Academic Calendar
ACCESS at DeSales offers online courses in multiple sessions throughout the calendar year. Below are the schedules for the 2021-2022 Academic Year.
Fall Semesters
| Session 1 | 10-Week | 12-Week | 16-Week | Session 2 | |
| Start | August 23 | August 23 | August 23 | August 23 | October 18 |
| Drop/Add | August 30 | August 30 | August 30 | August 30 | October 25 |
| 80% Withdrawal | September 6 | September 6 | September 6 | September 6 | November 1 |
| 60% Withdrawal & Pass/Fail | September 13 | September 13 | September 13 | September 20 | November 8 |
| 40% Withdrawal | September 20 | September 27 | September 27 | October 4 | November 15 |
| Withdrawal Deadline | September 27 | October 12 | October 18 | November 8 | November 22 |
| End of Class | October 16 | October 30 | November 13 | December 11 | December 11 |
Wintermester
| 3-Week | |
| Start | December 20 |
| Drop/Add | December 24 |
| 80% Withdrawal | December 26 |
| 60% Withdrawal & Pass/Fail | December 31 |
| 40% Withdrawal | January 2 |
| Withdrawal Deadline | January 5 |
| End of Class | January 9 |
Spring Semesters
| Session 3 | 10-Week | 12-Week | 16-Week | Session 4 | |
| Start | January 17 | January 17 | January 17 | January 17 | March 14 |
| Drop/Add | January 24 | January 24 | January 24 | January 24 | March 21 |
| 80% Withdrawal | January 31 | January 31 | January 31 | January 31 | March 28 |
| 60% Withdrawal & Pass/Fail | February 7 | February 7 | February 7 | February 14 | April 4 |
| 40% Withdrawal | February 14 | February 21 | February 21 | February 28 | April 11 |
| Withdrawal Deadline | February 21 | March 7 | March 14 | April 4 | April 18 |
| End of Class | March 12 | March 26 | April 9 | May 7 | May 7 |
Summer Semesters
| Session 5 | Summer 1 | May Minimester | Summer 4-Week | Summer 8-Week | Session 6 | Summer 2 | |
| Start | May 16 | May 23 | May 23 | May 23 | May 23 | July 11 | July 4 |
| Drop/Add | May 23 | May 25 | May 25 | May 25 | May 30 | July 13 | July 6 |
| 80% Withdrawal | May 30 | June 1 | May 28 | May 30 | June 6 | July 20 | July 13 |
| 60% Withdrawal & Pass/Fail | June 6 | June 8 | May 31 | June 6 | June 13 | July 27 | July 20 |
| 40% Withdrawal | June 13 | June 15 | June 3 | June 9 | June 20 | August 3 | July 27 |
| Withdrawal Deadline | June 20 | June 22 | June 6 | June 15 | June 27 | August 10 | August 3 |
| End of Class | July 9 | July 2 | June 12 | June 18 | July 16 | August 20 | August 13 |