9	Classes Begin
June 16	Drop Date
July 22	Withdraw Date
August 3	Classes End

Fall 2025 [202620]

Important Dates

March 10	Registration Begins
November 15	Graduation Application Deadline

Holidays/Special Days

September 1	Labor Day Holiday, Campuses Closed
September 2	Campuses Open - No classes
November 26	Campuses Open - No classes
November 27	Thanksgiving Holiday, Campuses Closed
November 28-30	Campuses Open - No classes
December 25-January 1	Campuses Closed

Full Semester 15 Week Term [F15]

August 20	Last Day to Register
August 18	Classes Begin
September 3	Drop Date
November 13	Withdraw Date
December 7	Classes End

Full Semester 12 Week Term [F12]

September 11	Last Day to Register
September 10	Classes Begin
September 22	Drop Date
November 19	Withdraw Date
December 7	Classes End

1st Bi-semester [BI1]

August 17	Last Day to Register
August 18	Classes Begin
August 25	Drop Date
September 30	Withdraw Date
October 12	Classes End

2nd Bi-semester [BI2]

October 12	Last Day to Register
October 13	Classes Begin
October 20	Drop Date
November 25	Withdraw Date
December 7	Classes End

Weekend Start [WKC]

August 24	Last Day to Register
August 22	Classes Begin
September 8	Drop Date
November 17	Withdraw Date
December 7	Classes End

Late Start [LAT]

September 23	Last Day to Register
September 24	Classes Begin
October 6	Drop Date
November 24	Withdraw Date
December 7	Classes End

1st Tri-semester [TR1]

August 17	Last Day to Register
August 18	Classes Begin
August 22	Drop Date
September 15	Withdraw Date
September 23	Classes End

2nd Tri-semester [TR2]

September 23	Last Day to Register
September 24	Classes Begin
September 29	Drop Date
October 21	Withdraw Date
October 28	Classes End

3rd Tri-semester [TR3]

October 28	Last Day to Register
October 29	Classes Begin
November 3	Drop Date
December 1	Withdraw Date
December 7	Classes End

CO Online 15 Week Term [CZ1]

August 20	Last Day to Register
August 18	Classes Begin
September 3	Drop Date
November 13	Withdraw Date
December 7	Classes End

CO Online 10 Week Term [CZ2]

September 24	Last Day to Register
September 22	Classes Begin
October 2	Drop Date
November 21	Withdraw Date
December 7	Classes End

CO Online 1st Bisemester [CZ4]

August 20	Last Day to Register
August 18	Classes Begin
August 25	Drop Date
September 25	Withdraw Date
October 5	Classes End

CO Online 2nd Bisemester [CZ5]

October 15	Last Day to Register
October 13	Classes Begin
October 20	Drop Date
December 1	Withdraw Date
December 7	Classes End

Military Session I [MI1]

August 24	Last Day to Register
August 25	Classes Begin
September 2	Drop Date
October 7	Withdraw Date
October 19	Classes End

Military Session II [MI2]

September 12	Last Day to Register
September 13	Classes Begin
September 22	Drop Date
November 7	Withdraw Date
November 21	Classes End

Military Session III [MI3]

September 19	Last Day to Register
September 20	Classes Begin
October 27	Drop Date
December 2	Withdraw Date
December 14	Classes End

Spring 2026 [202630]

Important Dates

October 27	Registration Begins
February 15	Graduation Application Deadline

Holidays/Special Days

March 23-March 29	Spring Break, Campuses Open - No classes
May 16	Graduation Ceremony

Full Semester 15 Week Term [F15]

January 22	Last Day to Register
January 20	Classes Begin
February 4	Drop Date
April 16	Withdraw Date
May 11	Classes End

Full Semester 12 Week Term [F12]

February 8	Last Day to Register
February 9	Classes Begin
February 23	Drop Date
April 22	Withdraw Date
May 11	Classes End

1st Bi-semester [BI1]

January 19	Last Day to Register
January 20	Classes Begin
January 27	Drop Date
March 3	Withdraw Date
March 14	Classes End

2nd Bi-semester [BI2]

March 14	Last Day to Register
March 15	Classes Begin
March 25	Drop Date
April 29	Withdraw Date
May 11	Classes End

Weekend Start [WKC]

January 25	Last Day to Register
January 23	Classes Begin
February 9	Drop Date
April 20	Withdraw Date
May 11	Classes End

Late Start [LAT]

February 23	Last Day to Register
February 24	Classes Begin
March 6	Drop Date
April 27	Withdraw Date
May 11	Classes End

1st Tri-semester [TR1]

January 19	Last Day to Register
January 20	Classes Begin
January 26	Drop Date
February 16	Withdraw Date
February 23	Classes End

2nd Tri-semester [TR2]

February 23	Last Day to Register
February 24	Classes Begin
March 2	Drop Date
March 30	Withdraw Date
April 6	Classes End

3rd Tri-semester [TR3]

April 6	Last Day to Register
April 7	Classes Begin
April 13	Drop Date
May 4	Withdraw Date
May 11	Classes End

CO Online 15 Week Term [CZ1]

January 22	Last Day to Register
January 20	Classes Begin
February 4	Drop Date
April 16	Withdraw Date
May 10	Classes End

CO Online 10 Week Term [CZ2]

February 25	Last Day to Register
February 23	Classes Begin
March 5	Drop Date
April 24	Withdraw Date
May 10	Classes End

CO Online 1st Bi-semester [CZ4]

January 22	Last Day to Register
January 20	Classes Begin
January 26	Drop Date
February 26	Withdraw Date
March 8	Classes End

CO Online 2nd Bi-semester [CZ5]

March 25	Last Day to Register
March 23	Classes Begin
March 30	Drop Date
April 30	Withdraw Date
May 10	Classes End

Military Session I [MI1]

January 25	Last Day to Register
January 26	Classes Begin
February 2	Drop Date
March 10	Withdraw Date
March 22	Classes End

Military Session II [MI2]

February 13	Last Day to Register
February 14	Classes Begin
February 24	Drop Date
April 15	Withdraw Date
May 1	Classes End

Military Session III [MI3]

February 8	Last Day to Register
February 9	Classes Begin
March 17	Drop Date
April 27	Withdraw Date
May 10	Classes End

Military Session IV [MI4]

March 29	Last Day to Register
March 30	Classes Begin
April 6	Drop Date
May 12	Withdraw Date
May 24	Classes End