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Summer Session 2025

Earn the credit you need during the summer to keep advancing your degree. CU Boulder welcomes current, visiting, and high school students who want to take advantage of popular courses taught by CU Boulder's top faculty during a series of convenient, short terms. Customize a schedule that works for you.

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Summer 2025 Schedule


Maymester:

May 12 - May 30

 

Session A:

June 2 - July 3

 

Session B:

July 8 - August 8

 

Session C:

June 2 - July 25

 

Session D:

June 2 - August 8

 

Augmester:

August 4 - August 20

 

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Featured Stories and Information

There’s Still Time to Enroll in Summer Session 2025

Choose from hundreds of courses and earn the credit you need.

Summer Guide to the Libraries: Student Edition

Explore the ways University Libraries can help make your summer the best it can be! Whether you need to hustle on your research project or relax with a great book or show, this guide has got you covered.

Summer 2025 Information and Resources for Advisors

Summer Session 2024 is rapidly approaching. When discussing summer with your students, you may find that they are unaware of all the benefits of Summer Session. Check out this article with information that can help you better guide your students this summer.

What are the Benefits of Summer Session?

Explore how you can use your summer to the fullest before enrollment begins.

Apply for the 2025 Summer Session Online Teaching Academy

Applications are now being accepted for the 2025 Summer Session Online Teaching Academy.

Summer Courses Are Now Available to Search

Make your plan for Summer Session 2025

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Connect with Us

Thank you for your interest in Summer Session. Fill out the below form to get periodic updates and reminders about important summer dates. If you have questions, a member of our Summer Session team will contact you.

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Important Dates

March 5, 2025
Summer Session registration begins

May 12, 2025
Maymester session classes begin

June 2, 2025
Session A, C, and D classes begin

July 8, 2025
Session B classes begin

August 4, 2025
Augmester classes begin

 

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