Session B
June 30Ìý– July 31, 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 |
|---|---|
| June 30 | Classes begin |
| July 3 | Independence Day Observed, ¶¶ÒõÂÃÐÐÉä Boulder closed |
| July 31 | Final exams |
| August 13 | Degree conferral date |
See your syllabus for specific dates for each course.
Add/Drop/Withdrawal Deadlines
Course section numbers 200-299, 820-829, or 900-999 (independent study, thesis and doctoral dissertation hours) and BD2 session courses.Ìý
| Date | Milestone | Additional Information |
|---|---|---|
| July 1 (11:59 p.m.) | Last day to join a waitlist | Use . |
| July 1 (11:59 p.m.) | Last day to add a class | Use . |
| July 2Ìý | Class waitlists are canceledÌý | Waitlisted students lose access to online course materials. |
| July 6 (11:59 p.m.) | Last day to drop a class without penalty | Use Ìýor .ÌýNo tuition and fees are assessed; W notations do not post to transcripts. |
| July 6 (11:59 p.m.) | Last day to drop all enrolled classes (i.e., withdraw) without penalty | Use Ìýor .ÌýNo tuition and fees are assessed; W notations do not post to transcripts. |
| July 6 (11:59 p.m.) | Last day to change variable credit hours | Use Ìýor . |
| July 6 (11:59 p.m.) | Last day to request to take a class for no credit (audit) | Submit an . |
| July 21 (11:59 p.m.) | Last day to drop a class | Use Ìýor . Full tuition and fees are assessed; W notations post to transcripts.Ìý |
| July 21 (11:59 p.m.) | Last day to drop all enrolled classes (i.e., withdraw) without a dean's signature | Use Ìýor . Full tuition and fees are assessed; W notations post to transcripts.Ìý |
| July 21 (11:59 p.m.) | Last day to change a class's grade mode to or from pass/fail | Use Ìýor . |
| July 28 | Last day to petition to add a class late | Contact the course department. |
| July 30 (11:59 p.m.) | Last day to request a Session B withdrawalÌý | Submit an online withdrawal form.ÌýFull tuition and fees are assessed; W notations post to transcripts. |
See the withdrawal section if you are dropping all of your classes in Session B.
Tuition
Bills for tuition and fees are available in Buff Portal by the second ThursdayÌýof 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/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.