| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-03-12 | 2021-03-15 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 1 | 0 | 1 |
| 2021-03-11 | 2021-03-12 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 1 | 0 | 1 |
| 2021-03-10 | 2021-03-11 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 1 | 1 | 0 | 2 |
| 2021-03-09 | 2021-03-10 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 1 | 1 | 0 | 2 |
| 2021-03-08 | 2021-03-09 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 1 | 0 | 3 |
| 2021-03-05 | 2021-03-08 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 1 | 0 | 3 |
| 2021-03-04 | 2021-03-05 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 1 | 0 | 3 |
| 2021-03-03 | 2021-03-04 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 1 | 0 | 3 |
| 2021-03-02 | 2021-03-03 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 1 | 0 | 3 |
| 2021-03-01 | 2021-03-02 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 1 | 0 | 3 |
| 2021-02-26 | 2021-03-01 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 0 | 0 | 2 |
| 2021-02-25 | 2021-02-26 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 0 | 0 | 2 |
| 2021-02-24 | 2021-02-25 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 2 | 0 | 0 | 2 |
| 2021-02-23 | 2021-02-24 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 1 | 0 | 0 | 1 |
| 2020-10-13 | 2020-10-14 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-09 | 2020-10-13 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-08 | 2020-10-09 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-07 | 2020-10-08 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-06 | 2020-10-07 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-05 | 2020-10-06 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-02 | 2020-10-05 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-10-01 | 2020-10-02 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |
| 2020-09-30 | 2020-10-01 | Dufferin-Peel Catholic District School Board | St. Charles Garnier | Mississauga | 0 | 0 | 1 | 1 |