| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-03-31 | 2021-04-01 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-30 | 2021-03-31 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-29 | 2021-03-30 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-26 | 2021-03-29 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-25 | 2021-03-26 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-24 | 2021-03-25 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-23 | 2021-03-24 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-22 | 2021-03-23 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-19 | 2021-03-22 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-18 | 2021-03-19 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 0 | 1 | 0 | 1 |
| 2021-03-17 | 2021-03-18 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-16 | 2021-03-17 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-15 | 2021-03-16 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-12 | 2021-03-15 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-11 | 2021-03-12 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-10 | 2021-03-11 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-09 | 2021-03-10 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-08 | 2021-03-09 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-05 | 2021-03-08 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |
| 2021-03-04 | 2021-03-05 | Lambton Kent District School Board | Alexander Mackenzie Secondary School | Sarnia | 1 | 0 | 0 | 1 |