| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-10-07 | 2021-10-08 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-10-06 | 2021-10-07 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-10-05 | 2021-10-06 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-10-04 | 2021-10-05 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-10-01 | 2021-10-04 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 3 | 0 | 0 | 3 |
| 2021-09-30 | 2021-10-01 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 4 | 0 | 0 | 4 |
| 2021-09-29 | 2021-09-30 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 4 | 1 | 0 | 5 |
| 2021-09-28 | 2021-09-29 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 4 | 1 | 0 | 5 |
| 2021-09-27 | 2021-09-28 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 4 | 1 | 0 | 5 |
| 2021-09-24 | 2021-09-27 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 4 | 1 | 0 | 5 |
| 2021-09-23 | 2021-09-24 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 3 | 1 | 0 | 4 |
| 2021-09-22 | 2021-09-23 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 3 | 1 | 0 | 4 |
| 2021-09-21 | 2021-09-22 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 3 | 1 | 0 | 4 |
| 2021-09-20 | 2021-09-21 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 2 | 0 | 3 |
| 2021-09-17 | 2021-09-20 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 2 | 0 | 3 |
| 2021-04-14 | 2021-04-15 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 2 | 0 | 0 | 2 |
| 2021-04-09 | 2021-04-12 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 2 | 0 | 0 | 2 |
| 2021-04-08 | 2021-04-09 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 2 | 0 | 0 | 2 |
| 2021-04-07 | 2021-04-08 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 3 | 0 | 0 | 3 |
| 2021-04-06 | 2021-04-07 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 2 | 0 | 0 | 2 |
| 2021-04-01 | 2021-04-06 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 2 | 0 | 0 | 2 |
| 2021-03-31 | 2021-04-01 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-03-30 | 2021-03-31 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-03-26 | 2021-03-29 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2021-03-25 | 2021-03-26 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-18 | 2020-11-19 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-17 | 2020-11-18 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-16 | 2020-11-17 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-13 | 2020-11-16 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-12 | 2020-11-13 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-11 | 2020-11-12 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-10 | 2020-11-11 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-09 | 2020-11-10 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-06 | 2020-11-09 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-11-05 | 2020-11-06 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-30 | 2020-10-01 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-29 | 2020-09-30 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-28 | 2020-09-29 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-25 | 2020-09-28 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-24 | 2020-09-25 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-23 | 2020-09-24 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-22 | 2020-09-23 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-21 | 2020-09-22 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-18 | 2020-09-21 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |
| 2020-09-17 | 2020-09-18 | Toronto District School Board | York Memorial Collegiate Institute | Toronto | 1 | 0 | 0 | 1 |