Friday, May 16
| All Day | Restricted schedule changes (pre-session) |
Monday, May 19
| All Day | Last day to delete a course or totally withdraw with 100% refund/credit (pre-session) |
| All Day | Restricted schedule changes (pre-session) |
Thursday, May 22
| All Day | Last day to drop classes (pre-session) |
| All Day | Last day to make a total University withdrawal (pre-session) |
Friday, May 23
| 5:00 PM - 10:00 PM | WIU Alumni & Friends Pre-Performance Social and Wind Ensemble Performance at Carnegie Hall |
Monday, May 26
| All Day | Memorial Day Holiday, University Closed |
Friday, May 30
| All Day | Pre-session ends |
Monday, June 2
| All Day | Classes begin (8-week, 6-week and first 4-week) |
| All Day | Open registration and schedule changes (any upcoming session) |
