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Office of the Registrar

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Changing Your Schedule

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Once you've registered for classes, you can adjust your schedule during:

  • Your assigned enrollment dates
  • 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.

Fall 2023

  • Full Semester
  • Special Sessions

Full-Semester Calendar

These dates apply to CU Boulder Main Campus classes. For others, see "Other CU Calendars" above.

Special Session Calendars

These dates apply to CU Boulder Main Campus classes. For others, see "Other CU Calendars" above.

Spring 2023

  • Full Semester
  • Special Sessions

Full-Semester Calendar

These dates apply to CU Boulder Main Campus classes. For others, see "Other CU Calendars" above.

Special Session Calendars

These dates apply to CU Boulder Main Campus classes. For others, see "Other CU Calendars" above.

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Office of the Registrar

Regent Administrative Center, room 101
20 UCB
Boulder, CO 80309
Phone: 303-492-6970
 

More Contact Info    Staff List

Fall & Spring Hours
– Email, Phone & LiveChat: Monday–Friday, 9 a.m.–4:30 p.m. MT
– Front Desk: Monday–Friday, 9 a.m.–5 p.m. MT
 
Summer Hours
Monday–Friday, 9 a.m.–4 p.m. MT

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