| August 16 |
Fall registration opens |
| September 17 | Fall registration closes |
| October 15 | Last day to drop a fall dual credit course and receive a 100% refund |
| November 12 | Last day to drop a fall dual credit course with a 50% refund |
| November 19 | Last day to drop an all-year dual credit course with a 100% refund |
| December 17 | Last day to drop a fall dual credit course and avoid a failing grade |
| September 6 |
Labor Day |
| November 24-28 | Thanksgiving |
| December 22-January 4 | Winter break |
| January 5 | Spring registration opens |
| February 4 | Spring registration closes |
| February 4 | Last day to drop an all-year dual credit course with a 50% refund and a "W" |
| March 11 | Last day to drop a spring dual credit course with a 100% refund and a "W" |
| April 8 | Last day to drop a spring dual credit course with a 50% refund and a "W" |
| May 6 | Last day to drop an all-year dual credit course and avoid a failing grade |
| May 20 | Last day to drop a spring dual credit course and avoid a failing grade |
| January 17 | Martin Luther King Jr. Day |
| February 21 | President's Day |
| April 15-17 | Spring Holiday |
| May 9 | Summer registration open |
| June 10 | Summer registration closes |
| July 8 | Last day to drop a summer dual credit course with 100% refund |
| July 29 | Last day to drop a summer dual credit course with a 50% refund with a "W" |
| August 5 | Last day to drop a summer dual credit course and avoid a failing grade |
| May 30 | Memorial Day |
Explore what Missouri State has to offer you after high school graduation