| Orinda Academy | Altariinda | 8-12 | 28 | 3.1 | Nonsectarian |
| Cornerstone Christian School | Antioch | PreK-12 | 559 | 17.8 | Assembly of God |
| Heritage Baptist Academy | Antioch | K-12 | 80 | 11.6 | Baptist |
| Hilltop Christian School | Antioch | K-8 | 137 | 17.1 | Christian (nondenominational) |
| Holy Rosary Elementary School | Antioch | PreK-8 | 313 | 18.9 | Roman Catholic |
| Kindercare Learning Center #1039 | Antioch | PreK-5 | 67 | 11.2 | Nonsectarian |
| Spectrum Center- Antioch Campus | Antioch | 1-12 | 57 | 9.5 | Nonsectarian |
| Golden Hills Christian School | Brentwood | K-8 | 218 | 17.4 | Christian (nondenominational) |
| Love for Learning | Brentwood | PreK-K | 14 | 8.8 | Nonsectarian |
| Acton Academy Concord | Concord | 4-6 | 5 | 5 | Nonsectarian |
| Anova Center for Education | Concord | 1-12 | 71 | 8.9 | Nonsectarian |
| Bay Christian School | Concord | PreK-8 | 255 | 18.9 | Assembly of God |
| Beginnings & Beyond Montessori Christian | Concord | PreK-Transitional K | 9 | 2.3 | Presbyterian |
| Calvary Christian | Concord | 1-12 | 56 | 6.4 | Christian (nondenominational) |
| Carondelet High School | Concord | 9-12 | 834 | 8 | Roman Catholic, all-girls |
| De la Salle Academy | Concord | 5-8 | 68 | 12.8 | Roman Catholic, all-boys |
| De la Salle High School | Concord | 9-12 | 1,042 | 12.6 | Roman Catholic, all-boys |
| Diablo Valley | Concord | Ungraded | 15 | 5.4 | Nonsectarian |
| Hope Academy for Dyslexics | Concord | 3-8 | 54 | 4.9 | Nonsectarian |
| Kings Valley Christian School | Concord | PreK-8 | 361 | 15 | Christian (nondenominational) |
| Montessori School of Concord | Concord | PreK-K | 6 | 6 | Nonsectarian |
| Myrtle Farm Montessori School | Concord | PreK-K | 10 | 2.2 | Nonsectarian |
| Noble Learning Academy | Concord | 6-8 | 41 | 6.4 | Nonsectarian |
| Queen of All Saints School | Concord | PreK-8 | 287 | 20.8 | Roman Catholic |
| Spectrum Center-Valley Campus | Concord | 3-12 | 40 | 8 | Nonsectarian |
| St. Agnes Elementary School | Concord | K-8 | 261 | 10.3 | Roman Catholic |
| St. Francis of Assisi | Concord | K-8 | 300 | 16.9 | Roman Catholic |
| Step By Step Montessori School | Concord | PreK-Transitional K | 10 | 10 | Nonsectarian, all-girls |
| The Concordia School | Concord | PreK-6 | 50 | 3.5 | Nonsectarian |
| Wood Rose Academy | Concord | K-8 | 110 | 12.5 | Roman Catholic |
| Ygnacio Valley Christian School | Concord | PreK-8 | 122 | 12.4 | Christian (nondenominational) |
| Danville Montessori School | Danville | PreK-K | 12 | 12 | Nonsectarian |
| Harper School | Danville | PreK-K | 5 | 5 | Nonsectarian |
| Learn & Play Montessori Danville | Danville | PreK-K | 8 | 8.9 | Nonsectarian |
| San Ramon Valley Christian Academy | Danville | PreK-8 | 392 | 12.4 | Presbyterian |
| St. Isidore School | Danville | PreK-8 | 616 | 15.4 | Roman Catholic |
| The Athenian School | Danville | 6-12 | 537 | 8.2 | Nonsectarian |
| All God's Children Christian School | Discovery Bay | PreK-5 | 138 | 22.6 | Presbyterian |
| Fountainhead Montessori School - Danville | Dublin | K | 30 | 6 | Nonsectarian |
| East Bay Montessori | El Cerrito | K-8 | 68 | 6.9 | Nonsectarian |
| Golestan School | El Cerrito | PreK-5 | 53 | 6.3 | Nonsectarian |
| Prospect Sierra School | El Cerrito | K-8 | 476 | 4.9 | Nonsectarian |
| St. John the Baptist | El Cerrito | PreK-8 | 148 | 11.7 | Roman Catholic |
| Bethel Christian Academy | El Sobrante | K-9 | 50 | 10.2 | Baptist |
| El Sobrante Christian School | El Sobrante | K-8 | 95 | 11 | Assembly of God |
| Seneca Family of Agencies-Catalyst Academy | El Sobrante | 3-12 | 23 | 4.6 | Nonsectarian |
| Bentley School | Lafayette | K-12 | 634 | 8.4 | Nonsectarian |
| Contra Costa Jewish Day School | Lafayette | K-8 | 172 | 7.4 | Jewish |
| Diablo Valley Montessori School | Lafayette | PreK-K | 10 | not reported | Nonsectarian |
| St. Perpetua School | Lafayette | PreK-8 | 248 | 14.3 | Roman Catholic |
| The Meher Schools | Lafayette | PreK-5 | 180 | 9.4 | Nonsectarian |
| The Springstone School | Lafayette | 6-12 | 42 | 4.2 | Nonsectarian |
| Sonder Creek Academy | Martinez | K-8 | 102 | 4.7 | Nonsectarian |
| St. Catherine of Siena School | Martinez | PreK-8 | 143 | 17 | Roman Catholic |
| The Saklan School | Moraga | PreK-8 | 98 | 5.8 | Nonsectarian |
| Holden High School | Orinda | 9-12 | 36 | 3.6 | Nonsectarian |
| Big Minds | Pinole | 2-8 | 36 | 3.3 | Nonsectarian |
| St. Joseph Elementary School | Pinole | PreK-8 | 322 | 25.8 | Roman Catholic |
| St. Peter Martyr | Pittsburg | PreK-8 | 164 | 18.2 | Roman Catholic |
| Christ the King Catholic School | Pleasant Hill | K-8 | 322 | 17.1 | Roman Catholic |
| Pleasant Hill Adventist Academy | Pleasant Hill | K-12 | 114 | 10.1 | Seventh-Day Adventist |
| A Better Chance School | Richmond | 3-12 | 44 | 7.3 | Nonsectarian |
| Arlington Christian School | Richmond | K-12 | 35 | 10.3 | Baptist |
| Crestmont School | Richmond | K-8 | 51 | 9.1 | Nonsectarian |
| Pattys Montessori School | Richmond | PreK-Transitional K | 9 | 3 | Nonsectarian |
| Salesian College Preparatory | Richmond | 9-12 | 413 | 15.4 | Roman Catholic |
| St. David School | Richmond | PreK-8 | 146 | 24.3 | Roman Catholic |
| A Little World | Rodeo | PreK-Transitional K | 4 | 4 | Nonsectarian, all-girls |
| St. Patrick School | Rodeo | PreK-8 | 357 | 11.9 | Roman Catholic |
| Spectrum Center - Tara Hills | San Pablo | 1-12 | 41 | not reported | Nonsectarian |
| Alkavain Academy | San Ramon | 9-12 | 6 | 6 | Nonsectarian |
| Franklin Academy | San Ramon | 9-12 | 88 | 6.7 | Nonsectarian |
| The Dorris-Eaton School | San Ramon | PreK-8 | 332 | 7.2 | Nonsectarian |
| Berean Christian High School | Walnut Creek | 9-12 | 380 | 14.4 | Christian (nondenominational) |
| Contra Costa Christian Schools | Walnut Creek | PreK-12 | 335 | 11.6 | Christian (nondenominational) |
| Fusion Academy--Walnut Creek | Walnut Creek | 7-12 | 40 | 2.5 | Nonsectarian |
| KLA Schools of Walnut Creek | Walnut Creek | PreK-Transitional K | 32 | 16 | Nonsectarian |
| Lindamood-Bell Learning Processes Walnut Creek | Walnut Creek | 2-6 | 4 | not reported | Nonsectarian |
| My Spanish Village | Walnut Creek | PreK-K | 6 | 6 | Nonsectarian |
| Seven Hills School | Walnut Creek | PreK-8 | 378 | 10.1 | Nonsectarian |
| St. Mary Elementary School | Walnut Creek | PreK-8 | 300 | 20 | Roman Catholic |
| WCPC Preschool | Walnut Creek | PreK-Transitional K | 11 | 11 | Presbyterian |