| Friends Christian Elementary School | 0.4 |
Regular elementary or secondary | Pre-KG-8 | 914 | 22.9 | Friends |
| Yorba Linda Preschool & Kindergarten | 0.6 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Calvary Chapel Academy | 1.2 |
Regular elementary or secondary | Pre-KG-8 | 151 | 13.8 | Christian (no specific denomination) |
| Hillsborough Private | 1.3 |
Early childhood program/child care center | KG-KG | 18 | 18.0 | Nonsectarian |
| California Preschool & Kindergarten | 1.3 |
Early childhood program/child care center | Pre-KG-KG | 14 | 14.0 | Nonsectarian |
| Pine Tree Preschool Montessor | 1.9 |
Montessori | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Fairmont Private School | 2.0 |
Regular elementary or secondary | Pre-KG-8 | 490 | 14.7 | Nonsectarian |
| Integrity Christian School | 2.0 |
Early childhood program/child care center | KG-KG | 3 | 3.0 | Christian (no specific denomination) |
| Heritage Oak Private School | 2.0 |
Regular elementary or secondary | Pre-KG-8 | 533 | 9.4 | Nonsectarian |
| Little Friends Preschool & Kindergarten | 2.2 |
Early childhood program/child care center | Pre-KG-KG | 206 | 68.7 | Christian (no specific denomination) |
| Discovery Depot | 2.2 |
Early childhood program/child care center | Pre-KG-Trans. KG | 56 | 18.1 | Church of the Nazarene |
| Hephatha Lutheran School | 2.8 |
Regular elementary or secondary | Pre-KG-8 | 184 | 17.5 | Lutheran Church - Missouri Synod |
| Anaheim Hills Montessori | 2.9 |
Montessori | Pre-KG-5 | 70 | 11.7 | Nonsectarian |
| St Francis Of Assisi School | 3.4 |
Regular elementary or secondary | Pre-KG-8 | 509 | 18.9 | Roman Catholic |
| Placentia Towne & Country Early Education Center | 3.4 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| American Montessori Academy | 3.5 |
Montessori | Pre-KG-KG | 21 | 10.5 | Nonsectarian |
| St Joseph Elementary School | 3.6 |
Regular elementary or secondary | Pre-KG-8 | 273 | 21.0 | Roman Catholic |
| Trinity Lutheran Christian School | 3.7 |
Regular elementary or secondary | Pre-KG-8 | 178 | 16.2 | Other Lutheran |
| Hillsborough School | 4.1 |
Regular elementary or secondary | Pre-KG-8 | 125 | 8.9 | Nonsectarian |
| Brea Olinda Friends Christian School | 4.4 |
Regular elementary or secondary | Pre-KG-6 | 177 | 9.9 | Christian (no specific denomination) |
| June Bug Preschool | 4.5 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| St Paul's Lutheran School | 4.6 |
Regular elementary or secondary | Pre-KG-8 | 605 | 19.3 | Lutheran Church - Missouri Synod |
| Serrano Heights Academy | 4.8 |
Montessori | Pre-KG-2 | 20 | 7.7 | Nonsectarian |
| Independence Christian School | 4.8 |
Regular elementary or secondary | Pre-KG-8 | 179 | 15.4 | Christian (no specific denomination) |
| Tec-canal St Elementary School | 4.8 |
Special education | 1-8 | 88 | 8.0 | Nonsectarian |
| St Stephen's Lutheran Pre School & Kindergarten | 5.0 |
Early childhood program/child care center | Pre-KG-KG | 5 | 8.3 | Lutheran Church - Missouri Synod |
| Prime Time School | 5.0 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| Ivycrest Montessori Private School | 5.2 |
Montessori | Pre-KG-4 | 80 | 11.4 | Nonsectarian |
| Temple Beth Tikvah Early Childhood Learning Ctr | 5.3 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Jewish |
| St Juliana Falconieri School | 5.3 |
Regular elementary or secondary | KG-8 | 311 | 23.7 | Roman Catholic |
| The Childrens House | 5.4 |
Early childhood program/child care center | Pre-KG-KG | 15 | 15.0 | Christian (no specific denomination) |
| Salem Lutheran School | 5.4 |
Regular elementary or secondary | Pre-KG-8 | 440 | 20.5 | Lutheran Church - Missouri Synod |
| Oakridge Private School | 5.4 |
Regular elementary or secondary | Pre-KG-8 | 262 | 13.2 | Nonsectarian |
| Covenant Christian School | 5.5 |
Regular elementary or secondary | Pre-KG-8 | 118 | 9.0 | Presbyterian |
| First Congregational School | 5.6 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Other |
| St Norbert School | 5.6 |
Regular elementary or secondary | KG-8 | 293 | 25.3 | Roman Catholic |
| Kindercare Learning Centers Inc # 218 | 5.7 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| True Love Luthern Church | 5.8 |
Regular elementary or secondary | 1-1 | 5 | 2.5 | Lutheran Church - Missouri Synod |
| St Angela Merici School | 5.8 |
Regular elementary or secondary | KG-8 | 304 | 19.9 | Roman Catholic |
| Montessori Child Care Center | 5.9 |
Montessori | Pre-KG-KG | 6 | 2.1 | Nonsectarian |
| Montessori Of Brea | 6.0 |
Montessori | Pre-KG-5 | 35 | 4.2 | Nonsectarian |
| St Anthony Claret Elem School | 6.0 |
Regular elementary or secondary | Pre-KG-8 | 229 | 16.8 | Roman Catholic |
| Diamond Canyon Christian Preschool | 6.1 |
Early childhood program/child care center | Pre-KG-KG | 30 | 6.2 | Christian (no specific denomination) |
| American Montessori House | 6.1 |
Montessori | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Montessori School Of Diamond Bar | 6.2 |
Montessori | Pre-KG-KG | 12 | 4.3 | Nonsectarian |
| Christ Lutheran School | 6.3 |
Regular elementary or secondary | Pre-KG-8 | 156 | 17.1 | Lutheran Church - Missouri Synod |
| Anaheim Preschool & Kinderten | 6.4 |
Early childhood program/child care center | Pre-KG-KG | 20 | 2.3 | Nonsectarian |
| Zion Lutheran School | 6.4 |
Regular elementary or secondary | KG-8 | 229 | 17.9 | Lutheran Church - Missouri Synod |
| Dbc Children's Center | 6.7 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Church of Christ |
| La Purisima School | 6.7 |
Regular elementary or secondary | Pre-KG-8 | 244 | 14.5 | Roman Catholic |
| Berkeley School | 6.7 |
Special program emphasis | Pre-KG-5 | 41 | 8.4 | Nonsectarian |
| Creekside Christian School | 6.8 |
Regular elementary or secondary | KG-8 | 82 | 7.1 | Christian (no specific denomination) |
| The Creek | 7.2 |
Early childhood program/child care center | Pre-KG-KG | 16 | 16.0 | Christian (no specific denomination) |
| Chez Grand' Mere Preschool | 7.2 |
Early childhood program/child care center | Pre-KG-KG | 3 | 3.0 | Nonsectarian |
| Immanuel Lutheran School | 7.4 |
Regular elementary or secondary | Pre-KG-8 | 112 | 14.0 | Lutheran Church - Missouri Synod |
| St Johns Lutheran School | 7.4 |
Regular elementary or secondary | Pre-KG-8 | 674 | 21.3 | Lutheran Church - Missouri Synod |
| Montessori Learning Center | 7.4 |
Montessori | Pre-KG-1 | 17 | 8.5 | Nonsectarian |
| St Catherines Military School | 7.5 |
Regular elementary or secondary | KG-8 | 119 | 10.3 | Roman Catholic |
| Rossier Park Elementary School | 7.5 |
Special education | 1-7 | 74 | 8.2 | Nonsectarian |
| Good Earth Montessori School | 7.5 |
Montessori | Pre-KG-KG | 24 | 12.0 | Nonsectarian |
| Community School Of Central Orange County | 7.5 |
Alternative/other | KG-5 | 17 | 8.9 | Christian (no specific denomination) |
| Far Horizons Montessori | 7.6 |
Montessori | Pre-KG-8 | 129 | 10.8 | Nonsectarian |
| Fairmont Private Schools-citron | 7.7 |
Early childhood program/child care center | Pre-KG-Trans. KG | 98 | 6.7 | Nonsectarian |
| Carden Heights Of Orange | 7.9 |
Regular elementary or secondary | KG-8 | 95 | 6.4 | Christian (no specific denomination) |
| Loving Savior Of The Hills Lutheran School | 7.9 |
Regular elementary or secondary | Pre-KG-8 | 178 | 15.3 | Lutheran Church - Missouri Synod |
| Chez Grand Mere Preschool | 7.9 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Nonsectarian |
| Holy Family Cathedal School | 8.0 |
Regular elementary or secondary | Pre-KG-8 | 520 | 19.6 | Roman Catholic |
| The Prentice School | 8.0 |
Special education | Pre-KG-8 | 209 | 9.2 | Nonsectarian |
| Kandyland Academy | 8.1 |
Early childhood program/child care center | Pre-KG-Trans. 1 | 22 | 11.6 | Nonsectarian |
| Providence Preschool | 8.1 |
Special education | Pre-KG-Trans. KG | 30 | 10.0 | Nonsectarian |
| La Petite Academy | 8.2 |
Early childhood program/child care center | KG-Trans. KG | 30 | 30.0 | Nonsectarian |
| Kindercare Learning Center | 8.2 |
Early childhood program/child care center | Pre-KG-KG | 18 | 11.2 | Nonsectarian |
| Fairway Education Center | 8.2 |
Early childhood program/child care center | Pre-KG-KG | 26 | 13.0 | Nonsectarian |
| Discovery World Montessori | 8.2 |
Montessori | Pre-KG-2 | 25 | 25.0 | Nonsectarian |
| Chez Grand Mere Preschool | 8.2 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| Lycee International De Los Angeles - Orange County | 8.3 |
Special program emphasis | Pre-KG-5 | 113 | 14.1 | Nonsectarian |
| Fairmont Private Schools | 8.4 |
Regular elementary or secondary | 1-6 | 395 | 13.3 | Nonsectarian |
| Happy Day Education Center | 8.5 |
Alternative/other | Pre-KG-6 | 45 | 9.0 | Christian (no specific denomination) |
| Plumfield School | 8.5 |
Early childhood program/child care center | Pre-KG-Trans. KG | 18 | 18.0 | Nonsectarian |
| Montessori School Of Chino Hills | 8.6 |
Montessori | Pre-KG-1 | 12 | 6.0 | Nonsectarian |
| Chino Hills Christian School | 8.6 |
Regular elementary or secondary | KG-6 | 222 | 22.2 | Christian (no specific denomination) |
| Prince Of Peace Lutheran School | 8.7 |
Regular elementary or secondary | KG-8 | 116 | 10.7 | Lutheran Church - Missouri Synod |
| Arborland Montessori Children's Academy | 8.8 |
Montessori | Pre-KG-6 | 74 | 10.1 | Nonsectarian |
| Mt Calvary Lutheran School | 8.8 |
Regular elementary or secondary | Pre-KG-8 | 190 | 18.8 | Lutheran Church - Missouri Synod |
| Leading Edge Christian Preschool & Kindergarten | 8.9 |
Early childhood program/child care center | KG-KG | 10 | 10.0 | Church of Christ |
| Foothill Montessori School Llc | 8.9 |
Montessori | Pre-KG-KG | 13 | 2.6 | Nonsectarian |
| Grand Avenue Christian | 8.9 |
Regular elementary or secondary | Pre-KG-6 | 35 | 6.6 | Methodist |
| Kids Adventure Learning Center | 8.9 |
Early childhood program/child care center | Pre-KG-KG | 5 | 1.7 | Nonsectarian |
| Village Montessori Academy | 9.0 |
Montessori | Pre-KG-KG | 26 | 13.0 | Nonsectarian |
| Fairmont Private School (edgewood Campus) | 9.1 |
Regular elementary or secondary | Pre-KG-8 | 297 | 12.1 | Nonsectarian |
| Fullerton Christian Preschool | 9.2 |
Early childhood program/child care center | Pre-KG-KG | 12 | 2.5 | Christian (no specific denomination) |
| The Islamic Edu School | 9.2 |
Regular elementary or secondary | KG-6 | 62 | 4.0 | Islamic |
| Pla-skool In The Pines | 9.2 |
Early childhood program/child care center | Pre-KG-KG | 7 | 3.9 | Nonsectarian |
| Idaho Kiddie Land | 9.2 |
Early childhood program/child care center | Pre-KG-KG | 3 | 0.8 | Nonsectarian |
| Tara Hill Montessori School | 9.2 |
Montessori | Pre-KG-Trans. KG | 5 | 5.0 | Nonsectarian |
| Annunciation Catholic School | 9.3 |
Regular elementary or secondary | Pre-KG-8 | 168 | 18.7 | Roman Catholic |
| Diamond Bar Montessori Academy | 9.3 |
Montessori | Pre-KG-3 | 9 | 1.0 | Nonsectarian |
| Kindercare Learning Centers Inc #743 | 9.3 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| St Callistus School | 9.4 |
Regular elementary or secondary | Pre-KG-8 | 216 | 18.6 | Roman Catholic |
| Calvary Christian School | 9.4 |
Regular elementary or secondary | 1-8 | 492 | 15.4 | Christian (no specific denomination) |
| Bumble Bee Christian Learning Center | 9.4 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Christian (no specific denomination) |
| West Fullerton Christain School | 9.4 |
Regular elementary or secondary | 1-8 | 56 | 8.8 | Christian (no specific denomination) |
| Grace Harbor Church School | 9.5 |
Regular elementary or secondary | Pre-KG-5 | 64 | 10.7 | Baptist |
| Page Private School-garden Grove | 9.5 |
Regular elementary or secondary | Pre-KG-6 | 87 | 12.4 | Nonsectarian |
| Walnut Valley Montessori School | 9.6 |
Montessori | Pre-KG-6 | 28 | 8.0 | Nonsectarian |
| St Justin Martyr Elem School | 9.7 |
Regular elementary or secondary | KG-8 | 231 | 20.1 | Roman Catholic |
| Hillview Acres School Inc | 9.7 |
Special education | 3-8 | 8 | 4.0 | Nonsectarian |
| The Cross Christian School | 9.7 |
Regular elementary or secondary | Pre-KG-3 | 51 | 4.7 | Christian (no specific denomination) |
| Walnut United Methodist Preschool | 9.7 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Methodist |
| First Baptist Church Children''s Center | 9.8 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Baptist |
| Cathys Kids Club | 9.9 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| St Joseph Elementary School | 9.9 |
Regular elementary or secondary | KG-8 | 241 | 24.1 | Roman Catholic |
| Storybook Preschool | 10.0 |
Regular elementary or secondary | Pre-KG-4 | 48 | 8.6 | Nonsectarian |
| Bel-air Christian School | 10.1 |
Early childhood program/child care center | KG-KG | 17 | 18.9 | Christian (no specific denomination) |
| Edgewood Preprimary Academy | 10.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 17 | 3.0 | Nonsectarian |
| Red Hill Lutheran School | 10.1 |
Regular elementary or secondary | Pre-KG-8 | 287 | 16.6 | Evangelical Lutheran Church in America |
| Amaanah Greenbrier Montessori | 10.1 |
Montessori | KG-5 | 50 | 6.3 | Nonsectarian |
| Montessori Academy Of Phillips Ranch | 10.1 |
Montessori | Pre-KG-KG | 6 | 2.3 | Nonsectarian |
| Newport Avenue Preschool And Kindergarten | 10.2 |
Early childhood program/child care center | KG-KG | 6 | 6.0 | Nonsectarian |
| Childtime Learning Center | 10.2 |
Early childhood program/child care center | Pre-KG-KG | 22 | 11.0 | Nonsectarian |
| Whittier Chr Schools-maybrook Campus | 10.2 |
Regular elementary or secondary | Pre-KG-6 | 398 | 15.7 | Roman Catholic |
| Primanti Montessori School Whi | 10.2 |
Montessori | Pre-KG-8 | 95 | 6.4 | Nonsectarian |
| St Jeanne De Lestonnac School | 10.2 |
Regular elementary or secondary | Pre-KG-8 | 418 | 17.5 | Roman Catholic |
| New Hope Christian Schools | 10.2 |
Regular elementary or secondary | Pre-KG-6 | 100 | 13.3 | Methodist |
| St Olaf Preschool | 10.3 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Other Lutheran |
| Cornerstone Christian School | 10.3 |
Regular elementary or secondary | Pre-KG-6 | 91 | 13.0 | Church of the Nazarene |
| Victory Christian Schools | 10.4 |
Regular elementary or secondary | KG-6 | 126 | 16.6 | Baptist |
| Kindercare Learning Center | 10.4 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Chino Valley Christian Schools | 10.5 |
Regular elementary or secondary | Pre-KG-8 | 280 | 10.0 | Christian (no specific denomination) |
| Childrens Montessori Center | 10.5 |
Montessori | Pre-KG-1 | 14 | 4.0 | Nonsectarian |
| Carden Whittier School | 10.8 |
Regular elementary or secondary | Pre-KG-8 | 391 | 13.3 | Christian (no specific denomination) |
| Tutor Time Child Care Learning Centers | 10.9 |
Early childhood program/child care center | Pre-KG-KG | 24 | 12.0 | Nonsectarian |
| Beatitudes Of Our Lord Catholic School | 10.9 |
Regular elementary or secondary | KG-8 | 274 | 22.6 | Roman Catholic |
| Montessori House Of Children | 10.9 |
Montessori | Pre-KG-5 | 11 | 5.5 | Nonsectarian |
| King Of Kings Lutheran | 10.9 |
Regular elementary or secondary | Pre-KG-8 | 52 | 8.7 | Wisconsin Evangelical Lutheran Synod |
| St Columban Elementary School | 10.9 |
Regular elementary or secondary | KG-8 | 243 | 21.1 | Roman Catholic |
| Molokan Elementary School | 11.0 |
Regular elementary or secondary | Pre-KG-6 | 47 | 6.0 | Other |
| Countrywood Elementary School | 11.1 |
Regular elementary or secondary | Pre-KG-8 | 51 | 10.2 | Nonsectarian |
| Small Wonders Children Center | 11.1 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Assembly of God |
| Kid Junction | 11.2 |
Early childhood program/child care center | Pre-KG-KG | 16 | 8.0 | Christian (no specific denomination) |
| St Cecilia School | 11.2 |
Regular elementary or secondary | Pre-KG-8 | 298 | 15.4 | Roman Catholic |
| St Pius V School | 11.2 |
Regular elementary or secondary | KG-8 | 565 | 27.4 | Roman Catholic |
| La Mirada Heights Christian Preschool & Elementary | 11.2 |
Regular elementary or secondary | Pre-KG-6 | 356 | 20.9 | Christian (no specific denomination) |
| St Bruno Parish School | 11.4 |
Regular elementary or secondary | KG-8 | 309 | 19.6 | Roman Catholic |
| St Martha's School | 11.4 |
Regular elementary or secondary | 1-8 | 220 | 20.9 | Roman Catholic |
| Tutor Time Child Care/learning Center | 11.5 |
Early childhood program/child care center | Pre-KG-KG | 18 | 18.0 | Nonsectarian |
| St Anne School | 11.5 |
Regular elementary or secondary | Pre-KG-8 | 214 | 19.4 | Roman Catholic |
| St Paul's Lutheran School | 11.5 |
Regular elementary or secondary | Pre-KG-8 | 178 | 17.8 | Lutheran Church - Missouri Synod |
| St Margaret Mary School | 11.5 |
Regular elementary or secondary | Pre-KG-8 | 275 | 21.5 | Roman Catholic |
| Kiddie Korner | 11.6 |
Early childhood program/child care center | Pre-KG-KG | 15 | 11.5 | Baptist |
| Crosspoint Children's Center | 11.6 |
Early childhood program/child care center | Pre-KG-KG | 17 | 8.5 | Calvinist |
| Santa Clara Day Nursery | 11.6 |
Early childhood program/child care center | Pre-KG-KG | 21 | 10.5 | Roman Catholic |
| Montessori Schools Of Irvine | 11.7 |
Montessori | Pre-KG-1 | 50 | 12.2 | Nonsectarian |
| Northwood Montessori Of Irvine | 11.7 |
Montessori | Pre-KG-1 | 56 | 11.2 | Nonsectarian |
| United Christian Education Center | 11.9 |
Early childhood program/child care center | Pre-KG-KG | 20 | 13.3 | Christian (no specific denomination) |
| Tiny Tot Christian School | 11.9 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Christian (no specific denomination) |
| School Of Our Lady | 11.9 |
Regular elementary or secondary | KG-8 | 231 | 19.2 | Roman Catholic |
| East Whittier Umc Childrens Ctr | 12.1 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.6 | Methodist |
| St Joseph Elementary School | 12.2 |
Regular elementary or secondary | KG-8 | 244 | 21.4 | Roman Catholic |
| South Coast Metro Children's Village | 12.4 |
Early childhood program/child care center | Pre-KG-KG | 16 | 5.5 | Nonsectarian |
| Montessori Academy Of Corona | 12.4 |
Montessori | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| St Mark's Lutheran School | 12.5 |
Regular elementary or secondary | Pre-KG-8 | 674 | 18.3 | Evangelical Lutheran Church in America |
| Alice's Preschool | 12.5 |
Early childhood program/child care center | Pre-KG-KG | 6 | 2.1 | Nonsectarian |
| St Polycarp Elementary School | 12.6 |
Regular elementary or secondary | KG-8 | 126 | 14.0 | Roman Catholic |
| Orange Crescent School | 12.6 |
Regular elementary or secondary | KG-8 | 405 | 11.6 | Islamic |
| Christ Lutheran School & Daycare | 12.7 |
Early childhood program/child care center | Pre-KG-Trans. KG | 3 | 0.3 | Evangelical Lutheran Church in America |
| New Hope Assembly Of God Christian School | 12.7 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.0 | Assembly of God |
| South Hills Academy | 12.7 |
Regular elementary or secondary | KG-8 | 389 | 14.0 | Other |
| St Joseph Elementary School | 12.7 |
Regular elementary or secondary | 1-8 | 227 | 20.1 | Roman Catholic |
| La Mirada Preschool | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Childrens Montessori Center Of Via Verde | 12.8 |
Montessori | Pre-KG-1 | 27 | 7.1 | Nonsectarian |
| Grace Lutheran School | 12.8 |
Regular elementary or secondary | KG-8 | 75 | 13.6 | Lutheran Church - Missouri Synod |
| Ari Guiragos Minassian Armenian School | 12.9 |
Regular elementary or secondary | Pre-KG-6 | 47 | 3.5 | Christian (no specific denomination) |
| St Barbara Elementary School | 12.9 |
Regular elementary or secondary | KG-8 | 454 | 21.6 | Roman Catholic |
| Children's Learning Center | 12.9 |
Regular elementary or secondary | Pre-KG-5 | 23 | 9.2 | Nonsectarian |
| Lampson Grove Day | 12.9 |
Regular elementary or secondary | Pre-KG-5 | 53 | 17.7 | Christian (no specific denomination) |
| St Paul Of The Cross School | 13.0 |
Regular elementary or secondary | KG-8 | 205 | 17.4 | Roman Catholic |
| St Madeleine School | 13.0 |
Regular elementary or secondary | KG-8 | 177 | 17.5 | Roman Catholic |
| L'heritage Francais | 13.1 |
Regular elementary or secondary | Pre-KG-5 | 44 | 6.3 | Nonsectarian |
| Kindergarten Ranch School | 13.1 |
Special program emphasis | Pre-KG-3 | 9 | 2.7 | Christian (no specific denomination) |
| West Covina Hills Adventist School | 13.1 |
Regular elementary or secondary | KG-8 | 54 | 12.6 | Seventh-Day Adventist |
| Faith Lutheran Church And School | 13.2 |
Regular elementary or secondary | Pre-KG-7 | 65 | 16.2 | Lutheran Church - Missouri Synod |
| New Montessori School | 13.2 |
Montessori | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Childrens Academy | 13.2 |
Early childhood program/child care center | Pre-KG-KG | 8 | 5.0 | Nonsectarian |
| Whittier Adventist Elm School | 13.2 |
Regular elementary or secondary | KG-8 | 18 | 8.6 | Seventh-Day Adventist |
| Montessori Academy Of West Covina | 13.3 |
Montessori | Pre-KG-KG | 19 | 4.1 | Nonsectarian |
| St Stephen Pre School Academy | 13.3 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Baptist |
| Kindercare Learning Center #1763 Westpark | 13.4 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| First Christian Church Child Dev Ctr | 13.4 |
Regular elementary or secondary | Pre-KG-2 | 15 | 15.0 | Christian (no specific denomination) |
| New Horizon Elementary School, Irvine | 13.5 |
Regular elementary or secondary | Pre-KG-6 | 149 | 5.3 | Islamic |
| St Gregory The Great School | 13.5 |
Regular elementary or secondary | KG-8 | 281 | 26.5 | Roman Catholic |
| Stepping Stones Christian School | 13.5 |
Regular elementary or secondary | KG-2 | 41 | 13.7 | Christian (no specific denomination) |
| Stepping Stones Christian School | 13.5 |
Regular elementary or secondary | Pre-KG-2 | 40 | 13.3 | Christian (no specific denomination) |
| Crescent Ave Christian School | 13.5 |
Regular elementary or secondary | Pre-KG-6 | 89 | 12.2 | Church of the Nazarene |
| St Edward School | 13.5 |
Regular elementary or secondary | Pre-KG-8 | 425 | 19.3 | Roman Catholic |
| La Palma Christian | 13.6 |
Regular elementary or secondary | Pre-KG-6 | 78 | 11.1 | Assembly of God |
| Childrens World Learning Center | 13.6 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Lacc Children's House | 13.6 |
Early childhood program/child care center | Pre-KG-KG | 1 | 1.0 | Other |
| Concordia Lutheran School | 13.6 |
Regular elementary or secondary | Pre-KG-6 | 44 | 11.0 | Lutheran Church - Missouri Synod |
| Mulberry Tree Preschool | 13.6 |
Early childhood program/child care center | KG-KG | 17 | 8.5 | Nonsectarian |
| Discovery Montessori Preschool Kindergarten | 13.7 |
Montessori | Pre-KG-Trans. KG | 25 | 3.9 | Nonsectarian |
| Montessori School Of Corona | 13.7 |
Montessori | Pre-KG-8 | 123 | 12.3 | Nonsectarian |
| Ontario Christian School | 13.7 |
Regular elementary or secondary | Pre-KG-8 | 894 | 14.4 | Calvinist |
| Christ Lutheran School | 13.8 |
Regular elementary or secondary | Pre-KG-8 | 255 | 21.4 | Evangelical Lutheran Church in America |
| Dove Day School | 13.8 |
Regular elementary or secondary | Pre-KG-7 | 63 | 12.9 | Nonsectarian |
| Calvary Chapel Christian Academy | 13.8 |
Regular elementary or secondary | KG-6 | 54 | 13.5 | Other |
| Kindercare Learning Centers Inc#465 | 13.9 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| Delhaven Preschool | 13.9 |
Early childhood program/child care center | Pre-KG-KG | 4 | 3.1 | Disciples of Christ |
| Kindercare Learning Center Cerritos | 13.9 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Sacred Heart Elementary School | 13.9 |
Regular elementary or secondary | KG-8 | 294 | 17.7 | Roman Catholic |
| Covina Gateway Montessori School | 13.9 |
Montessori | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Sunset Christian School | 14.0 |
Regular elementary or secondary | Pre-KG-8 | 117 | 11.7 | Methodist |
| Gateway Preschool/daycare | 14.0 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Other |
| Ready Set Grow Preschool And Kindergarten | 14.0 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Calvary Chapel Christian School Of Cypress | 14.1 |
Regular elementary or secondary | Pre-KG-6 | 108 | 12.1 | Christian (no specific denomination) |
| Covina Development Center | 14.1 |
Alternative/other | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| St Irenaeus Parish School | 14.1 |
Regular elementary or secondary | KG-8 | 436 | 17.7 | Roman Catholic |
| Immanuel First Lutheran School | 14.1 |
Regular elementary or secondary | Pre-KG-8 | 117 | 11.9 | Lutheran Church - Missouri Synod |
| Bethany Child Care Center | 14.1 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Christian (no specific denomination) |
| St Christopher Parish School | 14.1 |
Regular elementary or secondary | KG-8 | 260 | 20.2 | Roman Catholic |
| Montclair Christian Elementary | 14.2 |
Regular elementary or secondary | Pre-KG-6 | 38 | 7.6 | Assembly of God |
| Acacia Montessori Center | 14.2 |
Montessori | Pre-KG-KG | 11 | 4.4 | Nonsectarian |
| Ontario Progressive Montessori School | 14.2 |
Montessori | KG-1 | 17 | 5.7 | Nonsectarian |
| Joyland Nursery School And Kin | 14.2 |
Early childhood program/child care center | KG-KG | 11 | 11.0 | Nonsectarian |
| Cypress Montessori Academy | 14.3 |
Montessori | Pre-KG-KG | 12 | 9.2 | Nonsectarian |
| Little School Of The West | 14.3 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Christian (no specific denomination) |
| Our Lady Of Lourdes School | 14.3 |
Regular elementary or secondary | KG-8 | 211 | 26.4 | Roman Catholic |
| Kiddies Castle Montessori School | 14.3 |
Montessori | Pre-KG-KG | 6 | 1.9 | Nonsectarian |
| St Linus Catholic Elementary School | 14.3 |
Regular elementary or secondary | Pre-KG-8 | 264 | 19.6 | Roman Catholic |
| Sonrise Christian School | 14.3 |
Regular elementary or secondary | Pre-KG-8 | 464 | 19.9 | Church of Christ |
| Sonrise Christian School | 14.3 |
Regular elementary or secondary | KG-8 | 463 | 20.5 | Church of Christ |
| Kindercare Learning Center | 14.3 |
Early childhood program/child care center | Pre-KG-KG | 15 | 7.5 | Nonsectarian |
| The Broadoaks Childrens School | 14.3 |
Regular elementary or secondary | KG-6 | 193 | 9.7 | Nonsectarian |
| Church On The Hill Christian Child Care Center | 14.5 |
Early childhood program/child care center | KG-KG | 23 | 11.5 | Other |
| Oralingua School | 14.5 |
Special education | Pre-KG-4 | 51 | 8.5 | Nonsectarian |
| Grace Christian School | 14.5 |
Regular elementary or secondary | KG-6 | 435 | 16.8 | Christian (no specific denomination) |
| Leport Schools - Irvine | 14.5 |
Montessori | Pre-KG-KG | 11 | 2.2 | Nonsectarian |
| First Baptist Preschool | 14.5 |
Early childhood program/child care center | Pre-KG-Trans. KG | 23 | 1.8 | Baptist |
| Whittier Friends School | 14.6 |
Regular elementary or secondary | Pre-KG-4 | 14 | 7.0 | Friends |
| Mount Zion Christian School | 14.6 |
Early childhood program/child care center | Pre-KG-KG | 8 | 4.0 | Christian (no specific denomination) |
| Jenny Hart Early Education Center | 14.6 |
Early childhood program/child care center | Pre-KG-KG | 17 | 8.5 | Presbyterian |
| Bethany Christian Academy | 14.7 |
Regular elementary or secondary | KG-8 | 150 | 11.1 | Christian (no specific denomination) |
| Covina Christian Preschool | 14.7 |
Early childhood program/child care center | Pre-KG-KG | 11 | 4.8 | Assembly of God |
| Sonrise Christian School-san Dimas | 14.7 |
Regular elementary or secondary | Pre-KG-5 | 119 | 18.0 | Christian (no specific denomination) |
| Montessori Greenhouse School | 14.7 |
Montessori | Pre-KG-6 | 111 | 16.1 | Nonsectarian |
| American Future Learning Center | 14.7 |
Alternative/other | Pre-KG-5 | 39 | 24.4 | Nonsectarian |
| Carden Academy Of Fountain Valley_ | 14.8 |
Regular elementary or secondary | Pre-KG-8 | 205 | 10.2 | Nonsectarian |
| Victory Outreach Children's Learning Center | 14.8 |
Regular elementary or secondary | Pre-KG-5 | 20 | 10.0 | Christian (no specific denomination) |
| St Mary Of The Assumption School | 14.8 |
Regular elementary or secondary | KG-8 | 240 | 21.8 | Roman Catholic |
| Creative Care | 14.8 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
