| Dates | School | Confirmed Cases |
|---|
| Collected | Reported | School Board | School | Municipality | Student | Staff | Unspecified | Total |
|---|
| 2021-09-24 | 2021-09-27 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-23 | 2021-09-24 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-22 | 2021-09-23 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-21 | 2021-09-22 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-20 | 2021-09-21 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-17 | 2021-09-20 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-16 | 2021-09-17 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-15 | 2021-09-16 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-14 | 2021-09-15 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-09-13 | 2021-09-14 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-04-14 | 2021-04-15 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-04-09 | 2021-04-12 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |
| 2021-04-08 | 2021-04-09 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-04-07 | 2021-04-08 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-04-06 | 2021-04-07 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-04-01 | 2021-04-06 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-03-31 | 2021-04-01 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-03-30 | 2021-03-31 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-03-29 | 2021-03-30 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 2 | 0 | 0 | 2 |
| 2021-03-26 | 2021-03-29 | Waterloo Catholic District School Board | Holy Rosary Catholic Elementary School | Waterloo | 1 | 0 | 0 | 1 |