June 1 – July 2, 2021
|March 3||Continuing degree students
See Enrollment Dates
|March 8||Readmitted degree students
New undergraduate degree students
New graduate degree students
|May 31||Memorial Day, CU Boulder closed|
|June 1||Classes begin|
|July 3||Independence Day, CU Boulder closed|
|July 2||Final exams|
|August 19||Degree conferral date|
See your syllabus for specific dates for each course.
|June 2 (11:59 p.m.)||Last day to join a waitlist||Use CU Boulder Class Search|
|June 3 (4:30 p.m.)||Class waitlists are canceled||Waitlisted students lose access to online course materials|
|June 4 (11:59 p.m.)||Last day to add a class||Use CU Boulder Class Search|
|June 4 (11:59 p.m.)||Last day to drop an individual class without penalty||Use CU Boulder Class Search or Buff Portal; no W grade is recorded or tuition assessed|
|June 4 (11:59 p.m.)||Last day to request to take a class for no credit (audit)||Submit an online no-credit request|
|June 21 (11:59 p.m.)||Last day to drop an individual class||Use CU Boulder Class Search or Buff Portal; a W grade is recorded and full tuition and fees are assessed|
|June 21 (11:59 p.m.)||Last day to change a class's grade mode to or from pass/fail||Use CU Boulder Class Search or Buff Portal|
|June 21 (11:59 p.m.)||Last day to request grade replacement if retaking a course||Submit an online grade replacement request|
|June 28||Last day to petition to add a class late||Contact the course department|
Last day to petition to drop individual classes late
Instructor’s and dean’s signatures required; a W grade is recorded and full tuition and fees are assessed
|July 1||Last day to request a full term withdrawal||Submit an online withdrawal form|
See the withdrawal section if you are dropping all of your classes in Session A.
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 11||May 13||June 5|
|May 12 – June 8||June 10||July 5|
|June 9 – July 13||July 15||August 5|
|July 14 – August 10||August 12||September 5|
|August 17 – September 7||September 9||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.