| Great Beginnings Child Care Center | 757 E Nerge Rd, Roselle, IL 60172 | Center |
| Greenbriar Elementary School Preschool | 1225 Greenbriar Ln, Northbrook, IL 60062 | Preschool |
| Greenbrier Elementary School Preschool | 2330 N Verde Dr, Arlington Heights, IL 60004 | Preschool |
| Guardian Angel Orthodox Day School Preschool | 2350 E Dempster St, Des Plaines, IL 60016 | Preschool |
| Hadi School of Excellence Preschool | 375 S Roselle Rd, Schaumburg, IL 60193 | Preschool |
| Happy Child Day Care & Discovery Center | 7750 W Devon Ave, Chicago, IL 60631 | Center |
| Happy Kids Preschool & Daycare Center | 7622 W Belmont Ave, Chicago, IL 60634 | Preschool |
| Happy Kids Preschool and Daycare | 5815 W IRVING PARK RD, Chicago, IL 60634 | Center |
| Harper College Child Learning Center | 1200 W Algonquin Rd, Palatine, IL 60067 | Center |
| Harvest Christian Academy Preschool | 800 Rohlwing Rd, Rolling Meadows, IL 60008 | Preschool |
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| Helen Lucy Child Care Center | 7529 N Overhill Ave, Chicago, IL 60631 | Center |
| Hellenic American Academy Preschool | 1085 Lake Cook Rd, Deerfield, IL 60015 | Preschool |
| Henking Elementary School Preschool | 2941 Linneman St, Glenview, IL 60025 | Preschool |
| Henry W Longfellow Elementary School Preschool | 501 S Arlington Hts, Buffalo Grove, IL 60089 | Preschool |
| Herbert Hoover Elementary School Preschool | 315 N Springinsguth, Schaumburg, IL 60194 | Preschool |
| Hickory Point Elementary School Preschool | 500 Laburnum Dr, Northbrook, IL 60062 | Preschool |
| Hillel Torah N Suburdan Day School | 7120 Laramie Ave, Skokie, IL 60077 | Preschool |
| Hinsdale Head Start | 331 S York Rd, Bensenville, IL 60106 | Preschool |
| His Grace Christian Child Development Learing Center | 1000 N Rohlwing Rd Ste 16, Lombard, IL 60148 | Preschool |
| Hisgrace Christian Childcare | 1000 N Rhlwing Rd 16, Lombard, IL 60148 | Preschool |
| Hitch Elementary School Preschool | 5625 N Mcvicker Ave, Chicago, IL 60646 | Preschool |
| Hoffman Estates Park District Blackhawk Pre School | 1685 W Higgins Rd, Hoffman Estates, IL 60169 | Preschool |
| Holy Family Catholic School Preschool | 330 E Fullerton Ave, Addison, IL 60101 | Preschool |
| Holy Ghost School Preschool | 260 N Wood Dale Rd, Wood Dale, IL 60191 | Preschool |
| House of Kids Day Care Center | 7158 W Addison St, Chicago, IL 60634 | Center |
| Hynes Elementary School Preschool | 9000 Belleforte Ave, Morton Grove, IL 60053 | Preschool |
| I T Day Care Center | 1637 Oakton Pl, Des Plaines, IL 60018 | Center |
| I-T Day Care Center | 2359 North Mannheim Road, Melrose Park, IL 60164 | Center |
| ICCI Academy Preschool | 6435 W Belmont Ave, Chicago, IL 60634 | Preschool |
| Immaculate Conception Grade School Preschool | 132 W Arthur St, Elmhurst, IL 60126 | Preschool |
| Immaculate Conception School Preschool | 7263 W Talcott Ave, Chicago, IL 60631 | Preschool |
| Immanuel Lutheran Preschool | 832 Lee St, Des Plaines, IL 60016 | Preschool |
| Immanuel Lutheran School Preschool | 200 N Plum Grove Rd, Palatine, IL 60067 | Preschool |
| Immanuel Lutheran School Preschool | 148 E 3rd St, Elmhurst, IL 60126 | Preschool |
| Indian Grove Elementary School Preschool | 1340 Burning Bush, Mount Prospect, IL 60056 | Preschool |
| Ivy Hill Elementary School Preschool | 2211 N Burke Dr, Arlington Heights, IL 60004 | Preschool |
| J Giles Elementary School Preschool | 4251 N Oriole Ave, Harwood Heights, IL 60706 | Preschool |
| J Leigh Elementary School Preschool | 8151 W Lawrence Ave, Harwood Heights, IL 60706 | Preschool |
| J Slowacki School Preschool | 181 W Dundee Rd, Wheeling, IL 60090 | Preschool |
| J W Riley Elementary School Preschool | 1209 E Burr Oak Dr, Arlington Heights, IL 60004 | Preschool |
| JCC at Beth Shalom | 3433 Walters Ave, Northbrook, IL 60062 | Preschool |
| JFH Educational Academy | 7642 W Irving Park, Harwood Heights, IL 60706 | Preschool |
| Jane Addams Elementary School Preschool | 1020 E Sayles Dr, Palatine, IL 60074 | Preschool |
| Jefferson School Preschool | 8200 W Greendale Ave, Niles, IL 60714 | Preschool |
| Jennifer's Child Care & Learning Center | Po Box 674, Elk Grove Village, IL 60009 | Center |
| Jennifer's Kids Learning Center | 1624 W Wise Rd, Schaumburg, IL 60193 | Center |
| Jennifer's Preschool & Childcare | Po Box 674, Elk Grove Village, IL 60009 | Preschool |
| Jerusalem Evangelical Lutheran Preschool | 6218 Capulina Ave, Morton Grove, IL 60053 | Preschool |
| Jfh Academy Preschool | 1001 Oak Ave, Prospect Heights, IL 60070 | Preschool |
| John F Kennedy Elementary School Preschool | 3945 Wehrman Ave, Schiller Park, IL 60176 | Preschool |
| John G Conyers Learning Academy | 2800 Central Rd, Rolling Meadows, IL 60008 | Preschool |
| John Jay Elementary School Preschool | 1835 W Pheasant Trl, Mount Prospect, IL 60056 | Preschool |
| John Muir Literacy Academy Preschool | 1973 Kensington Ln, Hoffman Estates, IL 60169 | Preschool |
| Jolly Fun House Playschool West | 1001 Oak Ave, Prospect Heights, IL 60070 | Center |
| Jolly Fun House Playschools | 7559 W Addison St, Chicago, IL 60634 | Preschool |
| Joyce Kilmer Elementary School Preschool | 655 Golfview Ter, Buffalo Grove, IL 60089 | Preschool |
| Julia S Molloy Education Center | 8701 Menard Ave, Morton Grove, IL 60053 | Preschool |
| Juliette Low Elementary School Preschool | 1530 S Highland Ave, Arlington Heights, IL 60005 | Preschool |
| Kiddie Academy | 314 Juliana Ln, Bloomingdale, IL 60108 | Preschool |
| Kiddie Garden | 9130 W Golf Rd, Niles, IL 60714 | Preschool |
| Kiddie Junction Educational Institute | 1619 E Oakton St, Des Plaines, IL 60018 | Center |
| Kiddy Learning Station | 1340 W Algonquin Rd # 1372, Arlington Heights, IL 60005 | Center |
| Kids Academy | 9233 Shermer Rd, Morton Grove, IL 60053 | Preschool |
| Kids World Day Care | 5910 W Montrose Ave # 12, Chicago, IL 60634 | Center |
| Kids of The Kingdom | 1122 W Rand Rd, Arlington Heights, IL 60004 | Center |
| Kidtown, USA | 1071 S Roselle Rd, Schaumburg, IL 60193 | Center |
| Kingswood Preschool | 401 W Dundee Rd, Buffalo Grove, IL 60089 | Preschool |
| Knowledge Beginnings | 2401 Compass Rd, Glenview, IL 60026 | Preschool |
| Knowledge Learning Corp / Knowledge Beginn | 1375 Remington Rd, Schaumburg, IL 60173 | Center |
| Knowledge Learning Corp School Partnership | 777 Checker Dr, Buffalo Grove, IL 60089 | Center |
| Knowledge Learning Corporation | 22w300 Sunnyside Rd, Medinah, IL 60157 | Center |
| Kripa Montessori School | 603 Randi Ln, Hoffman Estates, IL 60169 | Center |
| Kripa Montessori School | 1021 N SALEM DR, Schaumburg, IL 60194 | Center |
| Kripa Montessori School HE | 1015 W Golf Rd, Hoffman Estates, IL 60169 | Preschool |
| L & L Bright Beginnings Pre-School | 25 Mayer Ave, Wheeling, IL 60090 | Preschool |
| Lakeview Elementary School Preschool | 615 Lakeview Ln, Hoffman Estates, IL 60169 | Preschool |
| Learning Express Child Care | 7750 W DEVON AVE # 54, Chicago, IL 60631 | Center |
| Learning Loft | 655 N 1st Bank Dr, Palatine, IL 60067 | Center |
| Let Us Care Montessori School | 206 Rush St, Roselle, IL 60172 | Preschool |
| Lifelink Bensenville Home Soc Headstart | 331 S York Rd, Bensenville, IL 60106 | Preschool |
| Lifelink Head Start Gary Ave | 331 S York Rd, Bensenville, IL 60106 | Preschool |
| Lifelink Headstart - Wheaton | 331 S York Rd, Bensenville, IL 60106 | Preschool |
| Lincoln Prairie School | 500 Hillcrest Blvd, Hoffman Estates, IL 60169 | Preschool |
| Little Angels Learning Center | 4247 N Austin Ave, Chicago, IL 60634 | Center |
| Little Bison Day Care Center | 1100 W Dundee Rd, Buffalo Grove, IL 60089 | Preschool |
| Little Hands Child Development Center | 2755 Sanders Rd, Northbrook, IL 60062 | Preschool |
| Little Lamb Christian Preschool & Kindergarten | 946 E Thacker St, Des Plaines, IL 60016 | Preschool |
| Little Learners Educational Center | 1060 W Rand Rd, Arlington Heights, IL 60004 | Preschool |
| Little People's Montessori School | 7500 Skokie Blvd, Skokie, IL 60077 | Center |
| Little Prince Day Care II | 233 N MILL RD, Addison, IL 60101 | Center |
| Little Red Riding Hood | 7628 W Foster Ave # 30, Chicago, IL 60656 | Center |
| Little Saints Christian Preschool | 630 S Quentin Rd, Palatine, IL 60067 | Preschool |
| Little Scholars Learning Center | 6116 W Irving Park Rd, Chicago, IL 60634 | Center |
| Little Sprouts Day Care Center | 324 N York St, Elmhurst, IL 60126 | Center |
| Little University | 1250 Radcliffe Rd, Buffalo Grove, IL 60089 | Preschool |
| Locke J Elementary School Preschool | 2845 N Newcastle Ave, Chicago, IL 60634 | Preschool |
| Logos Christian Academy Preschool | 7280 N Caldwell Ave, Niles, IL 60714 | Preschool |
| Long Grove Country School | 20400 Old Hicks Rd, Lake Zurich, IL 60047 | Preschool |
| Lor-Jon Montessori Pre-School | 367 S Spring Rd, Elmhurst, IL 60126 | Preschool |
| Lor-Jon Montessori School | 367 S Spring Rd, Elmhurst, IL 60126 | Preschool |