| Hilltop Christian School | 0.0 |
Regular elementary or secondary | Pre-KG-10 | 80 | 10.7 | Seventh-Day Adventist |
| Heritage Baptist Academy | 2.3 |
Regular elementary or secondary | KG-12 | 145 | 13.8 | Baptist |
| Cornerstone Christian School | 2.6 |
Regular elementary or secondary | Pre-KG-12 | 548 | 16.1 | Christian (no specific denomination) |
| Gateway Christian School | 2.7 |
Regular elementary or secondary | KG-12 | 171 | 13.6 | Christian (no specific denomination) |
| La Cheim School | 3.0 |
Special education | 6-11 | 19 | 17.3 | Nonsectarian |
| Resilience School Of Health | 3.5 |
Special education | 4-12 | 11 | 4.6 | Nonsectarian |
| Tobinworld Ii | 5.3 |
Special education | KG-12 | 69 | 13.8 | Nonsectarian |
| Christian Center | 5.4 |
Regular elementary or secondary | KG-12 | 199 | 10.5 | Christian (no specific denomination) |
| Spectrum Center - Delta | 6.4 |
Special education | Ungraded-Ungraded | 197 | 19.7 | Nonsectarian |
| Calvary Christian | 12.5 |
Special program emphasis | 1-12 | 50 | 8.9 | Pentecostal |
| The Athenian School | 13.0 |
Regular elementary or secondary | 6-12 | 462 | 8.5 | Nonsectarian |
| Diablo Valley School | 13.0 |
Special program emphasis | Ungraded-Ungraded | 24 | 12.0 | Nonsectarian |
| Spectrum Center - Valley | 13.7 |
Special education | Ungraded-Ungraded | 56 | 8.0 | Nonsectarian |
| Concord Christian School | 14.0 |
Regular elementary or secondary | Pre-KG-12 | 59 | 14.8 | Pentecostal |
| Stars School | 16.0 |
Special education | Ungraded-Ungraded | 10 | 10.0 | Nonsectarian |
| Stars School | 16.0 |
Special education | Ungraded-Ungraded | 10 | 10.0 | Nonsectarian |
| Contra Costa Christian School | 16.3 |
Regular elementary or secondary | Pre-KG-12 | 339 | 11.7 | Christian (no specific denomination) |
| Pleasant Hill Adventist Academy | 16.6 |
Regular elementary or secondary | KG-12 | 252 | 16.1 | Seventh-Day Adventist |
| The Quarry Lane School | 17.3 |
Regular elementary or secondary | Trans. KG-10 | 235 | 9.0 | Nonsectarian |
| New Vistas Christian School | 17.4 |
Special education | 6-12 | 30 | 7.5 | Christian (no specific denomination) |
| Celebration Academy | 18.1 |
Alternative/other | KG-12 | 158 | 1.0 | Christian (no specific denomination) |
| Valley Christian Jr/sr High School | 20.8 |
Regular elementary or secondary | Pre-KG-12 | 965 | 16.2 | Christian (no specific denomination) |
| Lighthouse Baptist School | 21.9 |
Regular elementary or secondary | KG-11 | 19 | 5.8 | Baptist |
| Calvary Baptist Christian School | 24.3 |
Regular elementary or secondary | Pre-KG-12 | 59 | 9.7 | Baptist |
| New World Montessori | 24.5 |
Montessori | Ungraded-Ungraded | 15 | 7.5 | Nonsectarian |
