| Anova Center For Education | 3.1 |
Special education | 1-12 | 53 | 10.6 | Nonsectarian |
| Stuart Preparatory School | 3.5 |
Special program emphasis | KG-9 | 40 | 10.0 | Nonsectarian |
| Lattice Educational Services | 3.5 |
Special education | Ungraded-Ungraded | 30 | 7.5 | Nonsectarian |
| Redwood Adventist Academy | 3.7 |
Regular elementary or secondary | Pre-KG-12 | 131 | 12.6 | Seventh-Day Adventist |
| North Valley School | 3.8 |
Special education | 4-12 | 65 | 8.1 | Nonsectarian |
| Paideia Educational Heritage | 5.3 |
Regular elementary or secondary | Pre-KG-12 | 12 | 6.0 | Christian (no specific denomination) |
| Santa Rosa Christian School | 6.5 |
Regular elementary or secondary | KG-12 | 203 | 9.7 | Christian (no specific denomination) |
| Summerfield Waldorf School | 7.7 |
Special program emphasis | Pre-KG-12 | 344 | 8.0 | Nonsectarian |
| Berean Baptist Christian Academy | 9.3 |
Regular elementary or secondary | Pre-KG-12 | 52 | 8.2 | Baptist |
| Harvest Christian Academy | 9.7 |
Alternative/other | 1-12 | 159 | 6.3 | Christian (no specific denomination) |
| Greenacre Homes Inc | 9.9 |
Special education | 5-12 | 47 | 15.7 | Nonsectarian |
| Sierra School Of Sonoma County | 10.3 |
Special education | 6-12 | 22 | 7.3 | Nonsectarian |
| Pacific Christian Academy | 10.9 |
Regular elementary or secondary | Pre-KG-12 | 33 | 4.7 | Church of Christ |
| Plumfield Academy | 11.3 |
Special education | 2-12 | 27 | 6.8 | Nonsectarian |
| American Christian Academy Ext | 11.8 |
Regular elementary or secondary | 1-12 | 47 | 9.4 | Nonsectarian |
| Nonesuch School | 13.0 |
Alternative/other | Ungraded-Ungraded | 40 | 6.7 | Nonsectarian |
| Sonoma Valley Academy | 17.8 |
Regular elementary or secondary | 6-12 | 19 | 4.4 | Nonsectarian |
| Montessori Schools Of Petaluma | 18.0 |
Montessori | Ungraded-Ungraded | 65 | 13.0 | Nonsectarian |
| Middletown Christian School | 19.5 |
Regular elementary or secondary | KG-11 | 82 | 11.7 | Calvinist |
| Hopewell Baptist Christian Academy | 22.0 |
Regular elementary or secondary | KG-12 | 61 | 12.2 | Baptist |
| Aldea School | 22.2 |
Special education | 6-11 | 9 | 9.0 | Nonsectarian |
| Trinity Grammar And Prep | 22.6 |
Regular elementary or secondary | KG-12 | 93 | 10.9 | Roman Catholic |
| Kolbe Academy | 23.8 |
Regular elementary or secondary | 1-11 | 34 | 6.8 | Roman Catholic |
| Napa Christian Campus Of Education | 24.3 |
Regular elementary or secondary | KG-12 | 191 | 11.7 | Seventh-Day Adventist |
