| Academy of the Holy Cross
| Kensington | MD | 9th-12th | none | Girls only | 555 | Roman Catholic |
| Bryn Mawr School
| Baltimore | MD | PK-12th | none | Girls only | 776 | None |
| Catholic High School of Baltimore
| Baltimore | MD | 9th-12th | none | Girls only | 314 | Roman Catholic |
| Connelly School of the Holy Child
| Potomac | MD | 6th-12th | none | Girls only | 382 | Roman Catholic |
| Garrison Forest School
| Owings Mills | MD | PK-12th | 8th-12th | Girls only | 696 | None |
| Holton-Arms School
| Bethesda | MD | 3rd-12th | none | Girls only | 645 | None |
| Institute of Notre Dame
| Baltimore | MD | 9th-12th | none | Girls only | 318 | Roman Catholic |
| Maryvale Preparatory School
| Brooklandville | MD | 6th-12th | none | Girls only | 376 | Roman Catholic |
| Notre Dame Preparatory School
| Towson | MD | 6th-12th | none | Girls only | 760 | Roman Catholic |
| Roland Park Country School
| Baltimore | MD | K-12th | none | Girls only | 705 | None |
| St. Paul's School for Girls
| Brooklandville | MD | 5th-12th | none | Girls only | 463 | Episcopal |