| Oakridge Private School | 1.0 |
Regular elementary or secondary | Pre-KG-8 | 262 | 13.2 | Nonsectarian |
| La Purisima School | 1.9 |
Regular elementary or secondary | Pre-KG-8 | 244 | 14.5 | Roman Catholic |
| Serrano Heights Academy | 1.9 |
Montessori | Pre-KG-2 | 20 | 7.7 | Nonsectarian |
| American Montessori Academy | 2.3 |
Montessori | Pre-KG-KG | 21 | 10.5 | Nonsectarian |
| The Creek | 2.7 |
Early childhood program/child care center | Pre-KG-KG | 16 | 16.0 | Christian (no specific denomination) |
| Hephatha Lutheran School | 2.8 |
Regular elementary or secondary | Pre-KG-8 | 184 | 17.5 | Lutheran Church - Missouri Synod |
| Carden Heights Of Orange | 3.0 |
Regular elementary or secondary | KG-8 | 95 | 6.4 | Christian (no specific denomination) |
| Independence Christian School | 3.0 |
Regular elementary or secondary | Pre-KG-8 | 179 | 15.4 | Christian (no specific denomination) |
| Trinity Lutheran Christian School | 3.1 |
Regular elementary or secondary | Pre-KG-8 | 178 | 16.2 | Other Lutheran |
| Anaheim Hills Montessori | 3.1 |
Montessori | Pre-KG-5 | 70 | 11.7 | Nonsectarian |
| The Childrens House | 3.2 |
Early childhood program/child care center | Pre-KG-KG | 15 | 15.0 | Christian (no specific denomination) |
| The Prentice School | 3.2 |
Special education | Pre-KG-8 | 209 | 9.2 | Nonsectarian |
| Tec-canal St Elementary School | 3.3 |
Special education | 1-8 | 88 | 8.0 | Nonsectarian |
| Fairmont Private School | 3.4 |
Regular elementary or secondary | Pre-KG-8 | 490 | 14.7 | Nonsectarian |
| Creekside Christian School | 3.5 |
Regular elementary or secondary | KG-8 | 82 | 7.1 | Christian (no specific denomination) |
| Rossier Park Elementary School | 3.6 |
Special education | 1-7 | 74 | 8.2 | Nonsectarian |
| Integrity Christian School | 3.6 |
Early childhood program/child care center | KG-KG | 3 | 3.0 | Christian (no specific denomination) |
| St Paul's Lutheran School | 3.7 |
Regular elementary or secondary | Pre-KG-8 | 605 | 19.3 | Lutheran Church - Missouri Synod |
| St Norbert School | 3.8 |
Regular elementary or secondary | KG-8 | 293 | 25.3 | Roman Catholic |
| Prime Time School | 3.9 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| Foothill Montessori School Llc | 3.9 |
Montessori | Pre-KG-KG | 13 | 2.6 | Nonsectarian |
| Covenant Christian School | 3.9 |
Regular elementary or secondary | Pre-KG-8 | 118 | 9.0 | Presbyterian |
| Immanuel Lutheran School | 3.9 |
Regular elementary or secondary | Pre-KG-8 | 112 | 14.0 | Lutheran Church - Missouri Synod |
| Fairmont Private School (edgewood Campus) | 4.1 |
Regular elementary or secondary | Pre-KG-8 | 297 | 12.1 | Nonsectarian |
| St Johns Lutheran School | 4.1 |
Regular elementary or secondary | Pre-KG-8 | 674 | 21.3 | Lutheran Church - Missouri Synod |
| Lycee International De Los Angeles - Orange County | 4.1 |
Special program emphasis | Pre-KG-5 | 113 | 14.1 | Nonsectarian |
| June Bug Preschool | 4.2 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Hillsborough School | 4.3 |
Regular elementary or secondary | Pre-KG-8 | 125 | 8.9 | Nonsectarian |
| Plumfield School | 4.3 |
Early childhood program/child care center | Pre-KG-Trans. KG | 18 | 18.0 | Nonsectarian |
| Grace Harbor Church School | 4.5 |
Regular elementary or secondary | Pre-KG-5 | 64 | 10.7 | Baptist |
| Holy Family Cathedal School | 4.5 |
Regular elementary or secondary | Pre-KG-8 | 520 | 19.6 | Roman Catholic |
| Calvary Chapel Academy | 4.7 |
Regular elementary or secondary | Pre-KG-8 | 151 | 13.8 | Christian (no specific denomination) |
| Far Horizons Montessori | 4.9 |
Montessori | Pre-KG-8 | 129 | 10.8 | Nonsectarian |
| Calvary Christian School | 5.0 |
Regular elementary or secondary | 1-8 | 492 | 15.4 | Christian (no specific denomination) |
| Red Hill Lutheran School | 5.0 |
Regular elementary or secondary | Pre-KG-8 | 287 | 16.6 | Evangelical Lutheran Church in America |
| Grand Avenue Christian | 5.1 |
Regular elementary or secondary | Pre-KG-6 | 35 | 6.6 | Methodist |
| Edgewood Preprimary Academy | 5.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 17 | 3.0 | Nonsectarian |
| Providence Preschool | 5.2 |
Special education | Pre-KG-Trans. KG | 30 | 10.0 | Nonsectarian |
| Chez Grand Mere Preschool | 5.2 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Nonsectarian |
| St Francis Of Assisi School | 5.2 |
Regular elementary or secondary | Pre-KG-8 | 509 | 18.9 | Roman Catholic |
| Cathys Kids Club | 5.2 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| Newport Avenue Preschool And Kindergarten | 5.3 |
Early childhood program/child care center | KG-KG | 6 | 6.0 | Nonsectarian |
| California Preschool & Kindergarten | 5.4 |
Early childhood program/child care center | Pre-KG-KG | 14 | 14.0 | Nonsectarian |
| Friends Christian Elementary School | 5.4 |
Regular elementary or secondary | Pre-KG-8 | 914 | 22.9 | Friends |
| Calvary Christian School | 5.4 |
Regular elementary or secondary | Pre-KG-8 | 79 | 6.6 | Baptist |
| Yorba Linda Preschool & Kindergarten | 5.6 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Kindercare Learning Centers Inc # 218 | 5.7 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| St Jeanne De Lestonnac School | 5.7 |
Regular elementary or secondary | Pre-KG-8 | 418 | 17.5 | Roman Catholic |
| American Montessori House | 5.7 |
Montessori | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Hillsborough Private | 6.0 |
Early childhood program/child care center | KG-KG | 18 | 18.0 | Nonsectarian |
| Tutor Time Child Care/learning Center | 6.1 |
Early childhood program/child care center | Pre-KG-KG | 18 | 18.0 | Nonsectarian |
| St Joseph Elementary School | 6.1 |
Regular elementary or secondary | KG-8 | 241 | 24.1 | Roman Catholic |
| Montessori Schools Of Irvine | 6.3 |
Montessori | Pre-KG-1 | 50 | 12.2 | Nonsectarian |
| Northwood Montessori Of Irvine | 6.3 |
Montessori | Pre-KG-1 | 56 | 11.2 | Nonsectarian |
| St Cecilia School | 6.4 |
Regular elementary or secondary | Pre-KG-8 | 298 | 15.4 | Roman Catholic |
| First Congregational School | 6.5 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Other |
| Storybook Preschool | 6.5 |
Regular elementary or secondary | Pre-KG-4 | 48 | 8.6 | Nonsectarian |
| First Baptist Church Children''s Center | 6.5 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Baptist |
| Placentia Towne & Country Early Education Center | 6.6 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| St Joseph Elementary School | 6.7 |
Regular elementary or secondary | Pre-KG-8 | 273 | 21.0 | Roman Catholic |
| Pine Tree Preschool Montessor | 6.9 |
Montessori | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Little Friends Preschool & Kindergarten | 6.9 |
Early childhood program/child care center | Pre-KG-KG | 206 | 68.7 | Christian (no specific denomination) |
| Heritage Oak Private School | 6.9 |
Regular elementary or secondary | Pre-KG-8 | 533 | 9.4 | Nonsectarian |
| St Callistus School | 7.0 |
Regular elementary or secondary | Pre-KG-8 | 216 | 18.6 | Roman Catholic |
| Montessori Child Care Center | 7.0 |
Montessori | Pre-KG-KG | 6 | 2.1 | Nonsectarian |
| St Anthony Claret Elem School | 7.0 |
Regular elementary or secondary | Pre-KG-8 | 229 | 16.8 | Roman Catholic |
| Zion Lutheran School | 7.0 |
Regular elementary or secondary | KG-8 | 229 | 17.9 | Lutheran Church - Missouri Synod |
| Discovery Depot | 7.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 56 | 18.1 | Church of the Nazarene |
| Anaheim Preschool & Kinderten | 7.3 |
Early childhood program/child care center | Pre-KG-KG | 20 | 2.3 | Nonsectarian |
| St Anne School | 7.4 |
Regular elementary or secondary | Pre-KG-8 | 214 | 19.4 | Roman Catholic |
| St Stephen's Lutheran Pre School & Kindergarten | 7.5 |
Early childhood program/child care center | Pre-KG-KG | 5 | 8.3 | Lutheran Church - Missouri Synod |
| True Love Luthern Church | 7.5 |
Regular elementary or secondary | 1-1 | 5 | 2.5 | Lutheran Church - Missouri Synod |
| Community School Of Central Orange County | 7.5 |
Alternative/other | KG-5 | 17 | 8.9 | Christian (no specific denomination) |
| Ivycrest Montessori Private School | 7.7 |
Montessori | Pre-KG-4 | 80 | 11.4 | Nonsectarian |
| South Coast Metro Children's Village | 7.8 |
Early childhood program/child care center | Pre-KG-KG | 16 | 5.5 | Nonsectarian |
| Page Private School-garden Grove | 7.9 |
Regular elementary or secondary | Pre-KG-6 | 87 | 12.4 | Nonsectarian |
| St Catherines Military School | 8.0 |
Regular elementary or secondary | KG-8 | 119 | 10.3 | Roman Catholic |
| Montessori Learning Center | 8.0 |
Montessori | Pre-KG-1 | 17 | 8.5 | Nonsectarian |
| Small Wonders Children Center | 8.0 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Assembly of God |
| New Horizon Elementary School, Irvine | 8.1 |
Regular elementary or secondary | Pre-KG-6 | 149 | 5.3 | Islamic |
| Fairmont Private Schools-citron | 8.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 98 | 6.7 | Nonsectarian |
| Kindercare Learning Center #1763 Westpark | 8.2 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| St Juliana Falconieri School | 8.2 |
Regular elementary or secondary | KG-8 | 311 | 23.7 | Roman Catholic |
| Temple Beth Tikvah Early Childhood Learning Ctr | 8.4 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Jewish |
| Chez Grand' Mere Preschool | 8.5 |
Early childhood program/child care center | Pre-KG-KG | 3 | 3.0 | Nonsectarian |
| Prince Of Peace Lutheran School | 8.5 |
Regular elementary or secondary | KG-8 | 116 | 10.7 | Lutheran Church - Missouri Synod |
| School Of Our Lady | 8.5 |
Regular elementary or secondary | KG-8 | 231 | 19.2 | Roman Catholic |
| Fairmont Private Schools | 8.7 |
Regular elementary or secondary | 1-6 | 395 | 13.3 | Nonsectarian |
| St Olaf Preschool | 8.7 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Other Lutheran |
| Leading Edge Christian Preschool & Kindergarten | 8.8 |
Early childhood program/child care center | KG-KG | 10 | 10.0 | Church of Christ |
| King Of Kings Lutheran | 8.9 |
Regular elementary or secondary | Pre-KG-8 | 52 | 8.7 | Wisconsin Evangelical Lutheran Synod |
| Berkeley School | 8.9 |
Special program emphasis | Pre-KG-5 | 41 | 8.4 | Nonsectarian |
| Brea Olinda Friends Christian School | 9.0 |
Regular elementary or secondary | Pre-KG-6 | 177 | 9.9 | Christian (no specific denomination) |
| Santa Clara Day Nursery | 9.2 |
Early childhood program/child care center | Pre-KG-KG | 21 | 10.5 | Roman Catholic |
| Chez Grand Mere Preschool | 9.2 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| Leport Schools - Irvine | 9.3 |
Montessori | Pre-KG-KG | 11 | 2.2 | Nonsectarian |
| St Columban Elementary School | 9.4 |
Regular elementary or secondary | KG-8 | 243 | 21.1 | Roman Catholic |
| Jenny Hart Early Education Center | 9.4 |
Early childhood program/child care center | Pre-KG-KG | 17 | 8.5 | Presbyterian |
| Happy Day Education Center | 9.6 |
Alternative/other | Pre-KG-6 | 45 | 9.0 | Christian (no specific denomination) |
| St Justin Martyr Elem School | 9.7 |
Regular elementary or secondary | KG-8 | 231 | 20.1 | Roman Catholic |
| Gateway Preschool/daycare | 9.7 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Other |
| St Angela Merici School | 9.7 |
Regular elementary or secondary | KG-8 | 304 | 19.9 | Roman Catholic |
| Westpark Montessori School Of Irvine | 9.8 |
Montessori | Pre-KG-KG | 28 | 10.0 | Nonsectarian |
| Christian Montessori Academy | 9.8 |
Montessori | Pre-KG-3 | 36 | 10.0 | Christian (no specific denomination) |
| Montessori Of Brea | 9.8 |
Montessori | Pre-KG-5 | 35 | 4.2 | Nonsectarian |
| New Hope Assembly Of God Christian School | 9.9 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.0 | Assembly of God |
| St Paul's Lutheran School | 9.9 |
Regular elementary or secondary | Pre-KG-8 | 178 | 17.8 | Lutheran Church - Missouri Synod |
| Amaanah Greenbrier Montessori | 10.0 |
Montessori | KG-5 | 50 | 6.3 | Nonsectarian |
| Bel-air Christian School | 10.0 |
Early childhood program/child care center | KG-KG | 17 | 18.9 | Christian (no specific denomination) |
| Tara Hill Montessori School | 10.1 |
Montessori | Pre-KG-Trans. KG | 5 | 5.0 | Nonsectarian |
| Childrens Montessori Center | 10.1 |
Montessori | Pre-KG-1 | 14 | 4.0 | Nonsectarian |
| Kindercare Learning Centers | 10.2 |
Early childhood program/child care center | Pre-KG-KG | 4 | 2.1 | Nonsectarian |
| Christ Lutheran School | 10.2 |
Regular elementary or secondary | Pre-KG-8 | 156 | 17.1 | Lutheran Church - Missouri Synod |
| Ari Guiragos Minassian Armenian School | 10.3 |
Regular elementary or secondary | Pre-KG-6 | 47 | 3.5 | Christian (no specific denomination) |
| St Barbara Elementary School | 10.3 |
Regular elementary or secondary | KG-8 | 454 | 21.6 | Roman Catholic |
| The Islamic Edu School | 10.3 |
Regular elementary or secondary | KG-6 | 62 | 4.0 | Islamic |
| Kindercare Learning Center | 10.5 |
Early childhood program/child care center | Pre-KG-KG | 15 | 7.5 | Nonsectarian |
| Village Montessori School Of Irvine | 10.6 |
Montessori | Pre-KG-3 | 46 | 11.5 | Nonsectarian |
| Arborland Montessori Children's Academy | 10.6 |
Montessori | Pre-KG-6 | 74 | 10.1 | Nonsectarian |
| Orange Crescent School | 10.7 |
Regular elementary or secondary | KG-8 | 405 | 11.6 | Islamic |
| Kids Adventure Learning Center | 10.8 |
Early childhood program/child care center | Pre-KG-KG | 5 | 1.7 | Nonsectarian |
| Mariners Christian School | 10.9 |
Regular elementary or secondary | KG-8 | 633 | 17.0 | Christian (no specific denomination) |
| Montessori House Of Children | 11.0 |
Montessori | Pre-KG-5 | 11 | 5.5 | Nonsectarian |
| Victory Christian Schools | 11.1 |
Regular elementary or secondary | KG-6 | 126 | 16.6 | Baptist |
| Annunciation Catholic School | 11.1 |
Regular elementary or secondary | Pre-KG-8 | 168 | 18.7 | Roman Catholic |
| West Fullerton Christain School | 11.3 |
Regular elementary or secondary | 1-8 | 56 | 8.8 | Christian (no specific denomination) |
| St John The Baptist Catholic School | 11.3 |
Regular elementary or secondary | KG-8 | 559 | 22.7 | Roman Catholic |
| Bumble Bee Christian Learning Center | 11.4 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Christian (no specific denomination) |
| Turtle Rock Preschool And Kindergarten | 11.4 |
Early childhood program/child care center | Pre-KG-KG | 28 | 14.0 | Nonsectarian |
| Diamond Canyon Christian Preschool | 11.4 |
Early childhood program/child care center | Pre-KG-KG | 30 | 6.2 | Christian (no specific denomination) |
| Montessori School Of Diamond Bar | 11.5 |
Montessori | Pre-KG-KG | 12 | 4.3 | Nonsectarian |
| Tutor Time Learning Centers | 11.6 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Kindercare Learning Center | 11.7 |
Early childhood program/child care center | Pre-KG-KG | 18 | 11.2 | Nonsectarian |
| Christian Montessori School | 11.7 |
Montessori | Pre-KG-6 | 18 | 3.4 | Christian (no specific denomination) |
| Country Village Preschool | 11.7 |
Early childhood program/child care center | Pre-KG-Trans. KG | 26 | 26.0 | Nonsectarian |
| Carden Academy Of Fountain Valley_ | 11.8 |
Regular elementary or secondary | Pre-KG-8 | 205 | 10.2 | Nonsectarian |
| Slater Montessori Academy | 11.9 |
Montessori | Pre-KG-2 | 33 | 13.2 | Nonsectarian |
| Newport Montessori School | 11.9 |
Montessori | Pre-KG-1 | 24 | 2.3 | Nonsectarian |
| St Polycarp Elementary School | 11.9 |
Regular elementary or secondary | KG-8 | 126 | 14.0 | Roman Catholic |
| Montessori Academy Of Corona | 12.0 |
Montessori | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| Grace Lutheran School | 12.0 |
Regular elementary or secondary | KG-8 | 75 | 13.6 | Lutheran Church - Missouri Synod |
| Montessori Harbor-mesa School | 12.0 |
Montessori | KG-6 | 53 | 6.8 | Nonsectarian |
| Lampson Grove Day | 12.0 |
Regular elementary or secondary | Pre-KG-5 | 53 | 17.7 | Christian (no specific denomination) |
| Alice's Preschool | 12.0 |
Early childhood program/child care center | Pre-KG-KG | 6 | 2.1 | Nonsectarian |
| Dbc Children's Center | 12.1 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Church of Christ |
| Good Earth Montessori School | 12.1 |
Montessori | Pre-KG-KG | 24 | 12.0 | Nonsectarian |
| Kindercare Learning Center | 12.2 |
Early childhood program/child care center | Pre-KG-Trans. KG | 14 | 7.4 | Nonsectarian |
| Huntington Valley Christian Preschool | 12.2 |
Early childhood program/child care center | Pre-KG-KG | 13 | 13.0 | Baptist |
| University Montessori School | 12.2 |
Montessori | Pre-KG-1 | 52 | 12.7 | Nonsectarian |
| Loving Savior Of The Hills Lutheran School | 12.3 |
Regular elementary or secondary | Pre-KG-8 | 178 | 15.3 | Lutheran Church - Missouri Synod |
| Christian Montessori School-newport Elementary | 12.3 |
Montessori | Pre-KG-KG | 5 | 2.5 | Christian (no specific denomination) |
| Prince Of Peace Lutheran School | 12.4 |
Regular elementary or secondary | KG-6 | 139 | 14.0 | Other Lutheran |
| Calvary Chapel Christian Academy | 12.5 |
Regular elementary or secondary | KG-6 | 54 | 13.5 | Other |
| Shoreline Christian School | 12.5 |
Regular elementary or secondary | Pre-KG-8 | 251 | 14.0 | Baptist |
| Kline School | 12.5 |
Regular elementary or secondary | KG-8 | 51 | 7.5 | Nonsectarian |
| Montessori School Of Corona | 12.6 |
Montessori | Pre-KG-8 | 123 | 12.3 | Nonsectarian |
| Montessori School Of Chino Hills | 12.6 |
Montessori | Pre-KG-1 | 12 | 6.0 | Nonsectarian |
| Fountain Valley Montessori Center | 12.6 |
Montessori | Pre-KG-2 | 44 | 12.9 | Nonsectarian |
| Montessori Child Dev Ctr | 12.7 |
Montessori | Pre-KG-2 | 25 | 12.5 | Nonsectarian |
| St Pius V School | 12.8 |
Regular elementary or secondary | KG-8 | 565 | 27.4 | Roman Catholic |
| Woodcrest Preschool | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.3 | Nonsectarian |
| Tiny Tot Christian School | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Christian (no specific denomination) |
| The Susan Phillips Day School | 12.8 |
Early childhood program/child care center | Pre-KG-Trans. KG | 15 | 7.1 | Nonsectarian |
| Idaho Kiddie Land | 12.9 |
Early childhood program/child care center | Pre-KG-KG | 3 | 0.8 | Nonsectarian |
| Pla-skool In The Pines | 13.0 |
Early childhood program/child care center | Pre-KG-KG | 7 | 3.9 | Nonsectarian |
| St Edward School | 13.0 |
Regular elementary or secondary | Pre-KG-8 | 425 | 19.3 | Roman Catholic |
| Kindercare Learning Center | 13.0 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Saniku East West Language School | 13.1 |
Special program emphasis | KG-6 | 171 | 24.4 | Seventh-Day Adventist |
| Tutor Time Child Care Learning Centers | 13.1 |
Early childhood program/child care center | Pre-KG-KG | 24 | 12.0 | Nonsectarian |
| Childrens World Learning Center | 13.1 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Hillside Montessori School | 13.3 |
Montessori | Pre-KG-KG | 13 | 3.2 | Nonsectarian |
| Kandyland Academy | 13.3 |
Early childhood program/child care center | Pre-KG-Trans. 1 | 22 | 11.6 | Nonsectarian |
| Infant-toddler Center | 13.3 |
Montessori | Pre-KG-8 | 148 | 8.4 | Nonsectarian |
| The Pegasus School | 13.3 |
Regular elementary or secondary | Pre-KG-8 | 511 | 11.3 | Nonsectarian |
| St Matthew's Montessori | 13.3 |
Montessori | Pre-KG-KG | 17 | 8.5 | Episcopal |
| Chino Hills Christian School | 13.3 |
Regular elementary or secondary | KG-6 | 222 | 22.2 | Christian (no specific denomination) |
| Kiddies Castle Montessori School | 13.5 |
Montessori | Pre-KG-KG | 6 | 1.9 | Nonsectarian |
| Fairway Education Center | 13.5 |
Early childhood program/child care center | Pre-KG-KG | 26 | 13.0 | Nonsectarian |
| La Petite Academy | 13.6 |
Early childhood program/child care center | KG-Trans. KG | 30 | 30.0 | Nonsectarian |
| Crossroads Christian Schools | 13.6 |
Regular elementary or secondary | Pre-KG-8 | 547 | 22.3 | Christian (no specific denomination) |
| Children's Learning Center | 13.6 |
Regular elementary or secondary | Pre-KG-5 | 23 | 9.2 | Nonsectarian |
| Discovery World Montessori | 13.6 |
Montessori | Pre-KG-2 | 25 | 25.0 | Nonsectarian |
| Whittier Chr Schools-maybrook Campus | 13.6 |
Regular elementary or secondary | Pre-KG-6 | 398 | 15.7 | Roman Catholic |
| Our Lady Queen Of Angels School | 13.7 |
Regular elementary or secondary | KG-8 | 409 | 23.6 | Roman Catholic |
| Bethany Christian Academy | 13.7 |
Regular elementary or secondary | KG-8 | 150 | 11.1 | Christian (no specific denomination) |
| Page Private School - Newport Mesa | 13.7 |
Regular elementary or secondary | Pre-KG-8 | 139 | 11.6 | Nonsectarian |
| St Joachim Elementary School | 13.8 |
Regular elementary or secondary | Pre-KG-8 | 278 | 20.8 | Roman Catholic |
| Port Mesa Christian School | 13.8 |
Regular elementary or secondary | Pre-KG-1 | 20 | 20.0 | Christian (no specific denomination) |
| Primanti Montessori School Whi | 13.9 |
Montessori | Pre-KG-8 | 95 | 6.4 | Nonsectarian |
| Montessori Childrens World | 13.9 |
Montessori | Pre-KG-KG | 7 | 2.3 | Nonsectarian |
| Grace Christian Schools | 13.9 |
Regular elementary or secondary | Pre-KG-2 | 88 | 25.1 | Christian (no specific denomination) |
| Christ Lutheran School | 13.9 |
Regular elementary or secondary | Pre-KG-8 | 244 | 15.3 | Lutheran Church - Missouri Synod |
| Beatitudes Of Our Lord Catholic School | 13.9 |
Regular elementary or secondary | KG-8 | 274 | 22.6 | Roman Catholic |
| Heritage Montessori | 14.0 |
Montessori | Pre-KG-4 | 51 | 6.3 | Nonsectarian |
| Abiding Savior Lutheran School | 14.0 |
Regular elementary or secondary | KG-8 | 270 | 15.1 | Lutheran Church - Missouri Synod |
| El Toro Baptist Christian School | 14.0 |
Regular elementary or secondary | Pre-KG-6 | 76 | 10.9 | Baptist |
| Montessori Children's School House | 14.0 |
Montessori | Pre-KG-KG | 6 | 3.0 | Nonsectarian |
| Tutor Time Learning Center | 14.0 |
Early childhood program/child care center | Pre-KG-Trans. KG | 11 | 0.7 | Nonsectarian |
| Westminster Lutheran Church Preschool And Daycare | 14.0 |
Early childhood program/child care center | Pre-KG-KG | 1 | 0.6 | Evangelical Lutheran Church in America |
| Leport Schools - Mission Viejo | 14.1 |
Montessori | Pre-KG-8 | 47 | 5.0 | Nonsectarian |
| Carden Whittier School | 14.2 |
Regular elementary or secondary | Pre-KG-8 | 391 | 13.3 | Christian (no specific denomination) |
| Mt Calvary Lutheran School | 14.2 |
Regular elementary or secondary | Pre-KG-8 | 190 | 18.8 | Lutheran Church - Missouri Synod |
| Pathway School | 14.2 |
Special education | 3-8 | 26 | 4.9 | Christian (no specific denomination) |
| St George S Academy | 14.2 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.3 | Episcopal |
| Hillview Acres School Inc | 14.2 |
Special education | 3-8 | 8 | 4.0 | Nonsectarian |
| Fullerton Christian Preschool | 14.3 |
Early childhood program/child care center | Pre-KG-KG | 12 | 2.5 | Christian (no specific denomination) |
| Montessori Greenhouse School | 14.3 |
Montessori | Pre-KG-6 | 111 | 16.1 | Nonsectarian |
| Bethany Child Care Center | 14.3 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Christian (no specific denomination) |
| Village Montessori Academy | 14.3 |
Montessori | Pre-KG-KG | 26 | 13.0 | Nonsectarian |
| Appletree Montessori | 14.4 |
Montessori | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| Kindercare Learning Centers Inc #743 | 14.4 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| La Mirada Heights Christian Preschool & Elementary | 14.4 |
Regular elementary or secondary | Pre-KG-6 | 356 | 20.9 | Christian (no specific denomination) |
| Nobis | 14.4 |
Early childhood program/child care center | KG-KG | 9 | 9.0 | Nonsectarian |
| New Hope Christian Schools | 14.4 |
Regular elementary or secondary | Pre-KG-6 | 100 | 13.3 | Methodist |
| The Learning Experience Early Education Center | 14.5 |
Early childhood program/child care center | Pre-KG-Trans. KG | 14 | 23.3 | Nonsectarian |
| Huntington Christian School | 14.5 |
Regular elementary or secondary | KG-8 | 536 | 18.6 | Christian (no specific denomination) |
| Crescent Ave Christian School | 14.5 |
Regular elementary or secondary | Pre-KG-6 | 89 | 12.2 | Church of the Nazarene |
| Little School Of The West | 14.5 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Christian (no specific denomination) |
| Diamond Bar Montessori Academy | 14.6 |
Montessori | Pre-KG-3 | 9 | 1.0 | Nonsectarian |
| Mission Viejo Montessori | 14.7 |
Montessori | KG-3 | 95 | 19.0 | Nonsectarian |
| Al-ridah Academy | 14.7 |
Regular elementary or secondary | Pre-KG-5 | 38 | 7.2 | Islamic |
| Stepping Stones Christian School | 14.7 |
Regular elementary or secondary | Pre-KG-2 | 40 | 13.3 | Christian (no specific denomination) |
| Stepping Stones Christian School | 14.7 |
Regular elementary or secondary | KG-2 | 41 | 13.7 | Christian (no specific denomination) |
| Cornerstone Christian School | 14.7 |
Regular elementary or secondary | Pre-KG-6 | 91 | 13.0 | Church of the Nazarene |
| Harbor Day School | 14.7 |
Regular elementary or secondary | KG-8 | 408 | 10.7 | Nonsectarian |
| Childtime Learning Center | 14.7 |
Early childhood program/child care center | Pre-KG-KG | 22 | 11.0 | Nonsectarian |
| La Palma Christian | 14.7 |
Regular elementary or secondary | Pre-KG-6 | 78 | 11.1 | Assembly of God |
| Grannies | 14.7 |
Early childhood program/child care center | Pre-KG-Trans. 1 | 8 | 8.0 | Other |
| Sts Simon & Jude School | 14.8 |
Regular elementary or secondary | KG-8 | 625 | 19.6 | Roman Catholic |
| Grace Christian School | 14.8 |
Regular elementary or secondary | KG-6 | 435 | 16.8 | Christian (no specific denomination) |
| St Irenaeus Parish School | 14.8 |
Regular elementary or secondary | KG-8 | 436 | 17.7 | Roman Catholic |
| Chino Valley Christian Schools | 14.8 |
Regular elementary or secondary | Pre-KG-8 | 280 | 10.0 | Christian (no specific denomination) |
| Crosspoint Children's Center | 14.9 |
Early childhood program/child care center | Pre-KG-KG | 17 | 8.5 | Calvinist |
| Calvary Chapel Christian School Of Cypress | 14.9 |
Regular elementary or secondary | Pre-KG-6 | 108 | 12.1 | Christian (no specific denomination) |
| Living Word Christian Academy | 14.9 |
Regular elementary or secondary | KG-8 | 30 | 11.5 | Wisconsin Evangelical Lutheran Synod |
| St Bruno Parish School | 14.9 |
Regular elementary or secondary | KG-8 | 309 | 19.6 | Roman Catholic |
| St Bonaventure | 14.9 |
Regular elementary or secondary | KG-8 | 632 | 28.7 | Roman Catholic |
| Walnut Valley Montessori School | 15.0 |
Montessori | Pre-KG-6 | 28 | 8.0 | Nonsectarian |
| Olive Branch Christian Academy | 15.0 |
Regular elementary or secondary | Pre-KG-8 | 155 | 15.3 | Christian (no specific denomination) |
| The Cross Christian School | 15.1 |
Regular elementary or secondary | Pre-KG-3 | 51 | 4.7 | Christian (no specific denomination) |
| Walnut United Methodist Preschool | 15.1 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Methodist |
| Countrywood Elementary School | 15.2 |
Regular elementary or secondary | Pre-KG-8 | 51 | 10.2 | Nonsectarian |
| St Andrews Presbyterian Preschool | 15.2 |
Early childhood program/child care center | Pre-KG-KG | 28 | 21.5 | Presbyterian |
| Carden Conservatory Elementary School | 15.2 |
Regular elementary or secondary | Pre-KG-8 | 111 | 7.5 | Nonsectarian |
| Cypress Montessori Academy | 15.2 |
Montessori | Pre-KG-KG | 12 | 9.2 | Nonsectarian |
| Montessori Academy Of Phillips Ranch | 15.2 |
Montessori | Pre-KG-KG | 6 | 2.3 | Nonsectarian |
| Concordia Lutheran School | 15.2 |
Regular elementary or secondary | Pre-KG-6 | 44 | 11.0 | Lutheran Church - Missouri Synod |
| La Mirada Preschool | 15.3 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Kindercare Learning Center | 15.4 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| Church On The Hill Christian Child Care Center | 15.4 |
Early childhood program/child care center | KG-KG | 23 | 11.5 | Other |
