| Business | Phone |
| Discovery World Inc 801 Brea Canyon Rd, Walnut 91789 | (909) 598-5540 |
| Funshine Preschool 880 S Lemon Ave, Walnut 91789 | (909) 595-3107 |
| Walnut United Methodist Prschl 20601 La Puente Rd, Walnut 91789 | (909) 444-9340 |
| Kid Junction Christian Prschl 20704 San Jose Hills Rd, Walnut 91789 | (909) 595-5437 |
| Mpm Math For Tomorrow 18856 Amar Rd # 1, Walnut 91789 | (626) 581-1861 |
| Oakwood International Schools 1208 S Lemon Ave, Walnut 91789 | (909) 598-5494 |