Calendar
The following dates are subject to change as the university makes decisions regarding the 2026–2027 academic year. Changes will be posted online on the School of the Environment’s website.
Fall 2026
| Aug. 14 | F | International Student Orientation |
| Aug. 17–20 | M–Th | Orientation events and MODs for all incoming students |
| Aug. 24 | M | Fall 2026 course registration opens |
| Aug. 24–27 | M–TH | Orientation events and MODs for all incoming students |
| Sept. 1 | Tu | Orientation events for all incoming students Community Day for all YSE students Fall 2026 course registration deadline |
| Sept. 2 | W | Fall full-term and Fall-1 courses begin |
| Sept. 7 | M | Labor Day; classes do not meet (make-up classes are managed separately by each course and are not centrally scheduled) |
| Sept. 15 | Tu | Last day to add a Fall-1 or full-semester course |
| Sept. 22 | Tu | Last day to drop a Fall-1 course without penalty |
| Oct. 9 | F | Fall-1 courses end |
| Oct. 12 | M | Fall-1 final examinations begin |
| Oct. 16 | F | Fall-1 final examinations end |
| Oct. 20 | Tu | Midterm Last day to drop a full-semester course without penalty October recess begins, 7:30 p.m. |
| Oct. 23 | F | Last day to add a Fall-2 course |
| Oct. 26 | M | Fall-2 classes begin Full-term classes resume, 8:30am |
| Nov. 9 | M | Last day to drop a Fall-2 course without penalty |
| Nov. 20 | F | November recess begins, 7:30 p.m. |
| Nov. 30 | M | Classes resume, 8:30 a.m. |
| Dec. 11 | F | Classes end; reading period begins, 5:30 p.m. Last day to withdraw from a Fall-2 or full-semester course with penalty, 5 p.m. |
| Dec. 15 | Tu | Final examinations begin, 9 a.m. |
| Dec. 22 | Tu | Final examinations end Winter recess begins, 5 p.m. |
Spring 2027
| Jan. 4 | M | Fall-term grades due |
| Jan. 11 | M | Spring 2027 registration opens, 8 a.m. |
| Jan. 18 | M | Martin Luther King Jr. Day; classes do not meet (make-up classes are managed separately by each course and are not centrally scheduled) Spring 2027 course registration deadline |
| Jan. 19 | Tu | Spring full-term and Spring-1 courses begin, 8:30 a.m. |
| Jan. 29 | F | Last day to add a Spring-1 or full-semester course |
| Feb. 1 | M | Last day to drop from a Spring-1 course without penalty, 5 p.m. |
| Feb. 26 | F | Spring-1 courses end, 7:30 p.m. |
| Mar. 1 | M | Spring-1 final examinations begin |
| Mar. 5 | F | Midterm Spring-1 final examinations end Spring recess begins, 7:20 p.m. Last day to drop a Spring-2 or full-semester course without penalty |
| Mar. 22 | M | Courses resume, 8:30 a.m. Spring-2 courses begin |
| Apr. 2 | F | Last day to drop a Spring-2 course |
| Apr. 30 | F | Classes end; reading period begins, 5:30 p.m. Last day to withdraw from Spring-2 or full-term course with penalty, 5 p.m. |
| May 5 | W | Final examinations begin, 7 p.m. |
| May 12 | W | Final examinations end Spring-2 and spring full-term ends, 5:30 p.m. |
| May 18 | Tu | Spring-term grades due for graduating students |
| May 24 | M | University Commencement |
| June 1 | Tu | Spring-term grades due for continuing students |