| Mother Seton Elementary School | 0.0 |
Regular elementary or secondary | Pre-KG-8 | 379 | 17.1 | Roman Catholic |
| Carroll Lutheran School | 15.6 |
Regular elementary or secondary | KG-8 | 109 | 11.7 | Other Lutheran |
| Mt Aetna Adventist Elementary School | 16.7 |
Regular elementary or secondary | Pre-KG-8 | 75 | 11.9 | Seventh-Day Adventist |
| St John Regional Catholic School | 17.3 |
Regular elementary or secondary | Pre-KG-8 | 590 | 16.6 | Roman Catholic |
| Shiningtree School | 17.7 |
Regular elementary or secondary | 6-8 | 11 | 5.5 | Nonsectarian |
| Frederick Country Day Montessori School | 17.7 |
Montessori | Pre-KG-KG | 11 | 0.7 | Nonsectarian |
| The Banner School | 18.8 |
Regular elementary or secondary | KG-8 | 203 | 8.2 | Nonsectarian |
| The Goddard School Of Frederick | 19.1 |
Early childhood program/child care center | Pre-KG-KG | 15 | 15.0 | Nonsectarian |
| St John Catholic School | 19.2 |
Regular elementary or secondary | KG-4 | 189 | 23.9 | Roman Catholic |
| The Forbush School At Westminster | 19.5 |
Special education | 1-8 | 17 | 4.2 | Nonsectarian |
| Christian Preschool & Kindergarten Program | 20.2 |
Early childhood program/child care center | Pre-KG-KG | 17 | 4.2 | Presbyterian |
| Church Of The Brethren Learning Center | 20.3 |
Early childhood program/child care center | Pre-KG-KG | 15 | 15.0 | Brethren |
| Visitation Academy | 20.3 |
Regular elementary or secondary | Pre-KG-8 | 109 | 6.4 | Roman Catholic |
| Calvary Weekday School | 20.4 |
Early childhood program/child care center | Pre-KG-KG | 18 | 4.7 | Methodist |
| North Carroll Community School | 20.8 |
Regular elementary or secondary | KG-8 | 90 | 9.2 | Christian (no specific denomination) |
| Lucy School | 20.9 |
Special program emphasis | Pre-KG-2 | 27 | 10.8 | Nonsectarian |
| Crest Lane Sda Church School | 21.0 |
Regular elementary or secondary | KG-7 | 18 | 9.0 | Seventh-Day Adventist |
| Middletown United Methodist Church Preschool And | 21.4 |
Early childhood program/child care center | Pre-KG-KG | 28 | 17.5 | Methodist |
| Citicorp Family Center | 21.7 |
Early childhood program/child care center | KG-KG | 19 | 9.5 | Nonsectarian |
| Frederick Adventist School | 21.7 |
Regular elementary or secondary | KG-8 | 78 | 12.4 | Seventh-Day Adventist |
| Hagerstown Childrens School | 21.8 |
Montessori | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| St Mary Catholic School | 21.9 |
Regular elementary or secondary | KG-8 | 258 | 16.0 | Roman Catholic |
| Trinity School Of Frederick | 22.4 |
Regular elementary or secondary | KG-8 | 93 | 7.7 | Episcopal |
| Little Travelers Daycare & Learning Center | 23.2 |
Early childhood program/child care center | Pre-KG-Trans. KG | 10 | 10.0 | Nonsectarian |
