| De Smet Jesuit High School
| St. Louis | MO | 9th-12th | none | Boys only | 1114 | Roman Catholic (Jesuit) |
| Rockhurst High School
| Kansas City | MO | 9th-12th | none | Boys only | 1055 | Roman Catholic |
| Saint Louis Priory School
| St. Louis | MO | 7th-12th | none | Boys only | 390 | Roman Catholic |
| St. John Vianney High School
| St. Louis | MO | 9th-12th | none | Boys only | 585 | Roman Catholic |