| Calvary Baptist Christian School | 4.3 |
Regular elementary or secondary | Pre-KG-12 | 59 | 9.7 | Baptist |
| Calvary Baptist Christian Academy | 7.6 |
Regular elementary or secondary | KG-12 | 113 | 10.3 | Baptist |
| Uhs Schools Vallejo | 8.2 |
Special education | Pre-KG-12 | 81 | 16.2 | Nonsectarian |
| North Hills Christian School | 9.1 |
Regular elementary or secondary | Pre-KG-12 | 506 | 18.5 | Baptist |
| Reignierd School | 10.1 |
Regular elementary or secondary | KG-9 | 22 | 4.8 | Nonsectarian |
| Jesus Is Alive Christian Academy | 10.3 |
Regular elementary or secondary | KG-12 | 22 | 5.5 | Christian (no specific denomination) |
| Napa Christian Campus Of Education | 10.7 |
Regular elementary or secondary | KG-12 | 191 | 11.7 | Seventh-Day Adventist |
| Kolbe Academy | 11.2 |
Regular elementary or secondary | 1-11 | 34 | 6.8 | Roman Catholic |
| Vacaville Christian Schools | 11.3 |
Regular elementary or secondary | Pre-KG-12 | 1278 | 20.9 | Christian (no specific denomination) |
| F A I T H Christian Academy | 11.8 |
Regular elementary or secondary | 2-12 | 8 | 2.2 | Christian (no specific denomination) |
| Trinity Grammar And Prep | 12.4 |
Regular elementary or secondary | KG-12 | 93 | 10.9 | Roman Catholic |
| Aldea School | 13.0 |
Special education | 6-11 | 9 | 9.0 | Nonsectarian |
| Hopewell Baptist Christian Academy | 13.0 |
Regular elementary or secondary | KG-12 | 61 | 12.2 | Baptist |
| Faith Academy | 13.5 |
Regular elementary or secondary | 1-12 | 44 | 14.7 | Christian (no specific denomination) |
| New Vistas Christian School | 14.5 |
Special education | 6-12 | 30 | 7.5 | Christian (no specific denomination) |
| Uhs Schools Laguna | 14.9 |
Special education | 3-12 | 44 | 7.3 | Nonsectarian |
| Concord Christian School | 15.9 |
Regular elementary or secondary | Pre-KG-12 | 59 | 14.8 | Pentecostal |
| Calvary Christian | 17.6 |
Special program emphasis | 1-12 | 50 | 8.9 | Pentecostal |
| Diablo Valley School | 17.6 |
Special program emphasis | Ungraded-Ungraded | 24 | 12.0 | Nonsectarian |
| Sonoma Valley Academy | 18.5 |
Regular elementary or secondary | 6-12 | 19 | 4.4 | Nonsectarian |
| Spectrum Center - Tara Hills | 18.6 |
Special education | Ungraded-Ungraded | 104 | 9.4 | Nonsectarian |
| Pleasant Hill Adventist Academy | 18.7 |
Regular elementary or secondary | KG-12 | 252 | 16.1 | Seventh-Day Adventist |
| El Sobrante Christian School | 18.8 |
Regular elementary or secondary | KG-12 | 399 | 12.3 | Assembly of God |
| Spectrum Center - Valley | 19.1 |
Special education | Ungraded-Ungraded | 56 | 8.0 | Nonsectarian |
| Bethel Christian Academy | 19.1 |
Regular elementary or secondary | KG-12 | 85 | 13.9 | Baptist |
| Spectrum Center - Delta | 19.1 |
Special education | Ungraded-Ungraded | 197 | 19.7 | Nonsectarian |
| A Better Chance School/cal Autism Foundation | 19.4 |
Special education | 1-12 | 37 | 6.2 | Nonsectarian |
| Calvary Christian Academy | 19.8 |
Regular elementary or secondary | Pre-KG-12 | 150 | 12.5 | Christian (no specific denomination) |
| East Bay Waldorf School | 19.8 |
Special program emphasis | KG-12 | 269 | 7.3 | Nonsectarian |
| Christian Center | 20.1 |
Regular elementary or secondary | KG-12 | 199 | 10.5 | Christian (no specific denomination) |
| Contra Costa Christian School | 20.5 |
Regular elementary or secondary | Pre-KG-12 | 339 | 11.7 | Christian (no specific denomination) |
| Stars School | 21.4 |
Special education | Ungraded-Ungraded | 10 | 10.0 | Nonsectarian |
| Stars School | 21.4 |
Special education | Ungraded-Ungraded | 10 | 10.0 | Nonsectarian |
| King's Academy | 21.6 |
Regular elementary or secondary | 1-12 | 42 | 1.7 | Christian (no specific denomination) |
| Arlington Christian School | 21.6 |
Regular elementary or secondary | KG-12 | 49 | 9.2 | Baptist |
| Resilience School Of Health | 21.8 |
Special education | 4-12 | 11 | 4.6 | Nonsectarian |
| La Cheim School | 22.4 |
Special education | 6-11 | 19 | 17.3 | Nonsectarian |
| Family Christian Academy | 23.0 |
Regular elementary or secondary | Pre-KG-12 | 7 | 3.9 | Pentecostal |
| Elim Christian School/colegio Evangelico Elim | 23.4 |
Regular elementary or secondary | KG-12 | 44 | 7.3 | Christian (no specific denomination) |
| Cornerstone Christian School | 23.8 |
Regular elementary or secondary | Pre-KG-12 | 548 | 16.1 | Christian (no specific denomination) |
