| St Andrews Episcopal School | 1.8 |
Regular elementary or secondary | 6-12 | 455 | 8.1 | Episcopal |
| German School Washington Dc | 1.9 |
Special program emphasis | Pre-KG-12 | 478 | 7.3 | Nonsectarian |
| Connelly School Of The Holy Child | 2.1 |
Regular elementary or secondary | 6-12 | 370 | 8.2 | Roman Catholic |
| The Heights School | 2.1 |
Regular elementary or secondary | 3-12 | 440 | 8.4 | Roman Catholic |
| Muslim Community School | 3.0 |
Regular elementary or secondary | Pre-KG-12 | 124 | 7.4 | Islamic |
| Holton-arms School | 3.9 |
Regular elementary or secondary | 3-12 | 656 | 7.3 | Nonsectarian |
| Charles E Smith Jewish Day School | 4.5 |
Regular elementary or secondary | KG-12 | 1444 | 8.9 | Jewish |
| Katherine Thomas School | 4.9 |
Special education | Pre-KG-12 | 165 | 5.2 | Nonsectarian |
| The Ridge School Of Montgomery County | 5.0 |
Special education | 6-12 | 137 | 6.0 | Seventh-Day Adventist |
| Landon School | 5.0 |
Regular elementary or secondary | 3-12 | 678 | 8.8 | Nonsectarian |
| Montrose Christian School | 5.5 |
Regular elementary or secondary | KG-12 | 359 | 10.3 | Baptist |
| Avalon School, The | 5.8 |
Regular elementary or secondary | 3-12 | 209 | 9.7 | Roman Catholic |
| Stone Ridge School Of The Sacred Heart | 5.8 |
Regular elementary or secondary | Pre-KG-12 | 686 | 9.0 | Roman Catholic |
| The Frost School | 6.3 |
Special education | 1-12 | 58 | 4.5 | Nonsectarian |
| Washington Waldorf School | 6.9 |
Special program emphasis | Pre-KG-12 | 263 | 6.9 | Nonsectarian |
| Cabin John/brookmont Children | 7.2 |
Early childhood program/child care center | Ungraded-Ungraded | 1 | 0.7 | Nonsectarian |
| Washington Christian Academy | 7.9 |
Regular elementary or secondary | KG-12 | 293 | 10.5 | Christian (no specific denomination) |
| Lycee Rochambeau French International School | 7.9 |
Special program emphasis | Pre-KG-12 | 1049 | 8.3 | Nonsectarian |
| Evergreen Montessori School | 8.3 |
Montessori | Ungraded-Ungraded | 98 | 6.3 | Nonsectarian |
| The Siena School | 8.6 |
Special education | 4-10 | 46 | 4.0 | Nonsectarian |
| Barrie School | 9.0 |
Regular elementary or secondary | Pre-KG-12 | 309 | 5.6 | Nonsectarian |
| Covenant Life School | 9.0 |
Regular elementary or secondary | KG-12 | 250 | 13.1 | Christian (no specific denomination) |
| National Children's Center School/maryland Site | 9.8 |
Special education | Ungraded-Ungraded | 22 | 7.3 | Nonsectarian |
| Chelsea School | 9.9 |
Special education | 5-12 | 83 | 2.3 | Nonsectarian |
| Sandy Spring Friends School | 11.7 |
Regular elementary or secondary | Pre-KG-12 | 550 | 8.2 | Friends |
| Hampshire View Christian School | 12.4 |
Regular elementary or secondary | KG-12 | 69 | 8.8 | Baptist |
| The Newport School | 12.7 |
Regular elementary or secondary | Pre-KG-12 | 94 | 4.6 | Nonsectarian |
| Spencerville Adventist Academy | 13.6 |
Regular elementary or secondary | Pre-KG-12 | 290 | 9.7 | Seventh-Day Adventist |
| Community School Of Maryland | 13.8 |
Special education | Ungraded-Ungraded | 29 | 5.8 | Nonsectarian |
| Al-huda School | 15.6 |
Regular elementary or secondary | KG-9 | 390 | 10.7 | Islamic |
| High Road Upper School Of Prince George's County | 16.6 |
Special education | Ungraded-Ungraded | 48 | 3.0 | Nonsectarian |
| Washington United Christian Academy | 17.3 |
Regular elementary or secondary | Pre-KG-12 | 103 | 7.4 | Christian (no specific denomination) |
| New Hope Academy | 17.5 |
Regular elementary or secondary | Pre-KG-12 | 193 | 10.2 | Nonsectarian |
| Lanham Christian School | 18.6 |
Regular elementary or secondary | KG-12 | 260 | 13.4 | Brethren |
| Jessie B. Mason Regional School | 18.9 |
Special education | Ungraded-Ungraded | 29 | 3.6 | Nonsectarian |
| Lighthouse Christian Academy | 18.9 |
Regular elementary or secondary | KG-12 | 26 | 6.5 | Pentecostal |
| God's Church International Higher Learning | 19.2 |
Regular elementary or secondary | KG-11 | 32 | 5.3 | Christian (no specific denomination) |
| From The Heart Christian School | 19.2 |
Regular elementary or secondary | KG-12 | 173 | 6.1 | Christian (no specific denomination) |
| National Christian Academy | 19.9 |
Regular elementary or secondary | Pre-KG-12 | 354 | 11.1 | Church of God |
| High Road Academy Of Prince George's County | 20.1 |
Special education | 2-12 | 80 | 6.7 | Nonsectarian |
| Jericho Christian Academy | 20.4 |
Regular elementary or secondary | Pre-KG-12 | 257 | 28.9 | Baptist |
| Glenelg Country School | 20.5 |
Regular elementary or secondary | Pre-KG-12 | 772 | 7.2 | Nonsectarian |
| Phillips School - Laurel | 20.9 |
Special education | 4-12 | 137 | 6.0 | Nonsectarian |
| High Road Academy | 21.0 |
Special education | 4-12 | 89 | 8.9 | Nonsectarian |
| Foundation School | 21.0 |
Special education | 1-12 | 216 | 7.7 | Nonsectarian |
| Atholton Adventist School | 21.1 |
Regular elementary or secondary | Pre-KG-10 | 170 | 12.2 | Seventh-Day Adventist |
| High Road School Of Prince George's County | 21.1 |
Special education | 3-12 | 65 | 7.2 | Nonsectarian |
| Woodstream Christian Academy | 21.1 |
Regular elementary or secondary | Pre-KG-11 | 276 | 11.7 | Baptist |
| Progressive Christian Academy | 22.0 |
Regular elementary or secondary | Pre-KG-12 | 133 | 8.3 | Baptist |
| Washington New Church School | 22.5 |
Regular elementary or secondary | KG-10 | 51 | 6.5 | Other |
| Mount Airy Christian Academy | 22.9 |
Regular elementary or secondary | KG-10 | 343 | 14.9 | Christian (no specific denomination) |
| Capitol Christian Academy | 23.1 |
Regular elementary or secondary | Pre-KG-12 | 146 | 10.3 | Baptist |
| Independent Baptist Academy | 24.2 |
Regular elementary or secondary | Pre-KG-12 | 202 | 10.6 | Baptist |
| Riverdale Baptist School | 24.6 |
Regular elementary or secondary | Pre-KG-12 | 764 | 12.9 | Baptist |
| Chapelgate Christian Academy | 24.8 |
Regular elementary or secondary | 6-12 | 454 | 14.4 | Presbyterian |
| Grace Brethren Christian School | 25.0 |
Regular elementary or secondary | Pre-KG-12 | 747 | 13.2 | Brethren |
