| Business | Phone |
| Aims Academy 346 N Lemon Ave, Walnut 91789 | (909) 468-1116 |
| Collegewood Elementray School 20725 Collegewood Dr, Walnut 91789 | (909) 598-5308 |
| Del Paso High School 476 S Lemon Ave, Walnut 91789 | (909) 594-0619 |
| Ecc Academy Diamond Bar 20627 Golden Springs Dr, Walnut 91789 | (909) 595-0300 |
| International Schl-Montessori 20781 Amar Rd # 1, Walnut 91789 | (909) 594-8172 |
| South Point Middle School 20671 Larkstone Dr, Walnut 91789 | (909) 595-8171 |
| Southland Church Intl School 1920 Brea Canyon Cut Off Rd, Walnut 91789 | (909) 598-9733 |
| Stanley G Oswalt Elementary 19501 Shadow Oak Dr, Walnut 91789 | (626) 810-4109 |
| Suzanne Middle School 525 Suzanne Rd, Walnut 91789 | (909) 594-1657 |
| Vejar Elementary School 20222 Vejar Rd, Walnut 91789 | (909) 594-1434 |
| Walnut High School 400 Pierre Rd, Walnut 91789 | (909) 594-1333 |
| Walnut Valley School District 880 S Lemon Ave, Walnut 91789 | (909) 595-1261 |
| Westhoff Elementary School 1323 N Country Hollow Dr, Walnut 91789 | (909) 594-6483 |
| Ybarra Elementary School 1300 Brea Canyon Cut Off Rd, Walnut 91789 | (909) 598-3744 |
| Apple Learning Center Inc 20651 Golden Springs Dr, Walnut 91789 | (909) 869-6345 |
| Broadway Education Center 1321 N Grand Ave, Walnut 91789 | (909) 595-4528 |
| C J Morris Elementary School 19875 Calle Baja, Walnut 91789 | (909) 594-0053 |
| Childtime Learning Center 400 Pierre Rd, Walnut 91789 | (909) 598-7282 |
| Cross Christian School 20675 La Puente Rd, Walnut 91789 | (909) 468-9798 |
| Kumon Learning Center 18856 Amar Rd # 16, Walnut 91789 | (626) 913-5722 |
| Lincoln Chinese School 785 Pinefalls Ave, Walnut 91789 | (909) 598-2560 |
| Mpm Learning Institute 18856 Amar Rd # 1, Walnut 91789 | (909) 223-9603 |
| Quest Learning Center 725 Brea Canyon Rd # 6, Walnut 91789 | (909) 594-7500 |
| Stanford Academy 20280 Carrey Rd, Walnut 91789 | (909) 598-3851 |
| Walnut High Sch Blue Thunder 400 Pierre Rd, Walnut 91789 | (909) 594-2263 |