June 1 – August 7, 2020

Registration Begins

Date Student Group
March 4 Continuing degree students
See Enrollment Dates
March 9 Readmitted degree students
New undergraduate degree students
New graduate degree students
Nondegree students

Session Course Schedule

Date Important Event
June 1 Classes begin
July 3 Independence Day, CU Boulder closed
August 7 Final exams
August 20 Degree conferral date

See your syllabus for specific dates for each course.

Add/Drop/Withdrawal Deadlines

Course section numbers 400–499 or 840–849
Note: Section numbers 900–999 (independent study, thesis, and doctoral dissertation hours) use the session B deadlines

Date Milestone Additional Information
June 2 (11:59 p.m.) Deadline to be added to a class waitlist  
June 3 (4:30 p.m.) Waitlists are canceled  
June 10 (11:59 p.m.) Deadline to change grading basis Change to pass/fail or no credit status through Buff Portal
June 10 (11:59 p.m.) Deadline to add a class  
June 10 (11:59 p.m.) Deadline to drop a class without penalty through Buff Portal No W grade recorded or tuition assessed
July 14 (11:59 p.m.) Final deadline to drop individual classes through Buff Portal W grade recorded and full tuition and fees assessed 
July 14 (11:59 p.m.) Last day to request grade replacement Submit an online grade replacement request
July 27 Late add deadline Contact the course department
August 6 Last day to petition to late drop individual classes Instructor’s and dean’s signature required
August 6 Last day to request a full term withdraw Submit an online withdrawal form

See the withdrawal section if you are dropping all of your classes in Session D.


Bills for tuition and fees are available in Buff Portal by the second Thursday of each month depending on your registration date. Payments are due on the fifth day of the following month. See the Tuition and Financial Aid section for detailed information.  

Registration for Any Session by/between Billing Available Tuition Due
May 12 May 14 June 5
May 13 – June 9 June 11 July 5
June 10 – July 7 July 9 August 5
July 8 – August 11 August 13 September 5
August 12 – September 8 September 10 October 5

Specific due dates are listed on your bill. Students can log in to Buff Portal anytime and view their billing information. See the Bursar's Office website for additional details.