Maymester

May 4Ìý–Ìý21, 2026

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Registration Begins

DateStudent Group
March 4Continuing degree students
See Enrollment Dates
March 9Readmitted degree students
New graduate degree students
Non-degree students

Session Course Schedule

DateImportant Event
May 4Classes begin
May 21Final exams
May 25Memorial Day, ¶¶ÒõÂÃÐÐÉä Boulder closed
August 13Degree conferral date

See your syllabus for specific dates for each course.


Add/Drop/Withdrawal Deadlines

DateMilestoneAdditional Information
May 4 (11:59 p.m.)Last day to join a waitlistUse .
May 4 (11:59 p.m.)Last day to add a classÌýUse .Ìý
May 5Class waitlists are canceledÌýWaitlisted students lose access to online course materials.
May 5 (11:59 p.m.)Last day to drop a class without penaltyUse Ìýor . No tuition and fees are assessed; W notations do not post to transcripts.
May 5 (11:59 p.m.)Last day to change variable credit hoursUse Ìýor .
May 5 (11:59 p.m.)Last day to request to take a class for no credit (audit)Submit an .
May 14 (11:59 p.m.)Last day to drop a Maymester classUseÌý or . Full tuition and fees are assessed; W notations post to transcripts.
May 14 (11:59 p.m.)Last day to change a class's grade mode to or from pass/failUseÌý or .
May 18Last day to petition to add a class lateContact the course department.
May 20 (11:59 p.m.)Last day to request a Maymester session withdrawalÌýSubmit anÌýonline withdrawal form. Full tuition and fees are assessed; W notations post to transcripts.

See the withdrawal section if you are dropping your classÌýin Maymester.


Tuition

Bills for tuition and fees are available in Buff Portal by the second Thursday of each month depending on your registration date.ÌýPayments are due on the 5th day of the following month. See the Tuition and Financial Aid sectionÌýfor detailed information.ÌýÌý

Registration for Any Session by/betweenBilling AvailableTuition Due
May 12May 14June 5
May 13 – June 9June 11July 5
June 10 – July 7July 9August 5
July 8 – August 11August 13September 5
August 12 – September 8September 10October 5

Specific due dates are listed on your bill. Students can log in to Buff Portal anytime and view their billing information. SeeÌýtheÌýBursar's OfficeÌýwebsite for additional details.