15child care centers
1,067licensed places
| Name and address | License | Places |
|---|---|---|
| Archibald Ranch Christian Preschool 13344 South Archibald Avenue, Ontario | Preschool center | 111 |
| Easter Seals Child Development Center 1102 West Phillips Street, Ontario | Preschool center | 110 |
| Easter Seals Child Development Center 1102 West Phillips Street, Ontario | Infant center | 32 |
| Kindercare Learning Center 2140 S Euclid AVE, Ontario | Preschool center | 96 |
| Kindercare Learning Center 2140 South Euclid Avenue, Ontario | School-age center | 24 |
| Kindercare Learning Center 2140 South Euclid Avenue, Ontario | Infant center | 28 |
| Lil' Blue Heartwood Preschool 2460 S Euclid Ave, Ontario | Preschool center | 83 |
| Lil' Blue Heartwood Preschool 2460 S Euclid Ave, Ontario | Infant center | 16 |
| Omsd/El Camino Elementary School 1525 W. 5th Street, Ontario | Preschool center | 24 |
| Omsd/Hawthorne Elementary School 705 West Hawthorne Street, Ontario | Preschool center | 24 |
| Omsd/Haynes Elementary School 715 West Francis Street, Ontario | Preschool center | 24 |
| Ontario Christian Preschool/Day Care 1907 South Euclid Avenue, Ontario | Preschool center | 150 |
| Ontario-Montclair YMCA - Elderberry School Site 950 N. Elderberry, Ontario | School-age center | 55 |
| PSD/Ontario Head Start 555 West Maple Avenue, Ontario | Preschool center | 224 |
| Redeemer Lutheran Preschool 920 W. 6th Street, Ontario | Preschool center | 66 |