Add & Drop Calendars
Changing Your Schedule
Once you've registered for classes, you can adjust your schedule during:
- The schedule adjustment period in August (fall registration only)
- The open enrollment period
Please note: Dropping all of your Main Campus classes constitutes withdrawal, which has a different impact on your tuition and fees. See the withdrawal calendar for details.
Full-Semester Calendar
These dates apply to CU Boulder Main Campus classes. For others, see "Other CU Calendars" above.
Fall 2024
Spring 2025
Special Session Calendars
These dates apply to CU Boulder Main Campus classes. For others, see "Other CU Calendars" above.