| Ready Set Grow Preschool And Kindergarten | 0.1 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Christ Lutheran School | 0.4 |
Regular elementary or secondary | Pre-KG-8 | 255 | 21.4 | Evangelical Lutheran Church in America |
| First Baptist Preschool | 0.6 |
Early childhood program/child care center | Pre-KG-Trans. KG | 23 | 1.8 | Baptist |
| Discovery Montessori Preschool Kindergarten | 0.6 |
Montessori | Pre-KG-Trans. KG | 25 | 3.9 | Nonsectarian |
| Sacred Heart Elementary School | 0.7 |
Regular elementary or secondary | KG-8 | 294 | 17.7 | Roman Catholic |
| Acacia Montessori Center | 0.7 |
Montessori | Pre-KG-KG | 11 | 4.4 | Nonsectarian |
| Covina Christian Preschool | 0.8 |
Early childhood program/child care center | Pre-KG-KG | 11 | 4.8 | Assembly of God |
| Covina Development Center | 0.8 |
Alternative/other | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| West Covina Hills Adventist School | 1.0 |
Regular elementary or secondary | KG-8 | 54 | 12.6 | Seventh-Day Adventist |
| Sonrise Christian School | 1.3 |
Regular elementary or secondary | Pre-KG-8 | 464 | 19.9 | Church of Christ |
| Sonrise Christian School | 1.3 |
Regular elementary or secondary | KG-8 | 463 | 20.5 | Church of Christ |
| Gateway Montessori School | 1.5 |
Montessori | Pre-KG-KG | 9 | 4.5 | Nonsectarian |
| American Future Learning Center | 1.6 |
Alternative/other | Pre-KG-5 | 39 | 24.4 | Nonsectarian |
| Bms | 1.7 |
Montessori | Pre-KG-2 | 15 | 2.8 | Nonsectarian |
| Kindergarten Ranch School | 1.8 |
Special program emphasis | Pre-KG-3 | 9 | 2.7 | Christian (no specific denomination) |
| Cumorah Academy | 1.8 |
Regular elementary or secondary | Pre-KG-1 | 8 | 8.0 | Nonsectarian |
| Dove Day School | 2.0 |
Regular elementary or secondary | Pre-KG-7 | 63 | 12.9 | Nonsectarian |
| St Louise De Marillac School | 2.3 |
Regular elementary or secondary | KG-8 | 311 | 28.0 | Roman Catholic |
| Jubilee Christian School | 2.4 |
Regular elementary or secondary | Pre-KG-6 | 109 | 11.0 | Christian (no specific denomination) |
| Immanuel First Lutheran School | 2.5 |
Regular elementary or secondary | Pre-KG-8 | 117 | 11.9 | Lutheran Church - Missouri Synod |
| South Hills Academy | 2.5 |
Regular elementary or secondary | KG-8 | 389 | 14.0 | Other |
| St Christopher Parish School | 2.7 |
Regular elementary or secondary | KG-8 | 260 | 20.2 | Roman Catholic |
| Montessori Academy Of West Covina | 2.9 |
Montessori | Pre-KG-KG | 19 | 4.1 | Nonsectarian |
| West Covina Christian School | 2.9 |
Regular elementary or secondary | Pre-KG-8 | 352 | 15.9 | Baptist |
| Kid Junction | 3.0 |
Early childhood program/child care center | Pre-KG-KG | 16 | 8.0 | Christian (no specific denomination) |
| Foothill Christian School | 3.1 |
Regular elementary or secondary | KG-8 | 601 | 22.3 | Christian (no specific denomination) |
| Childrens Montessori Center Of Via Verde | 3.1 |
Montessori | Pre-KG-1 | 27 | 7.1 | Nonsectarian |
| Sonrise Christian School-san Dimas | 3.2 |
Regular elementary or secondary | Pre-KG-5 | 119 | 18.0 | Christian (no specific denomination) |
| St Stephen Pre School Academy | 3.5 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Baptist |
| Kindercare Learning Centers Inc#465 | 3.5 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| West Covina Education Center | 3.6 |
Early childhood program/child care center | Pre-KG-KG | 12 | 1.1 | Nonsectarian |
| Light And Life Christian School | 3.6 |
Regular elementary or secondary | Pre-KG-5 | 56 | 9.7 | Methodist |
| Arrow Montessori School Of San | 3.9 |
Montessori | Pre-KG-8 | 106 | 10.1 | Nonsectarian |
| St Frances Of Rome School | 4.0 |
Regular elementary or secondary | KG-8 | 177 | 17.2 | Roman Catholic |
| Straight Way, The | 4.0 |
Regular elementary or secondary | KG-5 | 79 | 7.2 | Islamic |
| St Martha's School | 4.2 |
Regular elementary or secondary | 1-8 | 220 | 20.9 | Roman Catholic |
| Walnut United Methodist Preschool | 4.2 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Methodist |
| Delhaven Preschool | 4.2 |
Early childhood program/child care center | Pre-KG-KG | 4 | 3.1 | Disciples of Christ |
| The Cross Christian School | 4.2 |
Regular elementary or secondary | Pre-KG-3 | 51 | 4.7 | Christian (no specific denomination) |
| Walnut Valley Montessori School | 4.3 |
Montessori | Pre-KG-6 | 28 | 8.0 | Nonsectarian |
| Hope Lutheran Elem School | 4.5 |
Regular elementary or secondary | Pre-KG-8 | 139 | 8.7 | Lutheran Church - Missouri Synod |
| St Dorothy Elementary School | 4.7 |
Regular elementary or secondary | KG-8 | 281 | 21.6 | Roman Catholic |
| St John The Baptist School | 4.8 |
Regular elementary or secondary | KG-8 | 435 | 25.6 | Roman Catholic |
| Creative Planet School Of The Arts | 4.9 |
Special program emphasis | KG-8 | 68 | 10.0 | Nonsectarian |
| St Joseph Elementary School | 5.2 |
Regular elementary or secondary | 1-8 | 227 | 20.1 | Roman Catholic |
| New Montessori School | 5.6 |
Montessori | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Sunset Christian School | 5.7 |
Regular elementary or secondary | Pre-KG-8 | 117 | 11.7 | Methodist |
| Discovery World Montessori | 5.7 |
Montessori | Pre-KG-2 | 25 | 25.0 | Nonsectarian |
| Kindercare Learning Center | 5.8 |
Early childhood program/child care center | Pre-KG-KG | 7 | 7.0 | Nonsectarian |
| Diamond Bar Montessori Academy | 5.8 |
Montessori | Pre-KG-3 | 9 | 1.0 | Nonsectarian |
| St Louis Of France School | 5.8 |
Regular elementary or secondary | KG-8 | 255 | 24.1 | Roman Catholic |
| Fairway Education Center | 5.9 |
Early childhood program/child care center | Pre-KG-KG | 26 | 13.0 | Nonsectarian |
| Village Montessori Academy | 6.0 |
Montessori | Pre-KG-KG | 26 | 13.0 | Nonsectarian |
| Mt Calvary Lutheran School | 6.0 |
Regular elementary or secondary | Pre-KG-8 | 190 | 18.8 | Lutheran Church - Missouri Synod |
| Foothill Montessori School | 6.0 |
Montessori | Pre-KG-3 | 37 | 12.3 | Nonsectarian |
| Foothill Montessori | 6.0 |
Montessori | Pre-KG-3 | 33 | 16.5 | Nonsectarian |
| Fullerton Christian Preschool | 6.1 |
Early childhood program/child care center | Pre-KG-KG | 12 | 2.5 | Christian (no specific denomination) |
| Anita Oaks School | 6.2 |
Regular elementary or secondary | Pre-KG-8 | 85 | 6.3 | Nonsectarian |
| La Petite Academy | 6.2 |
Early childhood program/child care center | KG-Trans. KG | 30 | 30.0 | Nonsectarian |
| United Christian Education Center | 6.3 |
Early childhood program/child care center | Pre-KG-KG | 20 | 13.3 | Christian (no specific denomination) |
| Kindercare Learning Centers Inc #743 | 6.3 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Duarte Montessori School | 6.5 |
Montessori | Pre-KG-2 | 22 | 11.0 | Nonsectarian |
| Kandyland Academy | 6.6 |
Early childhood program/child care center | Pre-KG-Trans. 1 | 22 | 11.6 | Nonsectarian |
| St Joseph Elementary School | 6.7 |
Regular elementary or secondary | KG-8 | 244 | 21.4 | Roman Catholic |
| School Of Little Scholar | 6.9 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| Hayden Child Care Center | 6.9 |
Early childhood program/child care center | Pre-KG-KG | 15 | 7.5 | Roman Catholic |
| Creative Corners School | 7.3 |
Regular elementary or secondary | Pre-KG-1 | 29 | 29.0 | Nonsectarian |
| Montessori Academy Of Phillips Ranch | 7.3 |
Montessori | Pre-KG-KG | 6 | 2.3 | Nonsectarian |
| Dbc Children's Center | 7.3 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Church of Christ |
| Annunciation Chatholic School | 7.4 |
Regular elementary or secondary | KG-8 | 223 | 21.6 | Roman Catholic |
| First Christian Church Child Dev Ctr | 7.5 |
Regular elementary or secondary | Pre-KG-2 | 15 | 15.0 | Christian (no specific denomination) |
| Immaculate Conception School | 7.6 |
Regular elementary or secondary | KG-8 | 198 | 16.8 | Roman Catholic |
| Grace Garden Education Center | 7.8 |
Early childhood program/child care center | Pre-KG-KG | 13 | 6.5 | Nonsectarian |
| Montessori School Of Diamond Bar | 7.8 |
Montessori | Pre-KG-KG | 12 | 4.3 | Nonsectarian |
| Molokan Elementary School | 7.8 |
Regular elementary or secondary | Pre-KG-6 | 47 | 6.0 | Other |
| Diamond Canyon Christian Preschool | 7.9 |
Early childhood program/child care center | Pre-KG-KG | 30 | 6.2 | Christian (no specific denomination) |
| St Mark's Lutheran School | 8.0 |
Regular elementary or secondary | Pre-KG-8 | 674 | 18.3 | Evangelical Lutheran Church in America |
| Carden Of The Foothills School | 8.0 |
Regular elementary or secondary | KG-8 | 93 | 6.9 | Nonsectarian |
| First Lutheran School | 8.0 |
Regular elementary or secondary | Pre-KG-8 | 55 | 5.1 | Lutheran Church - Missouri Synod |
| Icc Community | 8.1 |
Regular elementary or secondary | KG-6 | 93 | 10.6 | Islamic |
| Tzu Chi Great Love | 8.1 |
Early childhood program/child care center | Pre-KG-KG | 14 | 3.1 | Nonsectarian |
| Angela Preschool & Kindergarten | 8.4 |
Early childhood program/child care center | KG-KG | 5 | 5.0 | Nonsectarian |
| Pearl Preparatory School | 8.5 |
Regular elementary or secondary | KG-5 | 71 | 11.3 | Christian (no specific denomination) |
| Serendipity Early Care & Educational Center | 8.5 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Nativity Elementary School | 8.6 |
Regular elementary or secondary | 1-8 | 209 | 19.9 | Roman Catholic |
| Foothill Country Day School | 8.7 |
Regular elementary or secondary | KG-8 | 180 | 8.8 | Nonsectarian |
| St Madeleine School | 8.7 |
Regular elementary or secondary | KG-8 | 177 | 17.5 | Roman Catholic |
| Li'l Toots Preschool | 8.9 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Wonder Years Montessori | 8.9 |
Montessori | Pre-KG-KG | 15 | 7.9 | Nonsectarian |
| Serendipity School | 9.0 |
Early childhood program/child care center | Pre-KG-KG | 10 | 2.6 | Nonsectarian |
| Arcadia Montessori School | 9.0 |
Montessori | Pre-KG-2 | 25 | 12.5 | Nonsectarian |
| Love & Care Christian Preschool | 9.1 |
Early childhood program/child care center | Pre-KG-KG | 23 | 11.5 | Christian (no specific denomination) |
| Epiphany Catholic School | 9.3 |
Regular elementary or secondary | KG-8 | 174 | 16.0 | Roman Catholic |
| Our Lady Of The Assumption School | 9.3 |
Regular elementary or secondary | KG-8 | 469 | 21.2 | Roman Catholic |
| Chino Hills Christian School | 9.3 |
Regular elementary or secondary | KG-6 | 222 | 22.2 | Christian (no specific denomination) |
| Lacc Children's House | 9.4 |
Early childhood program/child care center | Pre-KG-KG | 1 | 1.0 | Other |
| All Seasons Childrens Learning Center | 9.8 |
Special program emphasis | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| Barnhart School | 10.0 |
Regular elementary or secondary | KG-8 | 334 | 12.6 | Other |
| Childtime Learning Center | 10.0 |
Early childhood program/child care center | Pre-KG-KG | 22 | 11.0 | Nonsectarian |
| Agape Montessori School | 10.2 |
Montessori | Pre-KG-KG | 3 | 2.1 | Christian (no specific denomination) |
| Montclair Christian Elementary | 10.2 |
Regular elementary or secondary | Pre-KG-6 | 38 | 7.6 | Assembly of God |
| Good Earth Montessori School | 10.3 |
Montessori | Pre-KG-KG | 24 | 12.0 | Nonsectarian |
| Hillview Acres School Inc | 10.3 |
Special education | 3-8 | 8 | 4.0 | Nonsectarian |
| Arcadia Children's Educational Center | 10.3 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| St Luke The Evangelist Catholic School | 10.3 |
Regular elementary or secondary | KG-8 | 226 | 19.8 | Roman Catholic |
| Telstar Montessori Child Care Center | 10.4 |
Montessori | KG-1 | 14 | 7.0 | Nonsectarian |
| Children's School At Claremont Mckenna College | 10.4 |
Regular elementary or secondary | Pre-KG-3 | 25 | 6.2 | Nonsectarian |
| Kiddie Academy | 10.5 |
Early childhood program/child care center | Pre-KG-KG | 10 | 5.3 | Nonsectarian |
| K-step Montessori | 10.6 |
Montessori | KG-1 | 14 | 7.0 | Nonsectarian |
| Sierra Madre Community Nursery School | 10.6 |
Early childhood program/child care center | Pre-KG-KG | 11 | 5.5 | Nonsectarian |
| Chino Valley Christian Schools | 10.6 |
Regular elementary or secondary | Pre-KG-8 | 280 | 10.0 | Christian (no specific denomination) |
| Cornerstone Christian School | 10.6 |
Regular elementary or secondary | Pre-KG-6 | 91 | 13.0 | Church of the Nazarene |
| International Montessori School | 10.7 |
Montessori | Pre-KG-5 | 29 | 4.2 | Nonsectarian |
| First Lutheran School | 10.7 |
Regular elementary or secondary | Pre-KG-8 | 90 | 12.9 | Lutheran Church - Missouri Synod |
| The Broadoaks Childrens School | 10.8 |
Regular elementary or secondary | KG-6 | 193 | 9.7 | Nonsectarian |
| Little People School | 10.9 |
Early childhood program/child care center | Pre-KG-KG | 10 | 0.5 | Nonsectarian |
| Loving Savior Of The Hills Lutheran School | 10.9 |
Regular elementary or secondary | Pre-KG-8 | 178 | 15.3 | Lutheran Church - Missouri Synod |
| Whittier Friends School | 11.0 |
Regular elementary or secondary | Pre-KG-4 | 14 | 7.0 | Friends |
| Pla-skool In The Pines | 11.0 |
Early childhood program/child care center | Pre-KG-KG | 7 | 3.9 | Nonsectarian |
| Young People's Village | 11.0 |
Early childhood program/child care center | Pre-KG-KG | 12 | 10.9 | Nonsectarian |
| Oralingua School | 11.1 |
Special education | Pre-KG-4 | 51 | 8.5 | Nonsectarian |
| Western Christian School | 11.1 |
Regular elementary or secondary | Pre-KG-8 | 384 | 14.2 | Christian (no specific denomination) |
| Idaho Kiddie Land | 11.1 |
Early childhood program/child care center | Pre-KG-KG | 3 | 0.8 | Nonsectarian |
| Whittier Christian Schools - Newlin Elementary | 11.2 |
Regular elementary or secondary | Pre-KG-6 | 234 | 15.0 | Baptist |
| Brea Olinda Friends Christian School | 11.2 |
Regular elementary or secondary | Pre-KG-6 | 177 | 9.9 | Christian (no specific denomination) |
| Victory Outreach Children's Learning Center | 11.2 |
Regular elementary or secondary | Pre-KG-5 | 20 | 10.0 | Christian (no specific denomination) |
| New Hope Christian Schools | 11.2 |
Regular elementary or secondary | Pre-KG-6 | 100 | 13.3 | Methodist |
| Our Lady Of Lourdes School | 11.2 |
Regular elementary or secondary | KG-8 | 211 | 26.4 | Roman Catholic |
| Christ Lutheran School | 11.3 |
Regular elementary or secondary | Pre-KG-8 | 156 | 17.1 | Lutheran Church - Missouri Synod |
| Bethany Christian School | 11.3 |
Regular elementary or secondary | Pre-KG-8 | 189 | 13.0 | Other |
| Plymouth Christian School | 11.3 |
Regular elementary or secondary | KG-6 | 89 | 12.7 | Other |
| Trinity Lutheran School | 11.3 |
Regular elementary or secondary | Pre-KG-8 | 106 | 12.1 | Lutheran Church - Missouri Synod |
| Primanti Montessori School Whi | 11.4 |
Montessori | Pre-KG-8 | 95 | 6.4 | Nonsectarian |
| Rosemead Education Center | 11.4 |
Early childhood program/child care center | Pre-KG-KG | 27 | 9.0 | Nonsectarian |
| St Rita School | 11.4 |
Regular elementary or secondary | KG-8 | 290 | 23.4 | Roman Catholic |
| St Mary Of The Assumption School | 11.5 |
Regular elementary or secondary | KG-8 | 240 | 21.8 | Roman Catholic |
| Mulberry Tree Preschool | 11.5 |
Early childhood program/child care center | KG-KG | 17 | 8.5 | Nonsectarian |
| East Whittier Umc Childrens Ctr | 11.5 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.6 | Methodist |
| St Angela Merici School | 11.6 |
Regular elementary or secondary | KG-8 | 304 | 19.9 | Roman Catholic |
| Whittier Adventist Elm School | 11.6 |
Regular elementary or secondary | KG-8 | 18 | 8.6 | Seventh-Day Adventist |
| Countrywood Elementary School | 11.6 |
Regular elementary or secondary | Pre-KG-8 | 51 | 10.2 | Nonsectarian |
| St Bruno Parish School | 11.6 |
Regular elementary or secondary | KG-8 | 309 | 19.6 | Roman Catholic |
| Montessori School Of Chino Hills | 11.6 |
Montessori | Pre-KG-1 | 12 | 6.0 | Nonsectarian |
| Montessori Of Brea | 11.7 |
Montessori | Pre-KG-5 | 35 | 4.2 | Nonsectarian |
| Hadley School | 11.7 |
Regular elementary or secondary | Pre-KG-2 | 40 | 13.3 | Nonsectarian |
| Christ Lutheran School & Daycare | 11.7 |
Early childhood program/child care center | Pre-KG-Trans. KG | 3 | 0.3 | Evangelical Lutheran Church in America |
| Sunshine Educational Center | 11.8 |
Early childhood program/child care center | Pre-KG-KG | 16 | 4.6 | Nonsectarian |
| St Margaret Mary School | 11.8 |
Regular elementary or secondary | Pre-KG-8 | 275 | 21.5 | Roman Catholic |
| St Anthony School | 11.8 |
Regular elementary or secondary | Pre-KG-8 | 230 | 19.0 | Roman Catholic |
| Total Child Preschool | 11.8 |
Early childhood program/child care center | Pre-KG-KG | 7 | 1.8 | Nonsectarian |
| Whittier Chr Schools-maybrook Campus | 11.9 |
Regular elementary or secondary | Pre-KG-6 | 398 | 15.7 | Roman Catholic |
| Palm View Christian School-ag | 12.0 |
Regular elementary or secondary | Pre-KG-8 | 118 | 11.9 | Assembly of God |
| San Gabriel Christian School | 12.0 |
Regular elementary or secondary | KG-8 | 636 | 17.4 | Christian (no specific denomination) |
| Carden Whittier School | 12.0 |
Regular elementary or secondary | Pre-KG-8 | 391 | 13.3 | Christian (no specific denomination) |
| Clairbourn School | 12.1 |
Regular elementary or secondary | Pre-KG-8 | 352 | 14.7 | Nonsectarian |
| Cumorah Kids | 12.1 |
Early childhood program/child care center | Pre-KG-Trans. KG | 29 | 14.5 | Nonsectarian |
| Kiddie Korner | 12.2 |
Early childhood program/child care center | Pre-KG-KG | 15 | 11.5 | Baptist |
| Saints Felicitas & Perpetua | 12.3 |
Regular elementary or secondary | KG-8 | 250 | 19.4 | Roman Catholic |
| Faith Lutheran Church And School | 12.4 |
Regular elementary or secondary | Pre-KG-7 | 65 | 16.2 | Lutheran Church - Missouri Synod |
| Discovery Depot | 12.4 |
Early childhood program/child care center | Pre-KG-Trans. KG | 56 | 18.1 | Church of the Nazarene |
| Child's World School | 12.4 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| Joy Christian Pre School | 12.4 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.9 | Church of God |
| Joyland Nursery School And Kin | 12.5 |
Early childhood program/child care center | KG-KG | 11 | 11.0 | Nonsectarian |
| Heritage Oak Private School | 12.5 |
Regular elementary or secondary | Pre-KG-8 | 533 | 9.4 | Nonsectarian |
| Redeemer Lutheran Christian School | 12.5 |
Regular elementary or secondary | KG-8 | 141 | 16.4 | Lutheran Church - Missouri Synod |
| Pine Tree Preschool Montessor | 12.5 |
Montessori | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Mountain Green Preschool & Child Care | 12.6 |
Early childhood program/child care center | KG-Trans. KG | 54 | 18.6 | Methodist |
| Maryvale Day Care Center | 12.7 |
Early childhood program/child care center | Pre-KG-KG | 16 | 3.6 | Roman Catholic |
| Little Friends Preschool & Kindergarten | 12.7 |
Early childhood program/child care center | Pre-KG-KG | 206 | 68.7 | Christian (no specific denomination) |
| La Mirada Heights Christian Preschool & Elementary | 12.8 |
Regular elementary or secondary | Pre-KG-6 | 356 | 20.9 | Christian (no specific denomination) |
| Grace Garden Preschool | 12.8 |
Early childhood program/child care center | Pre-KG-Trans. 1 | 19 | 10.6 | Christian (no specific denomination) |
| St Hilary Elementary School | 12.8 |
Regular elementary or secondary | KG-8 | 312 | 20.9 | Roman Catholic |
| New Avenue School | 12.8 |
Regular elementary or secondary | Pre-KG-8 | 250 | 16.2 | Nonsectarian |
| Esther's Nest Children's School | 12.9 |
Early childhood program/child care center | Pre-KG-KG | 13 | 8.1 | Nonsectarian |
| Walden School | 12.9 |
Regular elementary or secondary | Pre-KG-6 | 214 | 12.4 | Nonsectarian |
| Top Kids | 12.9 |
Early childhood program/child care center | KG-KG | 70 | 6.7 | Nonsectarian |
| Pacific Christian School | 12.9 |
Regular elementary or secondary | KG-4 | 46 | 8.5 | Brethren |
| San Gabriel Mission Elementary School | 12.9 |
Regular elementary or secondary | KG-8 | 220 | 20.2 | Roman Catholic |
| Growing Time Montessori School | 13.0 |
Montessori | Pre-KG-KG | 9 | 9.0 | Nonsectarian |
| Beatitudes Of Our Lord Catholic School | 13.1 |
Regular elementary or secondary | KG-8 | 274 | 22.6 | Roman Catholic |
| San Marino Montessori | 13.1 |
Montessori | KG-8 | 200 | 33.3 | Nonsectarian |
| Victory Montessori Schools | 13.1 |
Montessori | Pre-KG-8 | 158 | 11.6 | Nonsectarian |
| Carden Arbor View School | 13.1 |
Regular elementary or secondary | KG-8 | 175 | 10.5 | Nonsectarian |
| Temple Beth Tikvah Early Childhood Learning Ctr | 13.2 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Jewish |
| Brethren Christian Schools Pk-8 | 13.2 |
Regular elementary or secondary | KG-8 | 96 | 10.7 | Christian (no specific denomination) |
| St George Parish School | 13.2 |
Regular elementary or secondary | Pre-KG-8 | 242 | 19.2 | Roman Catholic |
| Assumption Of The Bvm Elementary School | 13.3 |
Regular elementary or secondary | KG-8 | 297 | 23.9 | Roman Catholic |
| St Gregory The Great School | 13.3 |
Regular elementary or secondary | KG-8 | 281 | 26.5 | Roman Catholic |
| Emmaus Lutheran School | 13.3 |
Regular elementary or secondary | Pre-KG-8 | 169 | 17.8 | Lutheran Church - Missouri Synod |
| Kindercare Learning Center | 13.3 |
Early childhood program/child care center | Pre-KG-KG | 18 | 11.2 | Nonsectarian |
| Hillsborough Private | 13.3 |
Early childhood program/child care center | KG-KG | 18 | 18.0 | Nonsectarian |
| Ontario Progressive Montessori School | 13.4 |
Montessori | KG-1 | 17 | 5.7 | Nonsectarian |
| Mount Zion Christian School | 13.4 |
Early childhood program/child care center | Pre-KG-KG | 8 | 4.0 | Christian (no specific denomination) |
| First United Methodist Preschool & Kindergarten | 13.4 |
Early childhood program/child care center | Pre-KG-KG | 8 | 5.7 | Methodist |
| Cross And Crown Lutheran School | 13.4 |
Early childhood program/child care center | Pre-KG-KG | 13 | 13.0 | Other Lutheran |
| St Gregorys Am Hovsepian School | 13.4 |
Regular elementary or secondary | Pre-KG-8 | 123 | 9.8 | Other |
| Lily's Garden Preschool | 13.5 |
Early childhood program/child care center | Pre-KG-KG | 52 | 17.3 | Nonsectarian |
| St Juliana Falconieri School | 13.5 |
Regular elementary or secondary | KG-8 | 311 | 23.7 | Roman Catholic |
| Childrens Montessori | 13.6 |
Early childhood program/child care center | Pre-KG-KG | 16 | 16.0 | Nonsectarian |
| St Therese School | 13.6 |
Regular elementary or secondary | KG-8 | 267 | 22.6 | Roman Catholic |
| High Point Academy | 13.6 |
Regular elementary or secondary | KG-8 | 350 | 13.8 | Nonsectarian |
| Wonder World Preschool Ii | 13.6 |
Early childhood program/child care center | Pre-KG-Trans. KG | 6 | 6.0 | Nonsectarian |
| Montebello Christian School | 13.7 |
Regular elementary or secondary | KG-8 | 191 | 17.2 | Baptist |
| L'heritage Francais | 13.7 |
Regular elementary or secondary | Pre-KG-5 | 44 | 6.3 | Nonsectarian |
| Ontario Christian School | 13.7 |
Regular elementary or secondary | Pre-KG-8 | 894 | 14.4 | Calvinist |
| St Benedict School | 13.7 |
Regular elementary or secondary | KG-8 | 592 | 25.7 | Roman Catholic |
| Montessori Academy | 13.7 |
Montessori | Pre-KG-6 | 9 | 3.0 | Nonsectarian |
| Yorba Linda Preschool & Kindergarten | 13.7 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Placentia Towne & Country Early Education Center | 13.8 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| Weizmann Day School | 13.8 |
Regular elementary or secondary | KG-6 | 41 | 6.5 | Jewish |
| St Joseph Elementary School | 13.9 |
Regular elementary or secondary | Pre-KG-8 | 273 | 21.0 | Roman Catholic |
| St Stephen Martyr School | 13.9 |
Regular elementary or secondary | KG-8 | 246 | 21.8 | Roman Catholic |
| Calvary Christian School | 13.9 |
Regular elementary or secondary | Pre-KG-8 | 79 | 6.6 | Baptist |
| Friends Christian Elementary School | 13.9 |
Regular elementary or secondary | Pre-KG-8 | 914 | 22.9 | Friends |
| Maple Ave School | 13.9 |
Early childhood program/child care center | Pre-KG-KG | 20 | 7.7 | Nonsectarian |
| Childrens Academy | 14.0 |
Early childhood program/child care center | Pre-KG-KG | 8 | 5.0 | Nonsectarian |
| St Mark's Episcopal School | 14.0 |
Regular elementary or secondary | KG-8 | 177 | 12.0 | Episcopal |
| Kindercare Learning Center | 14.0 |
Early childhood program/child care center | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| St Joseph School | 14.0 |
Regular elementary or secondary | KG-8 | 341 | 24.7 | Roman Catholic |
| St John's Lutheran Elementary | 14.0 |
Regular elementary or secondary | KG-6 | 50 | 12.5 | Lutheran Church - Missouri Synod |
| Virgin Mary Preschool | 14.1 |
Early childhood program/child care center | Pre-KG-KG | 18 | 3.0 | Christian (no specific denomination) |
| Alpha-shen Preschool And Kindergarten | 14.1 |
Early childhood program/child care center | Pre-KG-KG | 30 | 15.0 | Nonsectarian |
| St Stephen's Lutheran Pre School & Kindergarten | 14.2 |
Early childhood program/child care center | Pre-KG-KG | 5 | 8.3 | Lutheran Church - Missouri Synod |
| Ivycrest Montessori Private School | 14.2 |
Montessori | Pre-KG-4 | 80 | 11.4 | Nonsectarian |
| Lycee International De Los Angeles - Pasadena | 14.2 |
Regular elementary or secondary | Pre-KG-5 | 56 | 6.2 | Nonsectarian |
| Monterey Park Christian School | 14.2 |
Early childhood program/child care center | Pre-KG-KG | 11 | 12.2 | Church of the Nazarene |
| Meher Montessori School | 14.3 |
Montessori | Pre-KG-6 | 76 | 6.3 | Nonsectarian |
| California Preschool & Kindergarten | 14.3 |
Early childhood program/child care center | Pre-KG-KG | 14 | 14.0 | Nonsectarian |
| Our School | 14.3 |
Early childhood program/child care center | Pre-KG-Trans. KG | 18 | 6.9 | Nonsectarian |
| First Baptist Church Alhambra Day Care | 14.3 |
Early childhood program/child care center | Pre-KG-KG | 13 | 0.9 | Baptist |
| Grace Christian Academy | 14.4 |
Regular elementary or secondary | 1-8 | 68 | 9.7 | Christian (no specific denomination) |
| Crosspoint Children's Center | 14.4 |
Early childhood program/child care center | Pre-KG-KG | 17 | 8.5 | Calvinist |
| Our Lady Of The Miraculous Medal | 14.4 |
Regular elementary or secondary | Pre-KG-8 | 489 | 24.4 | Roman Catholic |
| St Marianne School | 14.4 |
Regular elementary or secondary | KG-8 | 230 | 20.9 | Roman Catholic |
| Berkeley School | 14.4 |
Special program emphasis | Pre-KG-5 | 41 | 8.4 | Nonsectarian |
| St Paul Of The Cross School | 14.4 |
Regular elementary or secondary | KG-8 | 205 | 17.4 | Roman Catholic |
| Pasadena Progressive Montessori School | 14.6 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Levon And Hasmig Tavlian Armenian Preschool | 14.6 |
Early childhood program/child care center | Pre-KG-KG | 18 | 6.0 | Other |
| Graceland Christian Day Care Center | 14.8 |
Early childhood program/child care center | Pre-KG-KG | 10 | 7.1 | Christian (no specific denomination) |
| Calvary Chapel Academy | 14.8 |
Regular elementary or secondary | Pre-KG-8 | 151 | 13.8 | Christian (no specific denomination) |
| La Mirada Preschool | 14.8 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| St Thomas Aquinas School | 14.8 |
Regular elementary or secondary | KG-8 | 246 | 19.2 | Roman Catholic |
| Granada Park Umc Nursery School And Kindergarten | 14.9 |
Early childhood program/child care center | Pre-KG-KG | 5 | 2.6 | Methodist |
| Judson International School | 14.9 |
Regular elementary or secondary | KG-8 | 101 | 10.0 | Christian (no specific denomination) |
| Tutor Time Child Care Learning Centers | 14.9 |
Early childhood program/child care center | Pre-KG-KG | 24 | 12.0 | Nonsectarian |
| Oneonta Montessori School | 15.1 |
Montessori | Pre-KG-6 | 120 | 10.6 | Nonsectarian |
| Lake Avenue Church School | 15.1 |
Early childhood program/child care center | Pre-KG-KG | 15 | 5.2 | Christian (no specific denomination) |
| St Thomas More Elem School | 15.1 |
Regular elementary or secondary | KG-8 | 218 | 20.8 | Roman Catholic |
| St Pius X Elementary School | 15.1 |
Regular elementary or secondary | Pre-KG-8 | 273 | 23.5 | Roman Catholic |
| Ontario Christian Academy | 15.2 |
Alternative/other | 1-5 | 4 | 4.0 | Christian (no specific denomination) |
