Session A
May 26Ìý– June 26, 2026
Ìý
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 Non-degree students |
Session Course Schedule
| Date | Important Event |
|---|---|
| May 26 | Classes begin |
| June 19 | Juneteenth Holiday, ¶¶ÒõÂÃÐÐÉä Boulder closed |
| June 26 | Final exams |
| August 13 | Degree conferral date |
See your syllabus for specific dates for each course.
Add/Drop/Withdrawal Deadlines
Course section numbers 100-199 or 810-819
| Date | Milestone | Additional Information |
|---|---|---|
| May 27 (11:59 p.m.) | Last day to join a waitlist | Use . |
| May 27 (11:59 p.m.) | Last day to add a class | Use . |
| May 28 | Class waitlists are canceledÌý | Waitlisted students lose access to online course materials. |
| May 29 (11:59 p.m.) | Last day to drop a class without penalty | UseÌýÌýorÌý. No tuition and fees are assessed; W notations do not post to transcripts. |
| May 29 (11:59 p.m.) | Last day to drop all enrolled classes (i.e., withdraw) without penalty | UseÌýÌýorÌý. No tuition and fees are assessed; W notations do not post to transcripts. |
| May 29 (11:59 p.m.) | Last day to change variable credit hours | Use Ìýor . |
| May 29 (11:59 p.m.) | Last day to request to take a class for no credit (audit) | Submit an . |
| June 15 (11:59 p.m.) | Last day to drop a class | Use Ìýor .ÌýFull tuition and fees are assessed; W notations post to transcripts.Ìý |
| June 15 (11:59 p.m.) | Last day to drop all enrolled classes (i.e., withdraw) without a dean's signature | Use Ìýor .ÌýFull tuition and fees are assessed; W notations post to transcripts.Ìý |
| June 15 (11:59 p.m.) | Last day to change a class's grade mode to or from pass/fail | Use Ìýor .Ìý |
| June 23 | Last day to petition to add a class late | Contact the course department. |
| June 25 (11:59 p.m.) | Last day to request a Session A withdrawalÌý | Submit an online withdrawal form. Full tuition and fees are assessed; W notations post to transcripts. |
See the withdrawal section if you are dropping all of your classes in Session A.
Tuition
Bills for tuition and fees are available in Buff PortalÌýby the second Thursday of each month depending on your registration date.ÌýPayments are due on the 5thÌýday of the following month. See the Tuition and Financial Aid sectionÌýfor detailed information.ÌýÌý
| 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. SeeÌýtheÌýBursar's OfficeÌýwebsite for additional details.