| 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 Montessori Preschool | 437 W. San Bernardino Rd., Covina, CA 91723 | Preschool |
| Discovery Montessori School | 2451 E. Garvey Avenue, West Covina, CA 91791 | Preschool |
| Discovery World Montessori | 801 Brea Canyon Road, Walnut, CA 91789 | Preschool |
| Dot I Tots Christian Preschool | 136 S. Valley Center, San Dimas, CA 91773 | 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 |
| Dream-I Education Center | 1700 West La Habra Blvd., La Habra, CA 90631 | Preschool |
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| Duarte Montessori | 1640 E. Third Street, Duarte, CA 91010 | Preschool |
| Duarte USD Head Start State Preschool - Beardslee | 1212 Kellwil Way, Duarte, CA 91010 | Preschool |
| Duarte Unified School District - Maxwell Site | 733 Euclid, Duarte, CA 91010 | Center |
| Duarte Unified School District Head Start | 1433 Crestfield Drive, Duarte, CA 91010 | Preschool |
| Durfee Elementary School | 4220 S. Durfee Avenue, Pico Rivera, CA 90660 | Preschool |
| Early Childhood Center of Christ Lutheran Church | 3401 North Harbor Blvd., Fullerton, CA 92835 | Center |
| East Valley Boys & Girls Club | 4100 Baldwin Park Blvd., Baldwin Park, CA 91706 | 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 |
| Edgewood Academy- Head Start State Preschool | 14135 Fairgrove Ave., La Puente, CA 91746 | Preschool |
| El Monte - Rosemead Adult School Child Care Center | 3515 Granada Ave., El Monte, CA 91731 | Center |
| El Monte Child Development Center | 4366 Santa Anita Avenue, El Monte, CA 91731 | Center |
| El Monte City School District - Cherrylee Head Start | 5025 Buffington Road, El Monte, CA 91731 | Preschool |
| El Monte City School District - Columbia School Head Start | 3400 N. California Avenue, El Monte, CA 91731 | Preschool |
| El Monte City School District - Cortada Elementary School | 3111 N. Potrero Ave., El Monte, CA 91731 | Center |
| El Monte City School District - Gidley Head Start | 10226 E. Lower Azusa Avenue, El Monte, CA 91731 | Preschool |
| El Monte City School District - Kid's Campus Head Start | 4316 Peck Road, El Monte, CA 91732 | Preschool |
| El Monte City School District - La Gore | 11121 E. Bryant Rd., El Monte, CA 91731 | Center |
| El Monte City School District - Mulhall School Head Start | 10900 Mulhall Street, El Monte, CA 91731 | Preschool |
| El Monte City School District - Potrero School Head Start | 2611 N. Potrero Avenue, South El Monte, CA 91733 | Preschool |
| El Monte City School District - Rio Vista School | 4300 Esto, El Monte, CA 91731 | Center |
| El Monte City School District - Shirpser School Head Start | 4020 N. Gibson Road, El Monte, CA 91731 | Preschool |
| El Monte City School District - Thompson School | 4544 Maxon Road, El Monte, CA 91732 | Center |
| El Monte City School District - Wilkerson School Head Start | 2700 Doreen Avenue, South El Monte, CA 91733 | Preschool |
| El Monte City School District- New Lexington Elementary School | 10410 E. Bodger, El Monte, CA 91731 | Center |
| Emanuel Lutheran Christian Preschool | 150 North Palm, La Habra, CA 90631 | Preschool |
| Emerson Child Development Center | 635 Lincoln Ave., Pomona, CA 91766 | Center |
| Emmanuel Episcopal Preschool | 1145 West Valencia Mesa, Fullerton, CA 92835 | Preschool |
| Eugene Obregon School | 3300 Sandoval Avenue, Pico Rivera, CA 90660 | Center |
| Fairway Education Center | 19560 E. Walnut Drive South, Rowland Heights, CA 91748 | Preschool |
| Faith Day Care Center | 505 East Bonita Avenue, San Dimas, CA 91773 | Center |
| Faith Lutheran Church and School | 9920 South Mills Avenue, Whittier, CA 90604 | 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 United Methodist Nursery School | 114 North Pomona Ave, Fullerton, CA 92832 | Preschool |
| Flanner Head Start Preschool | 1314 N. Leborgne, La Puente, CA 91746 | Preschool |
| Foothill Christian Pre-school | 242 West Baseline, Glendora, CA 91740 | Preschool |
| Foothill Christian Preschool | 301 E. Route 66, Glendora, CA 91740 | Preschool |
| Footprints Child Care Center | 136 S. Bandy, West Covina, CA 91790 | 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 School District Beechwood School | 780 Beechwood Avenue, Fullerton, CA 92831 | Preschool |
| Gateway Montessori & Preschool | 4730 Grand Ave., Covina, CA 91724 | Preschool |
| Geddes | 14600 Cavette Place, Baldwin Park, CA 91706 | Center |
| Gim Place | 15700 Rosecrans Avenue, La Mirada, CA 90638 | Center |
| Glendora Unified School District Preschool | 301 S. Loraine Avenue, Glendora, CA 91741 | Preschool |
| Glendora Unified School District Preschool | 725 S. Vecino Avenue, Glendora, CA 91740 | Preschool |
| Golden Springs Child Development Center | 245 S. Ballena Dr., Diamond Bar, CA 91765 | Preschool |
| Goodearth Montessori School | 2593 Chino Hills Parkway Ste.a, Chino Hills, CA 91709 | Preschool |
| Grace Baptist Preschool | 1515 S. Glendora Avenue, Glendora, CA 91740 | Preschool |
| Grace Garden Education Center | 4126 North Peck Road, El Monte, CA 91732 | Preschool |
| Grace Lutheran Church Preschool | 17880 E Covina Blvd, Covina, CA 91722 | Preschool |
| Grace Lutheran Preschool | 804 E. Foothill Blvd., Glendora, CA 91741 | Preschool |
| Grandview Elementary School | 795 N. Grandview, La Puente, CA 91744 | Center |
| Greenleaf Headstart | 6355 Greenleaf, Whittier, CA 90601 | Preschool |
| 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 |
| Hadley Preschool | 11703 East Hadley Street, Whittier, CA 90601 | Preschool |
| Happy Campers Learning Center | 14035 Francisquito, Baldwin Park, CA 91706 | Center |
| Heights Christian Pre-school | 1245 Hacienda Road, La Habra, CA 90631 | Preschool |
| Here We Grow Learning Center DCC | 3530 W. Pomona Blvd., Pomona, CA 91768 | Center |
| Hillsborough Private School | 4757 Valley View, Yorba Linda, CA 92886 | Preschool |
| Hirest Country Day School | 2000 West Road, La Habra, CA 90631 | Preschool |
| Holy Name of Mary School | 124 S. San Dimas Canyon Road, San Dimas, CA 91773 | Preschool |
| Holy Trinity Lutheran Church Preschool | 15710 Newton Street, Hacienda Heights, CA 91745 | Preschool |
| Hope Lutheran Preschool | 1041 E. Foothill Blvd., Glendora, CA 91740 | Preschool |
| Hurley Head Start | 17050 Northam Street, La Puente, CA 91744 | Center |
| ICO Grace Kids Garden | 802 N. Vineland Avenue, La Puente, CA 91746 | Preschool |
| Immanuel First Lutheran Church & School | 512 S Valinda Ave, West Covina, CA 91790 | Preschool |
| Inland Pre-school & Kindergarten | 1101 N. Glen Ave, Pomona, CA 91768 | 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 |