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USE YOUR SUMMER TO THE FULLEST
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.
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.
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