| Gateway Christian School | 0.0 |
Regular elementary or secondary | KG-12 | 171 | 13.6 | Christian (no specific denomination) |
| Heritage Baptist Academy | 1.1 |
Regular elementary or secondary | KG-12 | 145 | 13.8 | Baptist |
| Tobinworld Ii | 2.7 |
Special education | KG-12 | 69 | 13.8 | Nonsectarian |
| Hilltop Christian School | 2.7 |
Regular elementary or secondary | Pre-KG-10 | 80 | 10.7 | Seventh-Day Adventist |
| Cornerstone Christian School | 3.9 |
Regular elementary or secondary | Pre-KG-12 | 548 | 16.1 | Christian (no specific denomination) |
| La Cheim School | 5.2 |
Special education | 6-11 | 19 | 17.3 | Nonsectarian |
| Resilience School Of Health | 6.1 |
Special education | 4-12 | 11 | 4.6 | Nonsectarian |
| Christian Center | 8.1 |
Regular elementary or secondary | KG-12 | 199 | 10.5 | Christian (no specific denomination) |
| Spectrum Center - Delta | 9.0 |
Special education | Ungraded-Ungraded | 197 | 19.7 | Nonsectarian |
| The Athenian School | 14.6 |
Regular elementary or secondary | 6-12 | 462 | 8.5 | Nonsectarian |
| Calvary Christian | 15.2 |
Special program emphasis | 1-12 | 50 | 8.9 | Pentecostal |
| Diablo Valley School | 15.7 |
Special program emphasis | Ungraded-Ungraded | 24 | 12.0 | Nonsectarian |
| Spectrum Center - Valley | 16.3 |
Special education | Ungraded-Ungraded | 56 | 8.0 | Nonsectarian |
| Concord Christian School | 16.7 |
Regular elementary or secondary | Pre-KG-12 | 59 | 14.8 | Pentecostal |
| Celebration Academy | 17.3 |
Alternative/other | KG-12 | 158 | 1.0 | Christian (no specific denomination) |
| The Quarry Lane School | 17.6 |
Regular elementary or secondary | Trans. KG-10 | 235 | 9.0 | Nonsectarian |
| Stars School | 18.5 |
Special education | Ungraded-Ungraded | 10 | 10.0 | Nonsectarian |
| Stars School | 18.5 |
Special education | Ungraded-Ungraded | 10 | 10.0 | Nonsectarian |
| Contra Costa Christian School | 18.8 |
Regular elementary or secondary | Pre-KG-12 | 339 | 11.7 | Christian (no specific denomination) |
| Pleasant Hill Adventist Academy | 19.2 |
Regular elementary or secondary | KG-12 | 252 | 16.1 | Seventh-Day Adventist |
| New Vistas Christian School | 20.2 |
Special education | 6-12 | 30 | 7.5 | Christian (no specific denomination) |
| Valley Christian Jr/sr High School | 21.6 |
Regular elementary or secondary | Pre-KG-12 | 965 | 16.2 | Christian (no specific denomination) |
| New World Montessori | 22.0 |
Montessori | Ungraded-Ungraded | 15 | 7.5 | Nonsectarian |
| Lighthouse Baptist School | 22.1 |
Regular elementary or secondary | KG-11 | 19 | 5.8 | Baptist |
| Apostolic Christian Academy | 24.1 |
Regular elementary or secondary | 2-12 | 26 | 8.7 | Assembly of God |
| Stockton Christian School | 24.6 |
Regular elementary or secondary | KG-12 | 271 | 19.4 | Christian (no specific denomination) |
