CU Boulder Academic Calendar 2025-2026

The academic calendar serves as the primary source for all crucial dates and deadlines regarding course enrollment, add/drop, withdrawal, financial assistance, Colorado Opportunity Fund, tuition and bill due dates, and necessary documents. These dates are for CU Boulder Main Campus classes that run for an entire semester. See “Other CU Calendars” above for details on all other classes. To read academic calendars in their complete, click the PDF files below. CU Boulder Academic Calendar 2025-2026;

CU Boulder Academic Calendar Fall 2025/ CU Boulder Spring Break 2025

CU Housing Move-In To be announced
CU Fall Welcome To be announced
CU Fall 2025 First Day of Classes is August 21 (Thursday.)2025
Labor Day for CU Fall 2025 (campus closed)September 1 (Monday.)2025
CU Fall 2025 Tuition Due is on September 5 (Friday.)2025
CU Fall 2025 Homecoming Weekend To be announced
CU Fall 2025 Family Weekend To be announced
CU Fall Midterm Reading Day is October 9, 2025
Thanksgiving for CU Fall 2025(campus closed)November 27-28 (Thursday.-Friday.)2025
CU Fall 2025 Last Day of Classes December 5 (Fri.; campus follows Monday class schedule)
CU Fall 2025 Reading Days is December 6-7 (Saturday.–Sunday.)2025
CU Fall 2025 Final Exams start December 8-12 (Monday-Friday.)2025
CU Fall Break begins November 24–26 (Monday–Wednesday.)2025

CU Boulder Academic Calendar Spring 2026

CU Spring 2026 Housing Move-In To be Announced
Martin Luther King, Jr. Holiday for CU Spring 2026(campus closed)January 19 (Monday.)2024
CU Spring 2026 First Day of Classes is January 8 (Thursday.)2026
CU Spring 2026 Tuition Due is February 5 (Thursday.)2026
CU Spring Break (campus closed Fri., March 20)March 16-20 (Monday.-Friday.)2026
CU’s Last Day of Classes is April 24 (Fri.; campus follows Monday class schedule)2026
CU Spring 2026 Reading Day begins April 25–26 (Saturday–Sunday.)2026
CU Spring 2026 Final Exams begin April 27–May 1 (Monday.–Friday.)
The University Commencement Ceremony for CU Spring 2026 is on May 2 (Saturday.)2026
CU Spring 2026 Degree Conferral Date is May 2 (Saturday.)2026

CU Boulder Academic Calendar Summer 2026

Due dates depend on when you register for summer classes. Check your bill.

Memorial Day (Campus Closed)

May 25 (Mon.)

Independence Day (Campus Closed)

July 3 (Fri.)

Juneteenth (campus closed)

June 19 (Fri.)

Last Day of Classes

May 29 (Fri.) – Maymester

July 2 (Thurs.) – Session A

July 24 (Fri.) – Session C

August 7 (Fri.) – Sessions B & D

August 20 (Thurs.) – Augmester

Final Exams

May 29 (Fri.) – Maymester

July 2 (Thurs.) – Session A

July 24 (Fri.) – Session C

August 7 (Fri.) – Sessions B & D

August 20 (Thurs.) – Augmester

Degree Conferral Date (No Campuswide Ceremony)

August 20 (Thurs.)

CU Boulder Academic Calendar Fall 2024/CU Boulder Spring Break 2025

CU Fall 2024 Housing Move-In To be Announced
CU Fall Welcome To be announced
CU Fall 2024 First Day of Classes starts August 26 (Monday.)2024
Labor Day for CU Fall 2024(campus closed)September 2 (Monday.)2024
CU Fall 2024 Tuition Due is September 5 (Thurs.)
CU Fall 2024 Homecoming Weekend To be announced
CU Fall 2024 Family Weekend To be announced
CU Fall Break starts November 25-27 (Monday.-Wednesday.)2024
Thanksgiving for CU Fall 2024(campus closed)November 28-29 (Thursday.-Friday.)2024
CU Fall 2024 Last Day of Classes starts December 12 (Thursday.)2024
CU Fall 2024 Reading Day begins December 13 (Friday.)2024
CU Fall 2024 Final Exams start December 14-18 (Saturday.-Wednesday.)2024
CU Fall 2024 Degree Conferral Date (No Campus-Wide Ceremony)December 19 (Thursday.)2024