| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-04-14 | 2021-04-15 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 1 | 1 | 0 | 2 |
| 2021-04-09 | 2021-04-12 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 1 | 1 | 0 | 2 |
| 2021-04-08 | 2021-04-09 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 1 | 1 | 0 | 2 |
| 2021-04-07 | 2021-04-08 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 1 | 1 | 0 | 2 |
| 2021-04-06 | 2021-04-07 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 1 | 1 | 0 | 2 |
| 2021-04-01 | 2021-04-06 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 1 | 1 | 0 | 2 |
| 2021-03-31 | 2021-04-01 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 0 | 1 | 0 | 1 |
| 2021-03-30 | 2021-03-31 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 0 | 1 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | District School Board of Niagara | Edith Cavell Public School | St. Catharines | 0 | 1 | 0 | 1 |