| Abington Friends School
| Jenkintown | PA | PK-12th | none | Coed | 708 | Quakers/Friends |
| Academy of Notre Dame de Namur
4.2/5
based on 1 student review(s) | Villanova | PA | 6th-12th | none | Girls only | 539 | Roman Catholic |
| Agnes Irwin School
| Rosemont | PA | PK-12th | none | Girls only | 666 | None |
| Archbishop John Carroll High School
| Radnor | PA | 9th-12th | none | Coed | 977 | Roman Catholic |
| Archbishop Prendergast High School
| Drexel Hill | PA | 9th-12th | none | Coed | 1297 | Roman Catholic |
| Archmere Academy
| Claymont | DE | 9th-12th | none | Coed | 505 | Roman Catholic |
| Baldwin School
4.4/5
based on 1 student review(s) | Bryn Mawr | PA | PK-12th | none | Girls only | 556 | None |
| Bishop McDevitt High School
| Wyncote | PA | 9th-12th | none | Coed | 668 | Roman Catholic |
| Bishop Shanahan High School
| Downingtown | PA | 9th-12th | none | Coed | 1264 | Roman Catholic |
| Cardinal O'Hara High School
| Springfield | PA | 9th-12th | none | Coed | 1527 | Roman Catholic |
| Chestnut Hill Academy
| Philadelphia | PA | PK-12th | none | Coed | 570 | None |
| Christopher Dock Mennonite High School
| Lansdale | PA | 9th-12th | none | Coed | 385 | Mennonite |
| Country Day School of the Sacred Heart
| Bryn Mawr | PA | PK-12th | none | Girls only | 359 | Roman Catholic |
| Devon Preparatory School
| Devon | PA | 6th-12th | none | Boys only | 295 | Roman Catholic |
| Episcopal Academy
4.7/5
based on 3 student review(s) | Newtown Square | PA | PK-12th | none | Coed | 1250 | Episcopal |
| Faith Christian Academy
| Sellersville | PA | PK-12th | none | Coed | 300 | Baptist |
| Friends Select School
4.2/5
based on 1 student review(s) | Philadelphia | PA | PK-12th | none | Coed | 530 | Quakers/Friends |
| Friends' Central School
| Wyndmoor | PA | PK-12th | none | Coed | 981 | Quakers/Friends |
| Germantown Academy
4.8/5
based on 1 student review(s) | Fort Washington | PA | PK-12th | none | Coed | 1120 | None |
| Germantown Friends School
4.1/5
based on 6 student review(s) | Philadephia | PA | K-12th | none | Coed | 861 | Quakers/Friends |
| Girard College
| Philadelphia | PA | none | 1st-12th | Coed | 475 | None |
| Gwynedd-Mercy College
| Gwynedd Valley | PA | 9th-12th | none | Girls only | 402 | Roman Catholic |
| Haverford School
3.8/5
based on 3 student review(s) | Haverford | PA | PK-12th | none | Boys only | 960 | None |
| Hill School
4.4/5
based on 5 student review(s) | Pottstown | PA | 9th-PG | 9th-PG | Coed | 485 | None |
| International Christian High School
| Philadelphia | PA | 8th-12th | none | Coed | 124 | Non-Denominational Christian |
| John W. Hallahan Catholic Girls' High School
| Philadelphia | PA | 9th-12th | none | Girls only | 650 | Roman Catholic |
| La Salle College High School
| Wyndmoor | PA | 9th-12th | none | Boys only | 1060 | Roman Catholic |
| Lansdale Catholic High School
| Lansdale | PA | 9th-12th | none | Coed | 814 | Roman Catholic |
| Little Flower Catholic High School for Girls
| Philadelphia | PA | 9th-12th | none | Girls only | 737 | Roman Catholic |
| Malvern Preparatory School
| Malvern | PA | 6th-12th | none | Boys only | 597 | Roman Catholic |
| Merion Mercy Academy
| Merion Station | PA | 9th-12th | none | Girls only | 485 | Roman Catholic |
| Monsignor Bonner High School
| Drexel Hill | PA | 9th-12th | none | Boys only | 1282 | Roman Catholic |
| Mount Saint Joseph Academy
| Flourtown | PA | 9th-12th | none | Girls only | 560 | Roman Catholic |
| Pine Forge Academy
| Pine Forge | PA | 9th-12th | none | Coed | 154 | Adventists |
| Reading Central Catholic High School
| Reading | PA | 9th-12th | none | Coed | 330 | Roman Catholic |
| Roman Catholic High School
| Philadelphia | PA | 9th-12th | none | Boys only | 966 | Roman Catholic |
| Saint Basil Academy
| Jenkintown | PA | 9th-12th | none | Girls only | 382 | Other |
| Saints John Neumann and Maria Goretti Catholic High School
| Philadelphia | PA | 9th-12th | none | Coed | 1091 | Roman Catholic |
| Salesianum School
| Wilmington | DE | 9th-12th | none | Boys only | 1042 | Roman Catholic |
| Sanford School
| Hockessin | DE | PK-12th | none | Coed | 675 | None |
| School at Church Farm
| Exton | PA | 7th-12th | 7th-12th | Boys only | 200 | Episcopal |
| Shipley School
| Bryn Mawr | PA | PK-12th | none | Coed | 835 | None |
| Springside School
4.2/5
based on 2 student review(s) | Philadelphia | PA | PK-12th | none | Girls only | 670 | None |
| St. Joseph's Preparatory School
4.6/5
based on 2 student review(s) | Philadelphia | PA | 9th-12th | none | Boys only | 980 | Roman Catholic |
| Tatnall School
| Wilmington | DE | PK-12th | none | Coed | 706 | None |
| Tower Hill School
3.7/5
based on 2 student review(s) | Wilmington | DE | PK-12th | none | Coed | 740 | None |
| Upattinas School
| Glenmoore | PA | K-12th | none | Coed | 112 | None |
| Ursuline Academy
| Wilmington | DE | PK-12th | none | Girls only | 705 | Roman Catholic |
| Valley Forge Military Academy and College
4.2/5
based on 1 student review(s) | Wayne | PA | 7th-12th | 7th-PG | Boys only | 524 | None |
| Villa Maria Academy
| Malvern | PA | 9th-12th | none | Girls only | 442 | Roman Catholic |
| West Philadelphia Catholic High School
| Philadelphia | PA | 9th-12th | none | Coed | 450 | Roman Catholic |
| West-Mont Christian Academy
| Pottstown | PA | K-12th | none | Coed | 254 | Non-Denominational Christian |
| Westtown School
| Westtown | PA | PK-10th | 9th-12th | Coed | 800 | Quakers/Friends |
| William Penn Charter School
| Philadelphia | PA | K-12th | none | Coed | 886 | Quakers/Friends |
| Wilmington Friends School
| Wilmington | DE | PK-12th | none | Girls only | 831 | Quakers/Friends |
| Woodlynde School
| Strafford | PA | K-12th | none | Coed | 302 | None |