| Ascension Lutheran School | 1.5 |
Regular elementary or secondary | Pre-KG-8 | 46 | 11.8 | Wisconsin Evangelical Lutheran Synod |
| The Whole Child Montessori School | 1.6 |
Montessori | Pre-KG-3 | 8 | 1.3 | Nonsectarian |
| Joyful Noises Kindergarten And Preschool | 2.1 |
Early childhood program/child care center | Pre-KG-KG | 3 | 3.0 | Lutheran Church - Missouri Synod |
| Kindercare Learning Center | 2.3 |
Special program emphasis | Pre-KG-4 | 18 | 18.0 | Nonsectarian |
| Light & Life Christian School | 2.8 |
Regular elementary or secondary | Pre-KG-8 | 296 | 18.4 | Methodist |
| Escondido Christian School | 3.8 |
Regular elementary or secondary | KG-8 | 366 | 12.7 | Other |
| St Mary's School | 3.9 |
Regular elementary or secondary | Pre-KG-8 | 277 | 22.2 | Roman Catholic |
| Grace Lutheran School | 4.2 |
Regular elementary or secondary | Pre-KG-8 | 345 | 17.9 | Lutheran Church - Missouri Synod |
| Valley Christian School | 7.7 |
Regular elementary or secondary | KG-8 | 157 | 17.2 | Baptist |
| Memorial Christian School | 8.1 |
Montessori | Pre-KG-5 | 30 | 10.0 | Christian (no specific denomination) |
| La Petite Academy Incorporated | 8.3 |
Special program emphasis | Pre-KG-4 | 18 | 1.0 | Nonsectarian |
| Discovery Isle Child Development Center | 9.2 |
Early childhood program/child care center | Pre-KG-KG | 16 | 12.3 | Nonsectarian |
| All Saints Preschool/kindergarten | 9.5 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Episcopal |
| Faith Lutheran School | 9.9 |
Regular elementary or secondary | Pre-KG-8 | 176 | 14.1 | Lutheran Church - Missouri Synod |
| Learning Village | 10.0 |
Early childhood program/child care center | KG-KG | 65 | 65.0 | Nonsectarian |
| Montessori School Of Oceanside | 10.3 |
Montessori | Pre-KG-5 | 73 | 4.1 | Nonsectarian |
| Incarnation Lutheran Preschool | 10.4 |
Early childhood program/child care center | Pre-KG-KG | 5 | 6.2 | Evangelical Lutheran Church in America |
| St Francis Of Assisi School | 10.4 |
Regular elementary or secondary | Pre-KG-8 | 253 | 13.3 | Roman Catholic |
| Vista Christian School | 10.7 |
Regular elementary or secondary | KG-6 | 106 | 11.8 | Assembly of God |
| New Venture Christian Schools | 11.2 |
Regular elementary or secondary | Pre-KG-8 | 175 | 10.1 | Other |
| Faith Temple Christian School | 11.7 |
Regular elementary or secondary | KG-1 | 13 | 6.5 | Christian (no specific denomination) |
| Country Montessori School Of Poway | 12.0 |
Montessori | Pre-KG-5 | 95 | 4.3 | Nonsectarian |
| St Michael School | 12.0 |
Regular elementary or secondary | KG-8 | 537 | 17.2 | Roman Catholic |
| La Costa Valley Preschooland Kindergarten | 12.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 10 | 11.1 | Nonsectarian |
| Oak Knoll Montessori #2 | 12.6 |
Montessori | Pre-KG-1 | 20 | 5.7 | Nonsectarian |
| Kindercare | 12.7 |
Early childhood program/child care center | Pre-KG-KG | 14 | 7.0 | Nonsectarian |
| La Petite Academy Inc | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 14 | 14.0 | Nonsectarian |
| La Petite Academy | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 13 | 13.0 | Nonsectarian |
| Montessori Child Development Center | 13.1 |
Montessori | Pre-KG-KG | 14 | 1.8 | Nonsectarian |
| Discovery Isle | 13.1 |
Early childhood program/child care center | KG-KG | 22 | 11.0 | Nonsectarian |
| Central Montessori Schools | 13.4 |
Montessori | Pre-KG-KG | 32 | 13.9 | Nonsectarian |
| The Nativity School | 13.7 |
Regular elementary or secondary | KG-8 | 183 | 11.4 | Roman Catholic |
| Horizon Prep | 13.7 |
Regular elementary or secondary | Pre-KG-8 | 216 | 9.4 | Other |
| Kindercare-carlsbad | 13.7 |
Early childhood program/child care center | KG-KG | 10 | 5.3 | Nonsectarian |
| Diegueno Country School | 14.1 |
Regular elementary or secondary | KG-6 | 148 | 8.3 | Nonsectarian |
| Rancho Encinitas Academy | 14.1 |
Regular elementary or secondary | Pre-KG-8 | 80 | 11.4 | Nonsectarian |
| Edison Academy | 14.1 |
Regular elementary or secondary | 3-8 | 27 | 13.5 | Nonsectarian |
| Carmel Mountain Preschool | 14.2 |
Early childhood program/child care center | Pre-KG-KG | 18 | 6.0 | Nonsectarian |
| Discovery Isle Child Development Center | 14.4 |
Early childhood program/child care center | Pre-KG-KG | 20 | 9.5 | Nonsectarian |
| Cornerstone Christian School | 14.5 |
Regular elementary or secondary | KG-8 | 117 | 10.5 | Christian (no specific denomination) |
| Bright Horizons | 14.5 |
Early childhood program/child care center | Pre-KG-KG | 7 | 3.7 | Nonsectarian |
| Growing Place Montessori Preschool | 14.7 |
Montessori | Pre-KG-1 | 21 | 4.7 | Nonsectarian |
| Old Mission Montessori School | 14.7 |
Montessori | Pre-KG-8 | 197 | 15.3 | Roman Catholic |
| Ramona Lutheran School | 14.7 |
Regular elementary or secondary | Pre-KG-8 | 102 | 14.6 | Lutheran Church - Missouri Synod |
| Childrens Preschool Learning Center | 14.7 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| Sanderling School | 14.8 |
Special program emphasis | Pre-KG-4 | 31 | 7.8 | Nonsectarian |
| Mt Olive Lutheran Preschool | 14.8 |
Early childhood program/child care center | Pre-KG-Trans. KG | 14 | 10.8 | Lutheran Church - Missouri Synod |
| Peterson School | 14.8 |
Montessori | Pre-KG-KG | 2 | 0.7 | Nonsectarian |
| Montessori Childrens House | 14.8 |
Montessori | Pre-KG-KG | 2 | 1.0 | Nonsectarian |
| Fallbrook Umc Preschool & Kindergarten | 14.9 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Methodist |
| New Bridge School | 15.0 |
Special education | 1-8 | 55 | 6.1 | Nonsectarian |
| Beautiful Saviour Lutheran School | 15.0 |
Regular elementary or secondary | KG-8 | 62 | 15.5 | Wisconsin Evangelical Lutheran Synod |
| Montessori Children's Elementary | 15.1 |
Montessori | Pre-KG-5 | 36 | 6.5 | Nonsectarian |
| Montessori Children's House | 15.1 |
Montessori | Pre-KG-5 | 36 | 9.2 | Nonsectarian |
| St Patricks School | 15.1 |
Regular elementary or secondary | KG-8 | 448 | 18.4 | Roman Catholic |
| Montessori Arts And Sciences School | 15.2 |
Montessori | 1-5 | 26 | 8.7 | Nonsectarian |
| Oasis Community | 15.2 |
Regular elementary or secondary | KG-1 | 10 | 10.0 | Nonsectarian |
| Casa Montessori De Carlsbad | 15.5 |
Montessori | Pre-KG-KG | 13 | 5.2 | Nonsectarian |
| Carlsbad Montessori School Inc | 15.6 |
Montessori | Pre-KG-3 | 22 | 11.0 | Nonsectarian |
| Oceanside Adventist Elementary | 16.0 |
Regular elementary or secondary | KG-8 | 87 | 17.4 | Seventh-Day Adventist |
| Solana Beach Presbyterian Preschool | 16.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 20 | 20.0 | Presbyterian |
| Discovery Isle Child Development Center | 16.3 |
Early childhood program/child care center | Pre-KG-KG | 17 | 17.0 | Nonsectarian |
| St James Academy | 16.7 |
Regular elementary or secondary | KG-8 | 271 | 19.6 | Roman Catholic |
| Montessori Learning Center | 16.8 |
Montessori | Pre-KG-KG | 20 | 12.5 | Nonsectarian |
| St Peter's Catholic School | 16.8 |
Regular elementary or secondary | Pre-KG-8 | 152 | 14.1 | Roman Catholic |
| Fallbrook Montessori School | 16.9 |
Montessori | Pre-KG-3 | 18 | 6.0 | Nonsectarian |
| Del Mar Pines School | 16.9 |
Regular elementary or secondary | KG-6 | 154 | 11.8 | Nonsectarian |
| Zion Lutheran School | 17.0 |
Regular elementary or secondary | Pre-KG-8 | 285 | 14.6 | Lutheran Church - Missouri Synod |
| St Mary Star Of The Sea School | 17.3 |
Regular elementary or secondary | KG-8 | 268 | 19.7 | Roman Catholic |
| St Stephen Lutheran School | 17.6 |
Regular elementary or secondary | Pre-KG-8 | 80 | 16.0 | Wisconsin Evangelical Lutheran Synod |
| Christ The Cornerstone Lutheran Academy | 17.7 |
Regular elementary or secondary | Pre-KG-6 | 93 | 13.1 | Lutheran Church - Missouri Synod |
| Notre Dame Academy | 17.7 |
Regular elementary or secondary | Pre-KG-8 | 288 | 11.7 | Roman Catholic |
| Del Mar Hills Nursery School | 18.2 |
Early childhood program/child care center | Pre-KG-KG | 10 | 11.1 | Nonsectarian |
| Chabad Hebrew Academy | 18.6 |
Regular elementary or secondary | Pre-KG-8 | 189 | 5.1 | Jewish |
| Good Shepherd Catholic School | 18.6 |
Regular elementary or secondary | KG-8 | 291 | 19.0 | Roman Catholic |
| Scripps Montessori School | 18.7 |
Montessori | Pre-KG-6 | 40 | 4.8 | Nonsectarian |
| Mira Mesa Christian School | 18.9 |
Regular elementary or secondary | KG-6 | 70 | 10.8 | Christian (no specific denomination) |
| Kinderhouse Montessori School | 19.0 |
Montessori | Pre-KG-KG | 15 | 1.1 | Nonsectarian |
| Kindercare Learning Center | 21.5 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Rancho Community Christian School | 21.6 |
Regular elementary or secondary | KG-8 | 636 | 18.2 | Other |
| Discovery Isle Child Development Center | 21.7 |
Early childhood program/child care center | Pre-KG-KG | 17 | 13.1 | Nonsectarian |
| Early Childhood Education Center Ucsd | 22.0 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| La Petite Academy | 22.5 |
Early childhood program/child care center | KG-KG | 10 | 10.0 | Nonsectarian |
| Hillcrest Academy | 22.5 |
Regular elementary or secondary | KG-8 | 238 | 12.1 | Nonsectarian |
| Kindercare Learning Centers | 23.0 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Nonsectarian |
| Foothills Christian Elementary School | 23.3 |
Alternative/other | KG-8 | 210 | 28.4 | Christian (no specific denomination) |
| Our Lady Of Perpetual Help School | 23.4 |
Regular elementary or secondary | KG-8 | 184 | 13.6 | Roman Catholic |
| Adventure Days Preschool | 24.1 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Baptist |
| St Jeanne De Lestonnac School | 24.1 |
Regular elementary or secondary | Pre-KG-8 | 391 | 13.8 | Roman Catholic |
| Mission Bay Montessori Academy | 24.2 |
Montessori | Pre-KG-6 | 290 | 9.7 | Nonsectarian |
| Reformation Lutheran School | 24.2 |
Regular elementary or secondary | Pre-KG-8 | 73 | 12.0 | Wisconsin Evangelical Lutheran Synod |
| The Childrens School | 24.3 |
Regular elementary or secondary | Pre-KG-6 | 127 | 8.4 | Nonsectarian |
| Abc Childcare Center | 24.5 |
Early childhood program/child care center | Pre-KG-KG | 20 | 10.0 | Jewish |
| Abc Preschool & Childcare Center | 24.5 |
Early childhood program/child care center | Pre-KG-KG | 30 | 10.7 | Episcopal |
| Temecula Montessori | 24.6 |
Montessori | Pre-KG-2 | 25 | 11.9 | Nonsectarian |
| Islamic School Of San Diego | 24.6 |
Regular elementary or secondary | KG-8 | 152 | 9.1 | Islamic |
| English French Learning Academy | 24.7 |
Special program emphasis | Pre-KG-4 | 14 | 4.0 | Nonsectarian |
| La Petite Ecole / English French Academy | 24.7 |
Special program emphasis | Pre-KG-4 | 13 | 3.9 | Nonsectarian |
| Maria Montessori Elementary School | 25.0 |
Montessori | KG-6 | 153 | 8.6 | Nonsectarian |
