| Institute of Academic Development | 15459 S Park Ave, South Holland, IL 60473 | Center |
| Institute of Positive Education | 7825 S Ellis Ave, Chicago, IL 60619 | Preschool |
| Itsy Bitsy People Palace | 7419 S Cottage Grove Ave, Chicago, IL 60619 | Preschool |
| Itsy Bitsy People Palace III | 7411 S Cottage Grove Ave, Chicago, IL 60619 | Preschool |
| Iva Playhouse | Po Box 528157, Chicago, IL 60652 | Center |
| J.P.E. Day Care Center | Po Box 1817, Calumet City, IL 60409 | Center |
| Jackson M Elementary School Preschool | 917 W 88th St, Chicago, IL 60620 | Preschool |
| Jada's Cuddly Care | 12126 Vincennes Rd, Blue Island, IL 60406 | Center |
| Jeanne Kenney YMCA Day Care Center | 7600 S Parnell Ave, Chicago, IL 60620 | Center |
| Jellybean Learning Center | 8501 S Ashland Ave, Chicago, IL 60620 | Center |
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| Jellybean Learning Center II | 358 E 71st St # 370, Chicago, IL 60619 | Center |
| Jenkins Institute of Love | 8907 S Cottage Grove Ave, Chicago, IL 60619 | Center |
| Jones Academy | Po Box 1202, Calumet City, IL 60409 | Preschool |
| Joplin Elementary School Preschool | 7931 S Honore St, Chicago, IL 60620 | Preschool |
| Jordan Baptist School Preschool | 5040 W 87th St, Burbank, IL 60459 | Preschool |
| Jules Hutton Christian Institute Preschool | Po Box 376, Posen, IL 60469 | Preschool |
| Jumpstart Dual Language Academy | 9802 S Ewing Ave, Chicago, IL 60617 | Center |
| Jumpstart Dual Language Academy III | 10468 S Indianapolis Ave, Chicago, IL 60617 | Center |
| Jungle Gym N Learn Preschool | 2760 W 111th St, Chicago, IL 60655 | Preschool |
| Just For Kids | 11024 South Bell Avenue, Chicago, IL 60643 | Preschool |
| Just For Kids | 5036 S Blackstone, Chicago, IL 60615 | Preschool |
| Just For Kids | 11024 S Bell Ave, Chicago, IL 60643 | Preschool |
| Keeper's Institute | 2718 W 59th St, Chicago, IL 60629 | Center |
| Kenyatta's Day Care | 2334 E 75th St, Chicago, IL 60649 | Center |
| Kershaw Elementary School Preschool | 6450 S Lowe Ave, Chicago, IL 60621 | Preschool |
| Kid'z For Success | Po Box 12, Posen, IL 60469 | Center |
| Kid'z Imaginations Day Care | 5334 S Archer Ave, Chicago, IL 60632 | Center |
| Kiddie Cottage | 17223 W Lake Rd, Lansing, IL 60438 | Center |
| Kiddie Garden Little Angels Child Care Center | 4235 S Kedzie Ave, Chicago, IL 60632 | Center |
| Kiddie Kottage Day Care Center | 1946 W 87th St # 48, Chicago, IL 60620 | Preschool |
| Kiddie Works | 1933 E 87th St, Chicago, IL 60617 | Center |
| Kiddy Kare Pre-School | 4444 46 South Kedzie, Chicago, IL 60632 | Preschool |
| Kiddy Kulture Child Care & Learning Center | Po Box 579, South Holland, IL 60473 | Center |
| Kids Academy | 3509 S King Dr, Chicago, IL 60653 | Center |
| Kids Count Too Babyland | 2706 - 2708 E 75th, Chicago, IL 60649 | Center |
| Kids Count Too Day Care | 2672 E 75th St, Chicago, IL 60649 | Center |
| Kids Count Too Day Care Center | 106 W 119th St # 108, Chicago, IL 60628 | Center |
| Kids Count Too Day Care Center | 2672 E 75th St, Chicago, IL 60649 | Center |
| Kids Count Too Day Care Center | 360 - 364 E 61st St, Chicago, IL 60637 | Center |
| Kids Count Too Daycare Center | 1106 W 63rd St # 08, Chicago, IL 60621 | Center |
| Kids Count Too Daycare Center | 2671 E 75th St # 73, Chicago, IL 60649 | Center |
| Kids Count Too Daycare Center | 448 E 61st St # 452, Chicago, IL 60637 | Center |
| Kids R First | 7538 S Halsted St, Chicago, IL 60620 | Center |
| Kids R First | 9040 S Vincennes Ave, Chicago, IL 60620 | Center |
| Kids R First Learning Academy | 1155 W 81st St, Chicago, IL 60620 | Center |
| Kidz Creative Concepts | 719 E 63rd St, Chicago, IL 60637 | Center |
| King's Kiddie Kingdom | 815 W 74th St, Chicago, IL 60621 | Preschool |
| Kohn Elementary School Preschool | 10414 S State St, Chicago, IL 60628 | Preschool |
| Kolmar Avenue Elementary School Preschool | 10425 S Kolmar Ave, Oak Lawn, IL 60453 | Preschool |
| Kove Learning Academy | 3137 W 71st St, Chicago, IL 60629 | Center |
| Kozminski Elementary Community Academy Preschool | 936 E 54th St, Chicago, IL 60615 | Preschool |
| L L Performing Arts Academy Preschool | 1551 W 95th St, Chicago, IL 60643 | Preschool |
| Lane Elementary School Preschool | 4600 W 123rd St, Alsip, IL 60803 | Preschool |
| Langford A Elementary School Preschool | 6010 S Throop St, Chicago, IL 60636 | Preschool |
| Lara Elementary Academy Preschool | 4619 S Wolcott Ave, Chicago, IL 60609 | Preschool |
| Laren Montessori Preschool | 425 E 164th St, South Holland, IL 60473 | Preschool |
| Lavizzo Elementary School Preschool | 138 W 109th St, Chicago, IL 60628 | Preschool |
| Lawn Manor School Preschool | 4300 W 108th Pl, Oak Lawn, IL 60453 | Preschool |
| Lawrence Elementary School Preschool | 9928 S Crandon Ave, Chicago, IL 60617 | Preschool |
| Learn As You Grow Preschool & Kindergarten | 1900 174th St, Hazel Crest, IL 60429 | Preschool |
| Learning Circle | 4250 W 63rd St, Chicago, IL 60629 | Center |
| Learning Tree Child Care Center | 950 Burnham Ave, Calumet City, IL 60409 | Preschool |
| Lee Elementary School Preschool | 6448 S Tripp Ave, Chicago, IL 60629 | Preschool |
| Lenart Elementary Regional Gifted Center Preschool | 8101 S La Salle St, Chicago, IL 60620 | Preschool |
| Lester Crawl Primary Center Preschool | 18300 Greenbay Ave, Lansing, IL 60438 | Preschool |
| Libby Elementary School Preschool | 5300 S Loomis Blvd, Chicago, IL 60609 | Preschool |
| Lincoln Elementary School Preschool | 410 157th St, Calumet City, IL 60409 | Preschool |
| Lincoln Elementary School Preschool | 14100 Honore Ave, Harvey, IL 60426 | Preschool |
| Lincoln School Preschool | 1223 173rd St, Hazel Crest, IL 60429 | Preschool |
| Little Angels Academy & Kindergarten | 16425 Maryland Ave, South Holland, IL 60473 | Center |
| Little Angels Family Daycare | 6701 S Emerald Ave, Chicago, IL 60621 | Center |
| Little Brown Bear Day Care | Po Box 286096, Chicago, IL 60628 | Center |
| Little Folks Day Care | 364 E 87th Pl, Chicago, IL 60619 | Center |
| Little Footsteps Academy | 11840 S Laporte Ave, Alsip, IL 60803 | Preschool |
| Little Footsteps Academy | 12745 Central Ave, Midlothian, IL 60445 | Center |
| Little Genius Community DCC | Po Box 1908, Calumet City, IL 60409 | Center |
| Little Hands Child Creative Center | 7146 S Ashland Ave # 48, Chicago, IL 60636 | Center |
| Little Hands Learning Center | 2368 E 69th St, Chicago, IL 60649 | Preschool |
| Little Hands Learning Center | 2324 W 111th St, Chicago, IL 60643 | Preschool |
| Little Hands and Feet Learning Center | 1803 W 95th St, Chicago, IL 60643 | Center |
| Little House Montessori | 10809 S Avenue F, Chicago, IL 60617 | Preschool |
| Little Kids Village Learning | 2845 W. 71st., Chicago, IL 60629 | Preschool |
| Little Kids Village Learning II | 2656 W. 71st, Chicago, IL 60629 | Preschool |
| Little Lamb Scholastic Academy | 10126 S Western Ave, Chicago, IL 60643 | Center |
| Little Learners Academy | 11111 S Harlem Ave, Worth, IL 60482 | Center |
| Little People Institute | 117 E 87th St, Chicago, IL 60619 | Center |
| Little People Learning II | 5650 S Woodlawn Ave, Chicago, IL 60637 | Center |
| Little Peoples Institute Day Care Center | 117 E 87th St, Chicago, IL 60619 | Center |
| Little Shepherd Pre-School | Po Box 42754, Evergreen Park, IL 60805 | Preschool |
| Little Tots Child Care | 454 Burnham Ave, Calumet City, IL 60409 | Center |
| Little Tykes II Day Care | 1723 W 35th St, Chicago, IL 60609 | Center |
| Little Tykes Pre-School | 1711 W 35th St, Chicago, IL 60609 | Preschool |
| Little World Day Care Center | Po Box 369071, Chicago, IL 60636 | Center |
| Lolly-pop Nursery School & Kindergarten | 9308 S Ashland Ave, Chicago, IL 60620 | Preschool |
| Lolly-pop Nursery School and Kindergarten | 1656 W 87th St, Chicago, IL 60620 | Preschool |
| London Bridges Pre-School | 708 E 100th Pl, Chicago, IL 60628 | Preschool |
| Longwood Elementary School Preschool | 441 N Longwood Dr, Glenwood, IL 60425 | Preschool |
| Lordanchild Christian Day Care | 3344 W 79th St, Chicago, IL 60652 | Preschool |
| Loren Children Learning Center | 2106 E 79th St # 10, Chicago, IL 60649 | Preschool |
| Los Pequenos Angelitos | 3711 W 55th St, Chicago, IL 60632 | Center |