| Ketchings Cradle | 35 S 19th Ave, Maywood, IL 60153 | Center |
| Key Steps To Success | 4945 W Division St Fl 1, Chicago, IL 60651 | Center |
| Keystone Montessori School | Po Box 5548, River Forest, IL 60305 | Preschool |
| Kid'z Colony Day Care | 6287 S Archer Ave # 95, Chicago, IL 60638 | Preschool |
| Kid'z Imaginations Day Care | 5334 S Archer Ave, Chicago, IL 60632 | Center |
| Kiddie Academy of Carpentersville | 1000 W Adams St Apt 412, Chicago, IL 60607 | Preschool |
| Kiddie Garden Little Angels Child Care Center | 4235 S Kedzie Ave, Chicago, IL 60632 | Center |
| Kiddie Korner Academy | 7730 W North Ave, Elmwood Park, IL 60707 | Center |
| Kiddie Korral Academy | Po Box 23020, Chicago, IL 60623 | Center |
| Kiddie Kottage Day Care Center | 1946 W 87th St # 48, Chicago, IL 60620 | Preschool |
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| Kiddy Comfort Zone #1 Day Care Center | 817 N Hamlin Ave, Chicago, IL 60651 | Center |
| Kiddy Comfort Zone Day Care Center | 6441 North Ave Ste 103, Oak Park, IL 60302 | Center |
| Kiddy Kare Pre-School | 4444 46 South Kedzie, Chicago, IL 60632 | Preschool |
| Kids Academy | 3509 S King Dr, Chicago, IL 60653 | Center |
| Kids Corner Academy | 2416 S Michigan Ave, Chicago, IL 60616 | 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 | 448 E 61st St # 452, Chicago, IL 60637 | Center |
| Kids Count Too Daycare Center | 8531 S 88th Ave, Justice, IL 60458 | Center |
| Kids Hope Child Development Center | 514 W 31st St, Chicago, IL 60616 | Preschool |
| 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 |
| Kidslife Daycare Center | 4447 W Fullerton Ave # 55, Chicago, IL 60639 | Preschool |
| Kidz Creative Concepts | 719 E 63rd St, Chicago, IL 60637 | Center |
| King Elementary School Preschool | 740 S Campbell Ave, Chicago, IL 60612 | Preschool |
| King's Kiddie Kingdom | 815 W 74th St, Chicago, IL 60621 | Preschool |
| Kingswood Academy Preschool | 133 Plainfield Rd, Darien, IL 60561 | Preschool |
| Kinzie Elementary School Preschool | 5625 S Mobile Ave, Chicago, IL 60638 | Preschool |
| Knowledge Learning Corp - Meadowridge | 16w485 S Frontage Rd, Willowbrook, IL 60527 | Center |
| Knowledge Learning Corporation | 16w485 S Frontage Rd, Willowbrook, IL 60527 | Center |
| 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 |
| Komarek Elementary School Preschool | 8940 W 24th St, Riverside, IL 60546 | 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 |
| Lads and Lassies Pre-School | 7338 Richmond Ave, Darien, IL 60561 | Preschool |
| Ladse Learning Center Preschool | 7302 Clarendon Hills, Darien, IL 60561 | Preschool |
| Lafayette Elementary School Preschool | 2714 W Augusta Blvd, Chicago, IL 60622 | Preschool |
| Lakefront Children's Academy | 400 E Randolph St Fl 6b, Chicago, IL 60601 | 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 |
| Lasalle II Magnet Elementary School Preschool | 1148 N Honore St, Chicago, IL 60622 | Preschool |
| Lathrop Elementary School Preschool | 1440 S Christiana Av, Chicago, IL 60623 | Preschool |
| Laurance Armour Day School | 630 S Ashland Ave, Chicago, IL 60607 | Center |
| Lawn Manor School Preschool | 4300 W 108th Pl, Oak Lawn, IL 60453 | Preschool |
| Lawndale Community Day Care | 1800 S Lawndale Ave, Chicago, IL 60623 | Center |
| Lawndale Elementary Community Academy Preschool | 3500 W Douglas Blvd, Chicago, IL 60623 | Preschool |
| Learn Charter School | 1132 S Homan Ave, Chicago, IL 60624 | Preschool |
| Learning Circle | 4250 W 63rd St, Chicago, IL 60629 | Center |
| Learning Network Preschool | 5911 W Midway Park, Chicago, IL 60644 | Preschool |
| Lee Elementary School Preschool | 6448 S Tripp Ave, Chicago, IL 60629 | Preschool |
| Lee's Child Care Center | 1400 W Roosevelt Rd, Broadview, IL 60155 | Center |
| Lee's Child Care Center II | 1420 W Roosevelt Rd, Broadview, IL 60155 | Center |
| Lee's Cuddles N Care | 6106 W North Ave, Chicago, IL 60639 | Center |
| Legacy Elementary Charter School Preschool | 4217 W 18th St, Chicago, IL 60623 | Preschool |
| Leland Elementary School Preschool | 5221 W Congress Pkwy, Chicago, IL 60644 | Preschool |
| Lenart Elementary Regional Gifted Center Preschool | 8101 S La Salle St, Chicago, IL 60620 | Preschool |
| Les Finch Learning Tree Day Nursery School | 4217 W 16th St, Chicago, IL 60623 | Center |
| Let's Play Child Care Center | 6041 W 26th St, Cicero, IL 60804 | Center |
| Lewis Elementary School Preschool | 1431 N Leamington Av, Chicago, IL 60651 | Preschool |
| Lexington Elementary School Preschool | 415 Lexington St, Maywood, IL 60153 | Preschool |
| Libby Elementary School Preschool | 5300 S Loomis Blvd, Chicago, IL 60609 | Preschool |
| Liberty Elementary School Preschool | 4946 W 13th St, Cicero, IL 60804 | Preschool |
| Lincoln Elementary School Preschool | 511 Park Ave, River Forest, IL 60305 | Preschool |
| Lincoln Elementary School Preschool | 811 Chicago Ave, Maywood, IL 60153 | Preschool |
| Lincoln Elementary School Preschool | 4300 Grove Ave, Brookfield, IL 60513 | Preschool |
| Lindop Elementary School Preschool | 2400 S 18th Ave, Broadview, IL 60155 | Preschool |
| Little Achievers Child Care Develop Center | 539 Bellwood Ave, Bellwood, IL 60104 | Center |
| Little Angels Family Daycare | 6701 S Emerald Ave, Chicago, IL 60621 | Center |
| Little Beginnings Daycare | 847 Madison St, Oak Park, IL 60302 | Center |
| Little Folks Cottage | 5926 W Madison St # 30, Chicago, IL 60644 | 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 Giant's Child Care Center | 3863 W Harrison St, Chicago, IL 60624 | Center |
| Little Green Tree House | 118 S Ashland Ave, Chicago, IL 60607 | Preschool |
| Little Hands Child Creative Center | 7146 S Ashland Ave # 48, Chicago, IL 60636 | Center |
| 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 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 Learner's Day Care | 6255 S Mayfield Ave, Chicago, IL 60638 | Center |
| Little Learners Academy | 11111 S Harlem Ave, Worth, IL 60482 | Center |
| Little Legends Preschool Centers | 206 Chicago Ave # 208, Oak Park, IL 60302 | Preschool |
| Little Miracle Child Care | 3811 W Chicago Ave, Chicago, IL 60651 | 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 People Montessori Academy | 7942 Ogden Ave, Lyons, IL 60534 | Center |
| Little Peoples Academy of Arts & Education | 12 N Catherine Ave, La Grange, IL 60525 | Preschool |
| Little Peoples Country | 211 W Hillgrove Ave, La Grange, IL 60525 | Preschool |
| Little Peoples Institute Day Care Center | 117 E 87th St, Chicago, IL 60619 | Center |
| Little Shepherd Day Care | 24 N Hillside Ave, Hillside, IL 60162 | Center |
| Little Shepherd Pre-School | Po Box 42754, Evergreen Park, IL 60805 | Preschool |
| Little Shepherds Academy | Po Box 70, Forest Park, IL 60130 | Center |
| Little Steps Child Care & Development Center | 6108 S Harlem Ave, Summit Argo, IL 60501 | Center |
| Little Tykes II Day Care | 1723 W 35th St, Chicago, IL 60609 | Center |