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Dear [first],

Welcome to the 2024–25 academic year at CU Boulder! Please keep in mind the following key dates. Deadlines occur at 11:59 p.m. Mountain Time unless otherwise noted.

These dates apply to Main Campus classes that follow the full-semester start and end dates (Aug. 26–Dec. 12, 2024). For other calendars, see our academic calendar webpage.*

Monday, Sept. 2

• Labor Day holiday (no classes; university closed)

Wednesday, Sept. 4

• Last day to add a class, swap a class or join a waitlist for a closed class.
• Last day to be automatically enrolled from a waitlist.
• Last day to pay your tuition & fee bill.

Tuesday, Sept. 10

• Last day to pay your tuition & fee bill.

Wednesday, Sept. 11

• Last day to drop a class without penalty.
• Last day to withdraw from the semester without tuition charges and W grades; a $200 withdrawal fee applies.
• Last day to change .

Friday, Sept. 15

• Last day to enroll in or waive student health insurance coverage.

Monday, Sept. 18

• Waitlists are canceled. Students still on the waitlist lose access to that class's online materials, but may be eligible to in the course the next time it's offered.

Friday, Nov. 1

• Last day to drop a class; W grades will apply.
• Last day to .

Monday, Nov. 25–Friday, Nov. 29

• Fall break (no classes; university closed Nov. 28 & 29).

Thursday, Dec. 12

• Last day of classes.
• Last day to withdraw from the semester.

Saturday, Dec. 14–Wednesday, Dec. 18

• Final exams.

* If you’re enrolled in any class that doesn’t meet for the full 16 weeks, it’s a special session class. Special session classes follow different deadlines than full-semester classes (view the special session calendar). To check the session and view key dates for one of your classes, go to the card in Buff Portal. Select a class to view session information and the “Drop/Swap/Edit This Class” button for related deadlines.

Office of the Registrar | University of Colorado Boulder
303-492-6970 | registrar@colorado.edu