| Business | Phone |
| La Petite Academy 21385 Cold Spring Ln, Diamond Bar 91765 | (909) 598-2771 |
| La Petite Academy 722 Grand Ave, Diamond Bar 91765 | (909) 860-4009 |
| Maple Hill Fun Club 1350 Maple Hill Rd, Diamond Bar 91765 | (909) 861-1394 |
| Town & Country Preschool 21805 Copley Dr, Diamond Bar 91765 | (909) 861-9025 |
| Magnet Tutors 1403 S Diamond Bar Blvd, Diamond Bar 91765 | (909) 860-0013 |