| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-11-12 | 2021-11-15 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-11 | 2021-11-12 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-10 | 2021-11-11 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-09 | 2021-11-10 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-08 | 2021-11-09 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-05 | 2021-11-08 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-04 | 2021-11-05 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-03 | 2021-11-04 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-02 | 2021-11-03 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-11-01 | 2021-11-02 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 0 | 1 | 0 | 1 |
| 2021-04-07 | 2021-04-08 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-04-06 | 2021-04-07 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-04-01 | 2021-04-06 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-31 | 2021-04-01 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-30 | 2021-03-31 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-26 | 2021-03-29 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-25 | 2021-03-26 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-24 | 2021-03-25 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-23 | 2021-03-24 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-22 | 2021-03-23 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-19 | 2021-03-22 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-18 | 2021-03-19 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-17 | 2021-03-18 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-16 | 2021-03-17 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-15 | 2021-03-16 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-12 | 2021-03-15 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-11 | 2021-03-12 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |
| 2021-03-10 | 2021-03-11 | Dufferin-Peel Catholic District School Board | St Louis School | Mississauga | 1 | 0 | 0 | 1 |