Dates and Deadlines
Winter Session 2027Ìý
(Monday, December 14, 2026 – Monday, January 4, 2027)Ìý
Course section numbers 013W – 014W 
Ìý
Monday, October 12Ìý
Winter SessionÌýcourses available to search 
 
Monday, November 2
(12:01 a.m.)
Winter Session registration opens Ìý
UseÌý orÌý.
All current students may enroll in Continuing Education (CE) classes, which includes Winter Session, starting on this date, regardless of your assigned Main Campus enrollment dates.
Saturday, December 12
(12:01 a.m.)
Winter Session courses are viewable in Canvas for waitlisted and enrolled students
Ìý
Monday, December 14
(12:01 a.m.)
Classes begin
Ìý
Monday, December 14
(11:59 p.m.)
Last day to join a waitlist 
Last day to add a class
UseÌý Ìý
Monday, December 14Ìý
(11:59 p.m.)
Last day for waitlist auto-enrollment
The system will auto-enroll students in their waitlisted course if a seat becomes available, they are eligible and next on the waitlist prior to this deadline.ÌýÌý
Starting Dec. 15 at 12:01 a.m., students on the waitlist are no longer auto enrolled in the course and late add approval from the instructor is required at this time to be enrolled in the course. Approval is not guaranteed and is up to the discretion of the instructor. You will need to fill out a and attach the instructor approval to be added to the course. If granted approval, while completing the CE Course Request form, under Course Information > select Spring and Year > 2027. Deadline December 15 at 11:59 p.m.
Tuesday, December 15
Class waitlists are canceled
Waitlisted students lose access to online course materials within 48 hours of being dropped.
Tuesday, December 15
(11:59 p.m.)
Last day to submit instructor approval for a late add
Contact the course instructor. If approved, attach emailed approval to a . Approval is rarely granted and is at the discretion of the instructor.
Thursday, December 17
(11:59 p.m.)
Last day to drop an individual class without penalty*
For directions on how to drop a class, refer to the Office of the Registrar's page Drop a Class; no W notation is recorded or tuition assessed .
Important:ÌýIfÌýyou are having trouble dropping a course in Buff Portal, please forward your drop request to ceregistration@colorado.edu for assistance. Email requests received by the deadline will be honored.
Saturday, December 19
(11:59 p.m.)
Last day to drop with 60% tuition adjustment*
For directions on how to drop a class, refer to the Office of the Registrar's page Drop a Class; a W notation is recorded and 60% tuition refunded.
Monday, December 28
(11:59 p.m.)
Last day to drop a Winter Session class via Buff Portal**
For directions on how to drop a class, refer to the Office of the Registrar's page Drop a Class; a W notation is recorded and full tuition and fees are assessed .
Monday, December 28
(11:59 p.m.)
Last day to change a class's grade mode to or from pass/fail 
This change can be made using , Ìýor by emailing ceregistration@colorado.edu.Ìý
Sunday, January 3
(11:59 p.m.)
Last day to withdraw from all courses in the session^
Students can submit their request via the  online withdrawal form or by emailing ceregistration@colorado.edu; a W notation is recorded and full tuition and fees are assessed.
Important:ÌýIf you are only in one Winter Session class, this is the most common action.
Sunday, January 3
(11:59 p.m.)
Last day to petition to drop individual classes late 
A W notation is recorded and full tuition and fees are assessed.ÌýÌý
Students with questions about petitioning should connect with their college and academic advisor or schedule an appointment with a to discuss further.
Students who withdrew due to extenuating circumstances may be eligible toÌý for financial consideration and should connect with aÌý to discuss further.
Important:ÌýThis is uncommon and only applies if you are in more than oneÌýWinter Session course.
Monday, January 4
Classes end
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Important:If you are having trouble dropping a course in Buff Portal, please forward your drop request to ceregistration@colorado.edu for assistance.
* Students may be eligible for a possible .
** Drop by 11:59 p.m. online using . If you are concerned that your drop request on Buff Portal may not have gone through correctly, please emailÌý ceregistration@colorado.eduÌýbefore the deadline to request to be dropped from your course. A notation of W will appear on your transcript.Ìý
^ Withdraw from all Winter Session courses between December 29 through January 3, 2027 (11:59 p.m.) by emailing ceregistration@colorado.edu or submitting the online withdrawal form. A notation of W will appear on your transcript and there is no refund.
is designed to provide students who experience unavoidable, extenuating circumstances, the opportunity to waive a University policy that, if enforced, would result in unsatisfactory academic progress or financial consequences. Students with questions about petitioning should connect with their college and academic advisor or schedule an appointment with aÌýÌýto discuss further. Students who withdrew due to extenuating circumstances may be eligible toÌýÌýfor financial consideration and should connect with a Ìýto discuss further.
Grade replacement is applied automatically at the end of each term for eligible courses and students. More information on retaking a course for grade replacement can be found on the Office of the Registrar’s site here.Ìý