| 2020-21 Academic Year | |
| Summer | |
| F and Y Term begins | 4 May 2020 |
| F Term ends | 15 June 2020 |
| Victoria Day Holiday | 18 May 2020 |
| F Course Drop Date | 1 June 2020 |
| Final Exams – F courses | 17-25 June 2020 |
| Canada Day Holiday | 1 July 2020 |
| S Term begins | 6 July 2020 |
| Y and S Term ends | 17 August 2020 |
| Y Course Drop Date | 20 July 2020 |
| S Course Drop Date | 3 Aug 2020 |
| Civic Holiday | 3 August 2020 |
| Final Exams – Y and S courses | 19-27 August 2020 |
| Fall | |
| Term begins | 10 September 2020 (Thursday) |
| Term ends | 9 December 2020 |
| Thanksgiving | 12 October 2020 |
| F Course Drop Date | 9 November 2020 |
| Fall Reading Week | 9-13 November 2020 |
| Makeup Monday Class | 10 December 2020 |
| December Study Break | None this year |
| Final Exams – F courses | 11-22 December 2020 |
| Winter Holidays | 23 December 2020 – 1 January 2021 |
| Winter | |
| Term begins | 4 January 2021 (Monday) |
| Term ends | 1 April 2021 |
| Y Course Drop Date | 15 February 2021 |
| Family Day Holiday | 15 February 2021 |
| Winter Reading Week | 15-19 February 2021 |
| S Course Drop Date | 8 March 2021 |
| Good Friday | 2 April 2021 |
| Makeup Friday Class | 5 April 2021 |
| April Study Break | 6 April 2021 |
| CSB 497H1S/498Y1Y/499Y1Y Poster Session | 6 April 2021 |
| Final Exams | 7-30 April 2021 |