| Brother Dutton Catholic School | 0.6 |
Regular elementary or secondary | Pre-KG-8 | 70 | 8.6 | Roman Catholic |
| Rock County Christian School-janesville | 6.7 |
Regular elementary or secondary | Pre-KG-5 | 78 | 11.3 | Christian (no specific denomination) |
| St Patrick Elem School | 11.6 |
Regular elementary or secondary | Pre-KG-8 | 83 | 8.1 | Roman Catholic |
| St John Vianney School | 11.9 |
Regular elementary or secondary | Pre-KG-8 | 239 | 18.4 | Roman Catholic |
| St William Catholic School | 12.1 |
Regular elementary or secondary | Pre-KG-8 | 180 | 14.5 | Roman Catholic |
| St Mary Elementary School | 12.2 |
Regular elementary or secondary | Pre-KG-8 | 132 | 10.7 | Roman Catholic |
| St Pauls Lutheran School | 12.2 |
Regular elementary or secondary | Pre-KG-8 | 269 | 12.5 | Lutheran Church - Missouri Synod |
| St Matthews Lutheran School | 12.7 |
Regular elementary or secondary | Pre-KG-8 | 116 | 18.1 | Wisconsin Evangelical Lutheran Synod |
| Rock Prairie Montessori | 16.0 |
Montessori | Pre-KG-3 | 34 | 10.3 | Nonsectarian |
| Woodland Christian School | 16.7 |
Regular elementary or secondary | KG-8 | 27 | 13.5 | Seventh-Day Adventist |
| Our Redeemer Lutheran School | 21.2 |
Regular elementary or secondary | Pre-KG-8 | 128 | 15.8 | Lutheran Church - Missouri Synod |
| St Andrew Parish School | 22.2 |
Regular elementary or secondary | KG-8 | 140 | 11.4 | Roman Catholic |
| Delavan Christian School | 22.5 |
Regular elementary or secondary | Pre-KG-8 | 86 | 11.5 | Calvinist |
| Oaklawn Academy | 25.0 |
Special program emphasis | 6-8 | 171 | 14.2 | Roman Catholic |
