| Cumulative Incidence of SARS-CoV-2 High ≥ 5.0 Low < 5.0 (Per 1000 Persons) | Size of the School Large ≥ 230 Small < 230 | Socioeconomic Status High ≥ 13 Low ≤ 7 | School Location |
| High | Large | High | Angleur |
| Low | Berchem-Ste-Agathe | ||
| Low | Jette | ||
| Low | Koekelberg | ||
| Small | High | Herve | |
| Low | Seraing | ||
| Low | Large | High | Beauraing |
| Low | Châtelineau 2 | ||
| Small | High | La Hulpe | |
| Low | Châtelineau 1 | ||
| Low | Farciennes |