| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-12-22 | 2021-12-23 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-21 | 2021-12-22 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-20 | 2021-12-21 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-17 | 2021-12-20 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-16 | 2021-12-17 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-15 | 2021-12-16 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-14 | 2021-12-15 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-12-13 | 2021-12-14 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-10-15 | 2021-10-18 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-10-14 | 2021-10-15 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-10-13 | 2021-10-14 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-10-12 | 2021-10-13 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-10-08 | 2021-10-12 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-10-07 | 2021-10-08 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 0 | 0 | 2 |
| 2021-10-06 | 2021-10-07 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 0 | 0 | 2 |
| 2021-10-05 | 2021-10-06 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 0 | 0 | 2 |
| 2021-10-04 | 2021-10-05 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 0 | 0 | 2 |
| 2021-10-01 | 2021-10-04 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 0 | 0 | 2 |
| 2021-09-30 | 2021-10-01 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 0 | 0 | 2 |
| 2021-09-29 | 2021-09-30 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 11 | 0 | 0 | 11 |
| 2021-09-28 | 2021-09-29 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 9 | 0 | 0 | 9 |
| 2021-09-27 | 2021-09-28 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 7 | 0 | 0 | 7 |
| 2021-09-24 | 2021-09-27 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 4 | 0 | 0 | 4 |
| 2021-09-23 | 2021-09-24 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 4 | 2 | 0 | 6 |
| 2021-09-22 | 2021-09-23 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 2 | 0 | 5 |
| 2021-09-21 | 2021-09-22 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 2 | 3 | 0 | 5 |
| 2021-09-20 | 2021-09-21 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 3 | 0 | 4 |
| 2021-09-17 | 2021-09-20 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 3 | 0 | 3 |
| 2021-09-16 | 2021-09-17 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 3 | 0 | 3 |
| 2021-09-15 | 2021-09-16 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 3 | 0 | 3 |
| 2021-09-14 | 2021-09-15 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 3 | 0 | 3 |
| 2021-09-13 | 2021-09-14 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 3 | 0 | 3 |
| 2021-03-26 | 2021-03-29 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-25 | 2021-03-26 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-24 | 2021-03-25 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-23 | 2021-03-24 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-22 | 2021-03-23 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-19 | 2021-03-22 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-18 | 2021-03-19 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-17 | 2021-03-18 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-16 | 2021-03-17 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-15 | 2021-03-16 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 3 | 0 | 0 | 3 |
| 2021-03-11 | 2021-03-12 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-10 | 2021-03-11 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-09 | 2021-03-10 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-08 | 2021-03-09 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-05 | 2021-03-08 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-04 | 2021-03-05 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-03 | 2021-03-04 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-02 | 2021-03-03 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-03-01 | 2021-03-02 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2021-02-26 | 2021-03-01 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 1 | 0 | 0 | 1 |
| 2020-11-26 | 2020-11-27 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2020-11-25 | 2020-11-26 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-24 | 2020-11-25 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-23 | 2020-11-24 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-20 | 2020-11-23 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-19 | 2020-11-20 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-18 | 2020-11-19 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-17 | 2020-11-18 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-16 | 2020-11-17 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-13 | 2020-11-16 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 2 | 0 | 2 |
| 2020-11-12 | 2020-11-13 | Dufferin-Peel Catholic District School Board | St. Michael Catholic Secondary School | Caledon | 0 | 1 | 0 | 1 |
| 2021-03-31 | 2021-04-01 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-30 | 2021-03-31 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-26 | 2021-03-29 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-25 | 2021-03-26 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-24 | 2021-03-25 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-23 | 2021-03-24 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-22 | 2021-03-23 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-19 | 2021-03-22 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-18 | 2021-03-19 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-17 | 2021-03-18 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-16 | 2021-03-17 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-15 | 2021-03-16 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-12 | 2021-03-15 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-11 | 2021-03-12 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-10 | 2021-03-11 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-09 | 2021-03-10 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 2 | 0 | 0 | 2 |
| 2021-03-08 | 2021-03-09 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2021-03-05 | 2021-03-08 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2020-11-25 | 2020-11-26 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2020-11-24 | 2020-11-25 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2020-11-16 | 2020-11-17 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |
| 2020-11-13 | 2020-11-16 | Huron Perth Catholic District School Board | St. Michael Catholic Secondary School | Stratford | 1 | 0 | 0 | 1 |