| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-11-08 | 2021-11-09 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-11-05 | 2021-11-08 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-11-04 | 2021-11-05 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-11-03 | 2021-11-04 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-11-02 | 2021-11-03 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-11-01 | 2021-11-02 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-10-29 | 2021-11-01 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-10-28 | 2021-10-29 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-10-27 | 2021-10-28 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-10-26 | 2021-10-27 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-04-14 | 2021-04-15 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 0 | 1 | 0 | 1 |
| 2021-04-09 | 2021-04-12 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 0 | 1 | 0 | 1 |
| 2021-04-08 | 2021-04-09 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 0 | 1 | 0 | 1 |
| 2021-04-07 | 2021-04-08 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 0 | 1 | 0 | 1 |
| 2021-04-06 | 2021-04-07 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 0 | 1 | 0 | 1 |
| 2021-03-22 | 2021-03-23 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 1 | 0 | 0 | 1 |
| 2021-03-19 | 2021-03-22 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-18 | 2021-03-19 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-17 | 2021-03-18 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-16 | 2021-03-17 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-15 | 2021-03-16 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-12 | 2021-03-15 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-11 | 2021-03-12 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-10 | 2021-03-11 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-09 | 2021-03-10 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 3 | 0 | 0 | 3 |
| 2021-03-08 | 2021-03-09 | York Catholic District School Board | Our Lady of Good Counsel Catholic Elementary School | East Gwillimbury | 2 | 0 | 0 | 2 |