| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2020-11-16 | 2020-11-17 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | King | 0 | 0 | 2 | 2 |
| 2020-11-13 | 2020-11-16 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | King | 0 | 0 | 1 | 1 |
| 2020-11-12 | 2020-11-13 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | King | 0 | 0 | 1 | 1 |
| 2020-11-11 | 2020-11-12 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | King | 0 | 0 | 1 | 1 |
| 2020-11-10 | 2020-11-11 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | King | 0 | 0 | 1 | 1 |
| 2021-04-14 | 2021-04-15 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 3 | 1 | 0 | 4 |
| 2021-04-09 | 2021-04-12 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 3 | 1 | 0 | 4 |
| 2021-04-08 | 2021-04-09 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 3 | 1 | 0 | 4 |
| 2021-04-07 | 2021-04-08 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 3 | 1 | 0 | 4 |
| 2021-04-06 | 2021-04-07 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 3 | 1 | 0 | 4 |
| 2021-04-01 | 2021-04-06 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 1 | 0 | 2 |
| 2021-03-19 | 2021-03-22 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-18 | 2021-03-19 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-17 | 2021-03-18 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-16 | 2021-03-17 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-15 | 2021-03-16 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-03-12 | 2021-03-15 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-03-11 | 2021-03-12 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-03-10 | 2021-03-11 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-03-09 | 2021-03-10 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-03-08 | 2021-03-09 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-03-05 | 2021-03-08 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-04 | 2021-03-05 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-03 | 2021-03-04 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-02 | 2021-03-03 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-03-01 | 2021-03-02 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 1 | 0 | 0 | 1 |
| 2021-02-18 | 2021-02-19 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2021-02-17 | 2021-02-18 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 2 | 0 | 0 | 2 |
| 2020-11-27 | 2020-11-30 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 0 | 0 | 1 | 1 |
| 2020-11-26 | 2020-11-27 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 0 | 0 | 1 | 1 |
| 2020-11-25 | 2020-11-26 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 0 | 0 | 1 | 1 |
| 2020-11-24 | 2020-11-25 | York Catholic District School Board | St. Mary of the Angels Catholic Elementary School | Vaughan | 0 | 0 | 1 | 1 |