| Diamond Bar - Walnut Brnch of Pomona Valley Met. YMC | 22600 Sunset Crossing Blvd., Diamond Bar, CA 91765 | Center |
| Diamond Bar Community Preschool | 400 South Rancheria Road, Diamond Bar, CA 91765 | Preschool |
| Diamond Bar Congregation Nursery & Day Care Center | 2335 So. Diamond Bar Blvd., Diamond Bar, CA 91765 | Center |
| Diamond Bar Montessori Academy | 23555 Palomino Dr., Diamond Bar, CA 91765 | Center |
| Diamond Canyon Christian Preschool | 3338 Diamond Canyon Rd., Diamond Bar, CA 91765 | Preschool |
| Discovery Depot Child Care Center | 16800 Imperial Hwy, Yorba Linda, CA 92886 | Center |
| Discovery World Montessori | 801 Brea Canyon Road, Walnut, CA 91789 | Preschool |
| Dove Day School | 502 S. Lark Ellen Avenue, West Covina, CA 91791 | Preschool |
| Downtown Chapel Child Care Center | 123 W. Ash Street, Brea, CA 92821 | Preschool |
| Dr. Albert Schweitzer School Readiness Room | 229 S. Dale Room 40, Anaheim, CA 92804 | Center |
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| Dr. Jonas Salk School Readiness Room | 1411 S. Gilbert, Rooms 40 & 70, Anaheim, CA 92804 | Center |
| Dr. Peter Marshall School Readiness Room | 2627 W. Crescent Aven, Room 4, Anaheim, CA 92804 | Center |
| Dream - I Educational Institute | 5832 Fullerton Avenue, Buena Park, CA 90621 | Center |
| Dream-I Education Center | 1700 West La Habra Blvd., La Habra, CA 90631 | Preschool |
| Early Childhood Center of Christ Lutheran Church | 3401 North Harbor Blvd., Fullerton, CA 92835 | Center |
| Early Childhood Education Center Zion Lutheran Church | 222 North East Street, Anaheim, CA 92805 | Preschool |
| East Whittier Center | 9951 S. Mills Avenue, Whittier, CA 90604 | Center |
| East Whittier United Methodist Church | 10005 Cole Road, Whittier, CA 90603 | Preschool |
| East Whittier United Presbyterian Church | 14061 E Second St, Whittier, CA 90605 | Center |
| Eastside Christian Preschool | 2505 Yorba Linda Blvd., Fullerton, CA 92831 | Preschool |
| Educare Center | 8172 Starr Street, Stanton, CA 90680 | Center |
| Emanuel Lutheran Christian Preschool | 150 North Palm, La Habra, CA 90631 | Preschool |
| Emmanuel Episcopal Preschool | 1145 West Valencia Mesa, Fullerton, CA 92835 | Preschool |
| Fairmont Private School | 5310 East La Palma, Anaheim, CA 92807 | Preschool |
| Fairway Education Center | 19560 E. Walnut Drive South, Rowland Heights, CA 91748 | Preschool |
| Faith Lutheran Church and School | 9920 South Mills Avenue, Whittier, CA 90604 | Preschool |
| Far Horizons Montessori | 264 N. Main, Orange, CA 92868 | Preschool |
| Fink Family Child Care | 1616 Summer Lawn Way, Hacienda Heights, CA 91745 | Center |
| First Christian Child Care | 115 E. Wilshire Avenue, Fullerton, CA 92832 | Center |
| First Congregational Church Preschool | 515 N. State College Blvd., Anaheim, CA 92806 | Preschool |
| First Steps Child Development Center | 22210 La Palma Avenue, Yorba Linda, CA 92887 | Preschool |
| First United Methodist Nursery School | 114 North Pomona Ave, Fullerton, CA 92832 | Preschool |
| Foster Road State Preschool | 13930 E. Foster Rd., La Mirada, CA 90638 | Preschool |
| Friends Christian School | 5211 Lakeview Ave., Yorba Linda, CA 92886 | Center |
| Fullerton Child Development Center | 1701 E Chapman Ave, Fullerton, CA 92831 | Preschool |
| Fullerton Christian Preschool | 2628 Fullerton Road, Rowland Heights, CA 91748 | Preschool |
| Fullerton College Child Care Center | 321 E. Chapman, Bldg. 1800, Fullerton, CA 92832 | Center |
| Fullerton Community Nursery School | 2050 Youthway, Fullerton, CA 92835 | Preschool |
| Fullerton Head Start | 341 S. Courtney Street, Fullerton, CA 92834 | Preschool |
| Fullerton Preschool | 1234 W. Orangethorpe Avenue, Fullerton, CA 92833 | Preschool |
| Fullerton Rainbow Preschool | 3516 West Commonwealth Ave, Fullerton, CA 92833 | Preschool |
| Fullerton School District Beechwood School | 780 Beechwood Avenue, Fullerton, CA 92831 | Preschool |
| Gim Place | 15700 Rosecrans Avenue, La Mirada, CA 90638 | Center |
| Golden Springs Child Development Center | 245 S. Ballena Dr., Diamond Bar, CA 91765 | Preschool |
| Good Shepherd Pre School | 7082 Crescent Avenue, Buena Park, CA 90620 | Preschool |
| Goodearth Montessori School | 2593 Chino Hills Parkway Ste.a, Chino Hills, CA 91709 | Preschool |
| Grandview Elementary School | 795 N. Grandview, La Puente, CA 91744 | Center |
| Greenleaf Headstart | 6355 Greenleaf, Whittier, CA 90601 | Preschool |
| Grow and Learn Center | 14540 San Cristobal Drive, La Mirada, CA 90638 | Center |
| Hacienda - La Puente USD E2 | 15540 Fairgrove Ave., La Puente, CA 91744 | Center |
| Hacienda Heights American & Japanese 7th Day Adventist | 2120 S. Stimson Ave., Hacienda Heights, CA 91745 | Preschool |
| Hacienda Heights Christian Preschool | 2100 South Stimson Avenue, Hacienda Heights, CA 91745 | Preschool |
| Hacienda La Puente Head Start - Kwis | 1925 S. Kwis Ave., Hacienda Heights, CA 91745 | Preschool |
| Hacienda La Puente Head Start State Preschool - Glenelder | 16234 Folger, Hacienda Heights, CA 91745 | Preschool |
| Hacienda La Puente Preschool - Lassalette | 14333 Lassalette, La Puente, CA 91744 | Preschool |
| Hacienda La Puente Preschool - Valinda | 1030 Indian Summer, La Puente, CA 91744 | Preschool |
| Hacienda La Puente USD - Baldwin | 1616 N. Griffiths, La Puente, CA 91744 | Center |
| Hacienda La Puente USD - Bixby | 16446 Wedgeworth Dr. Room 6, Hacienda Heights, CA 91745 | Center |
| Hacienda La Puente USD - California West Headstart | 1111 California Avenue, La Puente, CA 91744 | Center |
| Hacienda La Puente USD - Sunset | 800 N. Tonopah, La Puente, CA 91744 | Center |
| Hacienda La Puente USD - Temple School P-4 | 635 California Ave, La Puente, CA 91744 | Center |
| Hacienda La Puente USD Preschool - De Valle | 801 N. Del Valle, La Puente, CA 91744 | Preschool |
| Hacienda La Puente USD Sparks Elementary Room #26 | 15151 Temple Avenue, La Puente, CA 91744 | Center |
| Hacienda Montessori Academy | 15694 Tetley Street, Hacienda Heights, CA 91745 | Preschool |
| Halcyon Child Development Center | 624 North Anaheim Blvd., Anaheim, CA 92805 | Center |
| Happy Day Education Center | 1845 W. La Palma Avenue, Anaheim, CA 92801 | Center |
| Happy Hippo Preschool | 1401 So. Anaheim Blvd. #b, Anaheim, CA 92805 | Preschool |
| Heights Christian Pre-school | 1245 Hacienda Road, La Habra, CA 90631 | Preschool |
| Hephatha Lutheran Church Preschool | 5900 E Santa Ana Canyon Rd, Anaheim, CA 92807 | Preschool |
| Here We Grow Learning Center DCC | 3530 W. Pomona Blvd., Pomona, CA 91768 | Center |
| Heritage Oak Private Elementary and Preschool | 16971 Imperial Highway, Yorba Linda, CA 92886 | Preschool |
| Hillsborough Private School | 4757 Valley View, Yorba Linda, CA 92886 | Preschool |
| Hillsborough School | 191 Old Springs Road, Anaheim, CA 92808 | Preschool |
| Hillsborough Schools | 160 Old Springs Road, Anaheim, CA 92808 | Preschool |
| Hirest Country Day School | 2000 West Road, La Habra, CA 90631 | Preschool |
| Holy Trinity Lutheran Church Preschool | 15710 Newton Street, Hacienda Heights, CA 91745 | Preschool |
| Hurley Head Start | 17050 Northam Street, La Puente, CA 91744 | Center |
| Immanuel Evangelical Lutheran Church and School | 147 S. Pine, Orange, CA 92866 | Preschool |
| Immanuel First Lutheran Church & School | 512 S Valinda Ave, West Covina, CA 91790 | Preschool |
| Independence Christian Pre-school | 1820 East Meats Avenue, Orange, CA 92865 | Preschool |
| International School of Montessori | 20781 Amar Road #1, Walnut, CA 91789 | Preschool |
| IvyCrest Montessori Private School | 2025 E. Chapman Avenue, Fullerton, CA 92831 | Preschool |
| Ivycrest Montessori Private School | 6555 Fairmont Blvd., Yorba Linda, CA 92886 | Preschool |
| Jesus' Hands Preschool | 5621 Beach Blvd., Buena Park, CA 90621 | Preschool |
| Joyland Nursery School | 9122 S Painter Ave, Whittier, CA 90602 | Center |
| Juliette Low School Readiness Room | 215 N. Ventura, Room 51, Anaheim, CA 92801 | Center |
| June Bug Preschool | 2829 North Glassell Avenue, Orange, CA 92865 | Preschool |
| Kellogg Polytecnic Child Development Center | 610 Medina St., Pomona, CA 91768 | Center |
| Kid Junction | 20704 San Jose Hills Road, Walnut, CA 91789 | Preschool |
| Kids Adventure Learning Center | 1834 W. Valencia Drive, Fullerton, CA 92833 | Preschool |
| Kids and Blocks | 10262 S. Colima Rd., Whittier, CA 90603 | Preschool |
| Knott Child Development Center | 7300 La Palma Avenue, Buena Park, CA 90620 | Preschool |
| La Habra Christian Church Child Care Center | 1400 Bella Vista Dr., La Habra, CA 90631 | Preschool |
| La Habra Heritage School | 323 North Euclid Street, La Habra, CA 90631 | Preschool |
| La Habra Presbyterian Pre School | 951 N Idaho St, La Habra, CA 90631 | Preschool |
| La Habra United Methodist Church Weekday Nursery | 631 North Euclid Avenue, La Habra, CA 90631 | Preschool |
| La Mirada Friends Christian Preschool | 12000 La Mirada Blvd, La Mirada, CA 90638 | Preschool |
| La Mirada Heights Christian Pre-school | 12200 Oxford Drive, La Mirada, CA 90638 | Preschool |
| La Mirada Pre-school | 14340 Valley View, La Mirada, CA 90638 | Preschool |
| La Puente Valley Rop "Rainbow Preschool" | 2000 S. Otterbein, Rowland Heights, CA 91748 | Preschool |