| Archbishop Curley High School
| Baltimore | MD | 9th-12th | none | Boys only | 560 | Roman Catholic |
| Boys' Latin School of Maryland
| Baltimore | MD | K-12th | none | Boys only | 600 | None |
| DeMatha Catholic High School
| Hyattsville | MD | 9th-12th | none | Boys only | 1012 | Roman Catholic |
| Georgetown Preparatory School 4.8/5 based on 1 student review(s) | North Bethesda | MD | 9th-12th | 9th-12th | Boys only | 480 | Roman Catholic (Jesuit) |
| Gilman School
| Baltimore | MD | 1st-12th | none | Boys only | 1012 | None |
| Heights School
| Potomac | MD | 3rd-12th | none | Boys only | 458 | Roman Catholic |
| Landon School 4.4/5 based on 3 student review(s) | Bethesda | MD | 3rd-12th | none | Boys only | 679 | None |
| Loyola Blakefield
| Towson | MD | 6th-12th | none | Boys only | 1000 | Roman Catholic (Jesuit) |
| St. Paul's School
| Brooklandville | MD | K-12th | none | Boys only | 853 | Episcopal |