Critical Dates
Critical Dates and Deadlines, 2025-2026
This schedule is a supplement to the Colby Academic Calendar. Responsibility for meeting deadlines rests with the student; the Registrar’s Office has no authority to grant exceptions. Schedule is subject to change.
| Sept 3 | Wed | First day of fall classes |
| Sep 9 | Tues | Last day to add a course |
| Sep 19 | Fri | Last day to drop a course; Last day to declare or revoke Satisfactory/Unsatisfactory grading option; Last day to add extra credit in a variable-credit course |
| Oct 13 – 14 | Fall recess (no classes) | |
| Oct 20 – Nov 7 | Jan Plan and Spring Advising Period | |
| Oct 27 – Nov 20 | Selection of courses for January Program | |
| Nov 10 – 20 | Selection of spring classes | |
| Nov 14 | Fri | Last day to withdraw from a course (W noted on transcript) |
| Nov 20 | Fri | Jan Plan registration deadline; Last day to submit final exam conflict postponement form to Registrar |
| Nov 22-30 | Thanksgiving recess (no classes) | |
| Dec 5 | Fri | Last day of fall classes; Last day to reduce credit in a variable-credit course; Last day for students to request an incomplete grade |
| Dec 10 – 15 | Final examination period | |
| Jan 5 | Mon | Fall grades due (submitted grades will be visible to students on Web at 12:01 a.m. on Wednesday, the 7th |
| Jan 6 | Tues | First day of January Program |
| Jan 8 | Thu | Last day to add January Program (only for students who confirmed registration by November 20) |
| Jan 12 | Mon | Last day to drop January Program (only for students who confirmed registration by November 20); Last day to declare or revoke Satisfactory/Unsatisfactory grading option; Last day to increase credit in variable-credit course |
| Jan 15 | Thurs | Fall incomplete course work due to instructor (unless instructor specified an earlier deadline) |
| Jan 22 | Thurs | Fall incomplete grades due to Registrar (or within one week of work deadline) |
| Jan 29 | Thu | Last day of January Program; Last day to reduce credit in a variable-credit course |
| Feb 4 | Wed | First day of spring classes |
| Feb 10 | Tues | Last day to add a course |
| Feb 11 | Wed | January grades due (visible to students on Web at 12:01 a.m. on Friday, the 13th) |
| Feb 20 | Fri | Last day to drop a course; Last day to declare or revoke Satisfactory/Unsatisfactory declaration; Last day to add extra credit in a variable-credit course |
| March 16 | Mon | Initial Program of Study (major) declarations due |
| March 20 | Fri | Change of program (majors/minors/concentrations) due |
| Mar 21 – 29 | Spring recess (no classes) | |
| Apr 6 | Mon | Fall 2026 Curriculum Published |
| Apr 13-24 | Fall 2026 Advising Period | |
| Apr 24 | Fri | Last day to withdraw from a course (W grade noted on transcript) |
| Apr 27 – 29 | Selection of courses for fall semester, by class year | |
| April 30 | Thu | Colby Liberal Arts Symposium – Thursday classes move to Friday, May 1 |
| May 1 | Fri | Thursday classes meet – Friday classes are cancelled; Last day to submit final exam conflict/postponement form to Registrar |
| May 8 | Fri | Last day of spring classes; Last day to reduce credit in a variable-credit course; Last day for students to request an incomplete grade |
| May 13 – 18 | Final examination period | |
| May 20 | Wed | 5:00 p.m. – Absolute deadline for senior grades (due 48 hours after final examination) |
| May 24 | Sun | Commencement |
| May 26 | Tues | All other spring grades due (visible to students on Web at 12:01 a.m. on Thursday, the 28th) |
| Jun 9 | Tues | Spring incomplete coursework due (unless instructor specified an earlier deadline) |
| Jun 16 | Tues | Incomplete grades due (or within one week of work deadline) |
Schedule is subject to change.
Revised 7/10/2025