15child care centers
758licensed places
| Name and address | License | Places |
|---|---|---|
| Diamond Bar Community Preschool 400 South Rancheria Road, Diamond Bar | Preschool center | 36 |
| Diamond Bar Montessori Academy 23555 Palomino Dr, Diamond Bar | Preschool center | 118 |
| Diamond Bar Montessori Academy 23555 Palomino Dr, Diamond Bar | Infant center | 24 |
| Golden Springs Child Development Center, Rm. 29 245 S. Ballena Dr., Diamond Bar | Preschool center | 15 |
| Kiddie Academy of Diamond Bar 21385 Cold Spring Lane, Diamond Bar | Preschool center | 100 |
| Kiddie Academy of Diamond Bar 21385 Cold Spring Lane, Diamond Bar | Infant center | 32 |
| La Petite Academy Inc.-Grand Ave. 722 So. Grand Ave., Diamond Bar | Preschool center | 118 |
| La Petite Academy Inc.-Grand Ave. 722 So. Grand Ave., Diamond Bar | School-age center | 28 |
| La Petite Academy, Inc. 722 S. Grand Avenue, Diamond Bar | Infant center | 10 |
| Mt. Calvary Lutheran Preschool & Day Care Center 23300 East Golden Springs Dr., Diamond Bar | Preschool center | 72 |
| Mt. Calvary Lutheran Preschool and Day Care 23300 Golden Springs Dr, Diamond Bar | Infant center | 20 |
| Towne & Country Preschool & Infant Center at Aqmd 21805 E. Copley Dr., Diamond Bar | Infant center | 16 |
| Towne & County Preschool & Infant Center at Aqmd 21805 E. Copley Dr., Diamond Bar | Preschool center | 76 |
| YMCA Early Learning Center 22600 Sunset Crossing Rd, Diamond Bar | Preschool center | 63 |
| YMCA Early Learning Center 22600 Sunset Crossing Rd, Diamond Bar | School-age center | 30 |