Home
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
Apply for the 2025 Summer Session Online Teaching Academy
Applications are now being accepted for the 2025 Summer Session Online Teaching Academy.
There’s Still Time to Enroll in Summer Session 2024
Choose from hundreds of courses and earn the credit you need.
The Benefits of Summer Session
Did you know that thousands of students enroll in summer classes each year? As you start to plan your summer, consider the benefits of taking one or two summer classes during convenient, short sessions offered between May and August.
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.
* Indicates required field
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