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Welcome to CU Boulder Class Search

Search for classes, add classes to your cart, drop classes and change your grade mode here. Classic registration is also still available.

CU’s Grade Replacement policy has been updated to benefit more students. Schedule an advising appointment to discuss or read more about retaking a course for grade replacement.

Having trouble? See the Office of the Registrar webpage on common enrollment errors & troubleshooting tips.

Spring 2024 Class Schedule Update

Due to the recent systemwide outage, we anticipate a small increase in the number of adjustments to the Spring 2024 schedule of classes through Monday, Oct. 16.