| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-12-17 | 2021-12-20 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-16 | 2021-12-17 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-15 | 2021-12-16 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-14 | 2021-12-15 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-13 | 2021-12-14 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-10 | 2021-12-13 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-09 | 2021-12-10 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-08 | 2021-12-09 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-12-07 | 2021-12-08 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 1 | 0 | 2 |
| 2021-12-06 | 2021-12-07 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 1 | 0 | 2 |
| 2021-12-03 | 2021-12-06 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-12-02 | 2021-12-03 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-12-01 | 2021-12-02 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-11-30 | 2021-12-01 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-11-29 | 2021-11-30 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-04-14 | 2021-04-15 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-04-09 | 2021-04-12 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-04-08 | 2021-04-09 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-04-07 | 2021-04-08 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-04-06 | 2021-04-07 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-04-01 | 2021-04-06 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-03-31 | 2021-04-01 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 2 | 1 | 0 | 3 |
| 2021-03-30 | 2021-03-31 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-26 | 2021-03-29 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-25 | 2021-03-26 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-24 | 2021-03-25 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-23 | 2021-03-24 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-22 | 2021-03-23 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2021-03-16 | 2021-03-17 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 2 | 0 | 0 | 2 |
| 2021-03-15 | 2021-03-16 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 2 | 0 | 0 | 2 |
| 2021-03-12 | 2021-03-15 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-11 | 2021-03-12 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-10 | 2021-03-11 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-09 | 2021-03-10 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-08 | 2021-03-09 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-05 | 2021-03-08 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-04 | 2021-03-05 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-03 | 2021-03-04 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 0 | 0 | 3 |
| 2021-03-02 | 2021-03-03 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2021-03-01 | 2021-03-02 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 0 | 0 | 1 |
| 2020-12-04 | 2020-12-07 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2020-12-03 | 2020-12-04 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2020-12-02 | 2020-12-03 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 1 | 0 | 1 |
| 2020-12-01 | 2020-12-02 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 1 | 0 | 2 |
| 2020-11-30 | 2020-12-01 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 1 | 1 | 0 | 2 |
| 2020-11-27 | 2020-11-30 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 0 | 5 |
| 2020-11-26 | 2020-11-27 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 0 | 5 |
| 2020-11-25 | 2020-11-26 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 0 | 5 |
| 2020-11-24 | 2020-11-25 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 0 | 0 | 4 |
| 2020-11-23 | 2020-11-24 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 8 | 1 | 0 | 9 |
| 2020-11-20 | 2020-11-23 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 0 | 0 | 4 |
| 2020-11-19 | 2020-11-20 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 0 | 0 | 4 |
| 2020-11-18 | 2020-11-19 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 0 | 0 | 4 |
| 2020-11-17 | 2020-11-18 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 5 | 0 | 0 | 5 |
| 2020-11-16 | 2020-11-17 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 7 | 1 | 0 | 8 |
| 2020-11-13 | 2020-11-16 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 0 | 5 |
| 2020-11-12 | 2020-11-13 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 1 | 6 |
| 2020-11-11 | 2020-11-12 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 1 | 6 |
| 2020-11-10 | 2020-11-11 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 4 | 1 | 2 | 7 |
| 2020-11-09 | 2020-11-10 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 1 | 3 | 7 |
| 2020-11-06 | 2020-11-09 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 1 | 4 | 8 |
| 2020-11-05 | 2020-11-06 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 1 | 4 | 8 |
| 2020-11-04 | 2020-11-05 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 3 | 1 | 4 | 8 |
| 2020-11-03 | 2020-11-04 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 2 | 1 | 5 | 8 |
| 2020-11-02 | 2020-11-03 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 5 | 5 |
| 2020-10-30 | 2020-11-02 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 5 | 5 |
| 2020-10-29 | 2020-10-30 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 4 | 4 |
| 2020-10-28 | 2020-10-29 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 4 | 4 |
| 2020-10-27 | 2020-10-28 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 3 | 3 |
| 2020-10-26 | 2020-10-27 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 2 | 2 |
| 2020-10-23 | 2020-10-26 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-22 | 2020-10-23 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-21 | 2020-10-22 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 2 | 2 |
| 2020-10-20 | 2020-10-21 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-19 | 2020-10-20 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-16 | 2020-10-19 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-15 | 2020-10-16 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-14 | 2020-10-15 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-13 | 2020-10-14 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-09 | 2020-10-13 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |
| 2020-10-08 | 2020-10-09 | Dufferin-Peel Catholic District School Board | Cardinal Ambrozic Catholic Secondary School | Brampton | 0 | 0 | 1 | 1 |