| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-10-15 | 2021-10-18 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-14 | 2021-10-15 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-13 | 2021-10-14 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-12 | 2021-10-13 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-08 | 2021-10-12 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-07 | 2021-10-08 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-06 | 2021-10-07 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-05 | 2021-10-06 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-10-04 | 2021-10-05 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-04-14 | 2021-04-15 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-04-09 | 2021-04-12 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-04-08 | 2021-04-09 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-04-07 | 2021-04-08 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-04-06 | 2021-04-07 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-04-01 | 2021-04-06 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-03-31 | 2021-04-01 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-03-30 | 2021-03-31 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | Catholic District School Board of Eastern Ontario | St. Joseph Intermediate Catholic School | Cornwall | 1 | 0 | 0 | 1 |