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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.

Service alert

Please note that online campus services (including enrollment transactions in Class Search) will be unavailable Oct. 6-9 due to a systemwide outage.