| Charter Oak USD Development Center - Preschool Program | 1505 S. Sunflower Ave., Glendora, CA 91740 | Preschool |
| Citrus College Child Development Center | 1000 W Foothill Bl., Glendora, CA 91740 | Center |
| Foothill Christian Pre-school | 242 West Baseline, Glendora, CA 91740 | Preschool |
| Foothill Christian Preschool | 301 E. Route 66, Glendora, CA 91740 | Preschool |
| Glendora Unified School District Preschool | 725 S. Vecino Avenue, Glendora, CA 91740 | Preschool |
| Grace Baptist Preschool | 1515 S. Glendora Avenue, Glendora, CA 91740 | Preschool |
| Hope Lutheran Preschool | 1041 E. Foothill Blvd., Glendora, CA 91740 | Preschool |
| Options Head Start Whitcomb | 350 W. Mauna Loa, Glendora, CA 91740 | Preschool |
| Options State Preschool CDC Washington | 325 W. Gladstone, Glendora, CA 91740 | Preschool |
| St. Lucy's Benedictine Child Development Center | 19049 E. Sierra Madre Ave., Glendora, CA 91740 | Preschool |
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| Tutor Time Child Care Learning Center | 531 E. Arrow Hwy, Glendora, CA 91740 | Preschool |
| Village Christian Pre-school | 710 E. Gladstone St., Glendora, CA 91740 | Preschool |