| Berkshire Drive KinderCare | 14 Berkshire Dr, Crystal Lake, IL 60014 | Preschool |
| Cary Grove KinderCare | 324 Crystal St, Cary, IL 60013 | Preschool |
| Crystal Lake KinderCare | 645 Dakota St, Crystal Lake, IL 60012 | Preschool |
| KinderCare at Prairie Stone | 5100 Sedge Blvd, Hoffman Estates, IL 60192 | Preschool |
| KinderCare of Huntley | 12581 Princeton Dr, Huntley, IL 60142 | Preschool |
| La Petite Academy of Crystal Lake | 190 N Il Route 31, Crystal Lake, IL 60014 | Center |
| La Petite Academy of Lake In The Hills | 4540 W Algonquin Rd, Lake In The Hills, IL 60156 | Center |
| Randall Road KinderCare | 501 Rolls Rd, Algonquin, IL 60102 | Preschool |
| Sleepy Hollow KinderCare | 711 Willow Ln, Dundee, IL 60118 | Preschool |
| Tutor Time of Dundee | 850 E Main St, Dundee, IL 60118 | Preschool |
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| Algonquin Preschool | 109 Washington St, Algonquin, IL 60102 | Preschool |
| Algonquin Road Elementary School Preschool | 975 Algonquin Rd, Fox River Grove, IL 60021 | Preschool |
| BUMC Noah's Ark Christian Preschool | 98 Algonquin Rd, Barrington, IL 60010 | 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 |
| Bethlehem Lutheran Child Development Center | 340 Grand Blvd, Elgin, IL 60120 | Preschool |
| Briargate Elementary School Preschool | 100 S Wulff St, Cary, IL 60013 | Preschool |
| Bright Horizons Child Care & Early Education | 290 Memorial Ct, Crystal Lake, IL 60014 | Center |
| Bright Horizons at Elgin | 2450 Westfield Dr, Elgin, IL 60124 | Preschool |
| Bright Stars Academy | 1560 Weatherstone Ln, Elgin, IL 60123 | Preschool |
| Cary United Methodist Pre School | 500 1st St, Cary, IL 60013 | Preschool |
| Chesterbrook Academy | 8525 Redtail Dr, Crystal Lake, IL 60014 | Center |
| Childrens Gate Montessori | 3419 Walkup Rd, Crystal Lake, IL 60012 | Preschool |
| Childrens House Montessori School Preschool | 417 W Main St, Dundee, IL 60118 | Preschool |
| Childrens World | 40 W Acorn Ln, Lake In The Hills, IL 60156 | Center |
| Childworks Preschool | 1203 Crystal Lake Rd, Lake In The Hills, IL 60156 | Preschool |
| Cotton Creek School Preschool | 545 Newport Ct, Island Lake, IL 60042 | Preschool |
| Country Trails Elementary Preschool | 3701 Highland Woods, Elgin, IL 60124 | Preschool |
| Creekside Elementary Preschool | 655 N Airlite St, Elgin, IL 60123 | Preschool |
| Crystal Lake Montessori Preschool | 3013 S Country Club, Woodstock, IL 60098 | Preschool |
| Deer Path Elementary School Preschool | 2211 Crystal Lake Rd, Cary, IL 60013 | Preschool |
| Delacey Family Education Center | 50 Cleveland Ave, Carpentersville, IL 60110 | Preschool |
| Einstein Academy Preschool | 747 Davis Rd, Elgin, IL 60123 | Preschool |
| Elgin Academy Preschool | 350 Park St, Elgin, IL 60120 | Preschool |
| Enrichment Preschool | 210 S McHenry Ave, Crystal Lake, IL 60014 | Preschool |
| Faith Community Preschool | 10547 Faiths Way, Huntley, IL 60142 | Preschool |
| First United Methodist Nursery School | 236 W Crystal Lake Ave, Crystal Lake, IL 60014 | Center |
| Foundations Montessori School Preschool | 2651 W Algonquin Rd, Algonquin, IL 60102 | Preschool |
| Fox River Country Day School Preschool | 1600 Dundee Ave, Elgin, IL 60120 | Preschool |
| Friendship House | 100 S Main St Ste 400, Crystal Lake, IL 60014 | Center |
| Gilberts Elementary School Preschool | 729 Paper Bark Ln, Gilberts, IL 60136 | Preschool |
| Glacier Ridge Elementary School Preschool | 1120 Village Rd, Crystal Lake, IL 60014 | Preschool |
| Goddard School | 801 Georgetown Dr, Cary, IL 60013 | Center |
| Golfview Elementary School Preschool | 124 Golfview Ln, Carpentersville, IL 60110 | Preschool |
| Good Shepherd Lutheran School Preschool | 1111 Van St, Elgin, IL 60123 | Preschool |
| Harvest Christian Academy Preschool | 1000 N Randall Rd, Elgin, IL 60123 | Preschool |
| Highland Christian Academy Preschool | 2250 W Highland Ave, Elgin, IL 60123 | Preschool |
| Holy Cross Preschool & Kindergarten | 2107 3 Oaks Rd, Cary, IL 60013 | Preschool |
| House of Children | 2521 Harding Ln, Woodstock, IL 60098 | Center |
| Illinois Park Elementary School Preschool | 1350 Wing St, Elgin, IL 60123 | Preschool |
| Immanuel Lutheran School Preschool | 300 S Pathway Ct, Crystal Lake, IL 60014 | Preschool |
| Immanuel Lutheran School Preschool | 5 S Van Buren St, Dundee, IL 60118 | Preschool |
| Joy Foundations Christian Preschool & Daycare | 108 S Lakewood Rd, Lake In The Hills, IL 60156 | Preschool |
| Kid's Paradise | 202 Springhill Rd, Carpentersville, IL 60110 | Center |
| Lake Barrington Academy of Stars | 22102 N Pepper Rd, Barrington, IL 60010 | Preschool |
| Leaps and Bounds Preschool and Day Care | 9243 Route 31, Lake In The Hills, IL 60156 | Preschool |
| Learning Tree Preschool of Crystal Lake | 485 W Woodstock St, Crystal Lake, IL 60014 | Preschool |
| Light of Christ Preschool | 100 Hanson Rd, Algonquin, IL 60102 | Preschool |
| Lilliput Island | 6415 South Rte 31, Crystal Lake, IL 60014 | Center |
| Little Learners Incorporated | 4145 Greenfield Ln, Lake In The Hills, IL 60156 | Center |
| Lord and Savior Lutheran Preschool | 9300 Ridgefield Rd, Crystal Lake, IL 60012 | Preschool |
| Martin Elementary School Preschool | 10920 Reed Rd, Lake In The Hills, IL 60156 | Preschool |
| McHenry County College Childrens Learning Center | 8900 Us Highway 14 Bldg C, Crystal Lake, IL 60012 | Center |
| Meadowdale Elementary School Preschool | 14 Ash St, Carpentersville, IL 60110 | Preschool |
| 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 |
| New Creations Pre-School | 37w040 Highland Ave, Elgin, IL 60124 | Preschool |
| Oak Hill Daycare | 2600 Crystal Lake Rd, Cary, IL 60013 | Center |
| Otter Creek Elementary School Preschool | 2701 Hopps Rd, Elgin, IL 60124 | Preschool |
| Perry Elementary School Preschool | 251 Amarillo Dr, Carpentersville, IL 60110 | 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 |
| Prairie View Grade School Preschool | 10n630 Nesler Rd, Elgin, IL 60124 | Preschool |
| Prairiewood Elementary School Preschool | 3215 Hercules Rd, Woodstock, IL 60098 | Preschool |
| Rainbow Castle Child Care Center | 665 Barrington Ave, Carpentersville, IL 60110 | Preschool |
| Rocky Raccoon Preschool & Day Care Center | 100 Cary Algonquin Rd, Cary, IL 60013 | Preschool |
| Rogy's New Generation | 4099 W Algonquin Rd, Algonquin, IL 60102 | Center |
| Sears Child Development Center | 5334 Sears Pkwy, Hoffman Estates, IL 60192 | Preschool |
| Shining Stars Early Learning Center | 100 Country Side Dr, Algonquin, IL 60102 | Center |
| Sonshine Preschool | 18n377 Galligan Rd, Dundee, IL 60118 | Preschool |
| South Elementary School Preschool | 601 Golf Rd, Crystal Lake, IL 60014 | Preschool |
| Special Creations | 1735 W Highland Ave, Elgin, IL 60123 | Preschool |
| Sprouts Home Day Care | 311 Charles Street, Carpentersville, IL 60110 | Center |
| St Catherine of Siena Preschool | 845 W Main St, Dundee, IL 60118 | Preschool |
| St Johns Lutheran School Preschool | 300 Jefferson St, Algonquin, IL 60102 | Preschool |
| St Johns Lutheran School Preschool | 109 N Spring St, Elgin, IL 60120 | Preschool |
| St Joseph School Preschool | 274 Division St, Elgin, IL 60120 | Preschool |
| St Margaret Mary Preschool | 119 S Hubbard St, Algonquin, IL 60102 | Preschool |
| St Paul's Christian Preschool | 485 W Woodstock St, Crystal Lake, IL 60014 | Preschool |
| St Thomas More Preschool | 1625 W Highland Ave, Elgin, IL 60123 | Preschool |
| St. Barnabas Christian Preschool | 8901 Cary Algonquin Rd, Cary, IL 60013 | Preschool |
| St. Mark's Day School | 337 Ridge Rd, Barrington, IL 60010 | Preschool |
| Summit School | 333 W River Rd, Elgin, IL 60123 | Preschool |
| Summit School Preschool | 333 W River Rd, Elgin, IL 60123 | Preschool |
| Sunshine Early Learning Center | 960 E Oak St # 970, Lake In The Hills, IL 60156 | Center |
| TLC Preschool | Po Box 186, Huntley, IL 60142 | Preschool |
| The Children's Gate | 3419 Walkup Rd, Crystal Lake, IL 60012 | Center |
| The Early Education Station | 600 Willow Ln, Dundee, IL 60118 | Preschool |
| The Goddard School | 4561 Princeton Ln, Lake In The Hills, IL 60156 | Center |