| Business | Phone |
| Cookie Land Pre School 2460 S Euclid Ave, Ontario 91762 | (909) 986-1124 |
| Creative Kids Preschool & Day 1161 E Riverside Dr, Ontario 91761 | (909) 923-5006 |
| Echos Of Faith Christian Schl 11255 S Central Ave, Ontario 91762 | (909) 627-3078 |
| First United Methodist School 918 N Euclid Ave, Ontario 91762 | (909) 983-3868 |
| Headstart Preschool 720 N Sultana Ave, Ontario 91764 | (909) 983-0600 |
| Kids Club 1825 N Vineyard Ave, Ontario 91764 | (909) 985-7279 |
| Montessori Progressive School 328 W Phillips St, Ontario 91762 | (909) 988-7145 |
| Ontario Christian Preschools 1907 S Euclid Ave, Ontario 91762 | (909) 983-2420 |
| Ontario Head Start 555 W Maple St, Ontario 91762 | (909) 983-7008 |
| Ontario Maple Headstart 555 W Maple St, Ontario 91762 | (909) 984-4117 |