| Berkshire Drive KinderCare | 14 Berkshire Dr, Crystal Lake, IL 60014 | Preschool |
| La Petite Academy of Crystal Lake | 190 N Il Route 31, Crystal Lake, IL 60014 | Center |
| Barlina House Preschool | 1 E Crystal Lake Ave, Crystal Lake, IL 60014 | Preschool |
| Bethany Lutheran Preschool | 76 W Crystal Lake Ave, Crystal Lake, IL 60014 | Preschool |
| Bright Horizons Child Care & Early Education | 290 Memorial Ct, Crystal Lake, IL 60014 | Center |
| Chesterbrook Academy | 8525 Redtail Dr, Crystal Lake, IL 60014 | Center |
| Enrichment Preschool | 210 S McHenry Ave, Crystal Lake, IL 60014 | Preschool |
| First United Methodist Nursery School | 236 W Crystal Lake Ave, Crystal Lake, IL 60014 | Center |
| Friendship House | 100 S Main St Ste 400, Crystal Lake, IL 60014 | Center |
| Glacier Ridge Elementary School Preschool | 1120 Village Rd, Crystal Lake, IL 60014 | Preschool |
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| Immanuel Lutheran School Preschool | 300 S Pathway Ct, Crystal Lake, IL 60014 | Preschool |
| Learning Tree Preschool of Crystal Lake | 485 W Woodstock St, Crystal Lake, IL 60014 | Preschool |
| Lilliput Island | 6415 South Rte 31, Crystal Lake, IL 60014 | Center |
| Montessori Pathways | 133 Illinois St, Crystal Lake, IL 60014 | Preschool |
| Montessori Pathways School | 133 Illinois Str, Crystal Lake, IL 60014 | Center |
| My Father's World Preschool | 932 S McHenry Ave, Crystal Lake, IL 60014 | Preschool |
| Prairie Grove Elementary School Preschool | 3223 Il Route 176, Crystal Lake, IL 60014 | Preschool |
| Prairie Grove Extended Day Care | 701 Manor Rd, Crystal Lake, IL 60014 | Center |
| South Elementary School Preschool | 601 Golf Rd, Crystal Lake, IL 60014 | Preschool |
| St Paul's Christian Preschool | 485 W Woodstock St, Crystal Lake, IL 60014 | Preschool |
| Thunderbird Preschool | 625 Rudat Ct, Crystal Lake, IL 60014 | Preschool |