| Mary & Janet's Day Care & Learning Center | 5897 N Elston Ave, Chicago, IL 60646 | Center |
| Mary Crane Center East Site | 2905 N Leavitt St, Chicago, IL 60618 | Preschool |
| Mary Crane Center Lake & Pulaski | 2974 N Clybourn Ave, Chicago, IL 60618 | Preschool |
| Mary Crane Center Molade | 2974 N Clybourn Ave, Chicago, IL 60618 | Preschool |
| Mary Crane Center North Site | 2905 N Leavitt St, Chicago, IL 60618 | Preschool |
| Mary Crane Center West Site | 2820 N Leavitt St, Chicago, IL 60618 | Preschool |
| Mary Seat of Wisdom Preschool | 1352 S Cumberland, Park Ridge, IL 60068 | Preschool |
| Mason Elementary School Preschool | 4217 W 18th St, Chicago, IL 60623 | Preschool |
| May Elementary Community Academy Preschool | 512 S Lavergne Ave, Chicago, IL 60644 | Preschool |
| Mayfair Early Learning | 4719 N PULASKI RD, Chicago, IL 60630 | Center |
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| Maywood Child Development Center | 1100 Madison St # 1110, Maywood, IL 60153 | Preschool |
| Maywood Margery Daw Day Care | Po Box 758, Maywood, IL 60153 | Center |
| McCormick Tribune YMCA | 1834 N Lawndale Ave, Chicago, IL 60647 | Preschool |
| McKinneys Early Learning Academy | 5743 W Division St # 45, Chicago, IL 60651 | Center |
| Mcauliffe Elementary School Preschool | 1841 N Springfield, Chicago, IL 60647 | Preschool |
| Mccormick Child Care Center Swedish Cov. | 5145 N California Ave, Chicago, IL 60625 | Preschool |
| Mccormick Elementary School Preschool | 2712 S Sawyer Ave, Chicago, IL 60623 | Preschool |
| Mcnair Elementary School Preschool | 4820 W Walton St, Chicago, IL 60651 | Preschool |
| Me, Mines & Ours Daycare | 1002 Bellwood Ave # 4, Bellwood, IL 60104 | Center |
| Meca Elementary School Preschool Preschool | 425 Bohland Ave, Bellwood, IL 60104 | Preschool |
| Melody Elementary School Preschool | 412 S Keeler Ave, Chicago, IL 60624 | Preschool |
| Melrose Park Elementary School Preschool | 1715 W Lake St, Melrose Park, IL 60160 | Preschool |
| Melzer School Preschool | 9400 Oriole Ave, Morton Grove, IL 60053 | Preschool |
| Memito's Academy For Children | 2445 N Laramie Ave, Chicago, IL 60639 | Center |
| Messiah Lutheran Child Care Center | 1605 Vernon Ave, Park Ridge, IL 60068 | Center |
| Methodist Parents Day Out | 100 W Cossitt Ave, La Grange, IL 60525 | Center |
| Methodist Pre-School | 100 W Cossitt Ave, La Grange, IL 60525 | Preschool |
| Metropolitan Family Services N Children Center | 3255 N Central Ave, Chicago, IL 60634 | Preschool |
| Midwestern Christian Academy Preschool | 3465 N Cicero Ave, Chicago, IL 60641 | Preschool |
| Mitchell Elementary School Preschool | 2233 W Ohio St, Chicago, IL 60612 | Preschool |
| Monroe Elementary School Preschool | 3651 W Schubert Ave, Chicago, IL 60647 | Preschool |
| Monroe Elementary School Preschool | 210 N Madison St, Hinsdale, IL 60521 | Preschool |
| Montessori Childrens Academy | 706 E Park Blvd, Villa Park, IL 60181 | Preschool |
| Montessori Childrens Community | 3424 Maple Ave, Brookfield, IL 60513 | Preschool |
| Montessori Language Academy Preschool | 314 Circle Ave, Forest Park, IL 60130 | Preschool |
| Montessori Learning Center of Edison Park | 6740 N Oliphant Ave, Chicago, IL 60631 | Preschool |
| Montessori School of Burr Ridge | 15w431 E 59th St, Willowbrook, IL 60527 | Preschool |
| Montessori School of Western Springs Preschool | 1500 Walker St, Western Springs, IL 60558 | Preschool |
| Moos Elementary School Preschool | 1711 N California Av, Chicago, IL 60647 | Preschool |
| Morningside Montessori Academy | 1192 S Cuyler Ave, Oak Park, IL 60304 | Preschool |
| Morton College Child Learning Center | 3801 S Central Ave, Cicero, IL 60804 | Center |
| Morton Elementary Career Academy Preschool | 431 N Troy St, Chicago, IL 60612 | Preschool |
| Mosaic Early Childhood Academy | 5334 W Addison St, Chicago, IL 60641 | Preschool |
| Mosaic Montessori Academy Preschool | 7970 Lake St, River Forest, IL 60305 | Preschool |
| Mother Goose Day Care Center | 1809 S Wolf Rd, Hillside, IL 60162 | Center |
| Mozart Elementary School Preschool | 2200 N Hamlin Ave, Chicago, IL 60647 | Preschool |
| Mt. Ararat Daycare Center | 7208 W Summerdale Ave, Chicago, IL 60656 | Center |
| Murphy Elementary School Preschool | 3539 W Grace St, Chicago, IL 60618 | Preschool |
| My Precious Little Angels | 7012 W North Ave, Elmwood Park, IL 60707 | Center |
| Nash Elementary School Preschool | 4837 W Erie St, Chicago, IL 60644 | Preschool |
| New Beginning Day Care | Po Box 440232, Chicago, IL 60644 | Center |
| New Day College Preparatory Preschool | 5038 W Madison St, Chicago, IL 60644 | Preschool |
| New Horizon Childcare | 854 N Central Ave, Chicago, IL 60651 | Center |
| New Horizon Organization | 5303 W Chicago Ave, Chicago, IL 60651 | Center |
| New Life Community Zone School Preschool | 3540 W Cermak Rd, Chicago, IL 60623 | Preschool |
| New Morning Childrens House | 400 N Walnut St, Itasca, IL 60143 | Preschool |
| Nia Family Center | 744 N Monticello Ave, Chicago, IL 60624 | Center |
| Nixon Elementary School Preschool | 2121 N Keeler Ave, Chicago, IL 60639 | Preschool |
| Nobel Elementary School Preschool | 4127 W Hirsch St, Chicago, IL 60651 | Preschool |
| Norridge Park District ECPA Preschool | 8151 W Lawrence Ave, Harwood Heights, IL 60706 | Preschool |
| Norridge Park District Preschool & Daycare Center | 8151 W Lawrence Ave, Harwood Heights, IL 60706 | Preschool |
| North Austin Lutheran Head Start | 1001 E Touhy Ave Ste 50, Des Plaines, IL 60018 | Preschool |
| North Avenue Day Nursery | 2001 W Pierce Ave, Chicago, IL 60622 | Preschool |
| North Lawndale YMCA | 3449 W Arthington St, Chicago, IL 60624 | Center |
| North Park Church Preschool | 5250 N Christiana Ave, Chicago, IL 60625 | Preschool |
| North River Elementary School Preschool | 4416 N Troy St, Chicago, IL 60625 | Preschool |
| North Shore Sda Junior Academy Preschool | 5220 N California Av, Chicago, IL 60625 | Preschool |
| Northeastern Illinois University Child Care | 5500 N Saint Louis Ave, Chicago, IL 60625 | Center |
| Northwest Institute For Contemp Academy Preschool | 5108 W Division St, Chicago, IL 60651 | Preschool |
| Northwest Institute For Contemporary Learning | 4040 W Division St, Chicago, IL 60651 | Center |
| Northwest Suburban Day Care Center | 1755 Howard Ave, Des Plaines, IL 60018 | Center |
| Norwood Park Elementary School Preschool | 5900 N Nina Ave, Chicago, IL 60631 | Preschool |
| Notre Dame School Preschool | 66 Norfolk Ave, Clarendon Hills, IL 60514 | Preschool |
| Nursery School of Congregation Etz Chaim | 1710 S Highland Ave, Lombard, IL 60148 | Center |
| Oak Brook Christian | 3100 Midwest Rd, Oak Brook, IL 60523 | Preschool |
| Oak Brook Christian School | 3100 Midwest Rd, Oak Brook, IL 60523 | Center |
| Oak Park Friends Academy | 1192 S CUYLER AVE, Oak Park, IL 60304 | Center |
| Oak Park Montessori School Preschool | 937 Garfield St, Oak Park, IL 60304 | Preschool |
| Oak Park and River Forest Day Nursery | 1139 Randolph St, Oak Park, IL 60302 | Center |
| Oak Tree Pre School | 9220 Broadway Ave, Brookfield, IL 60513 | Preschool |
| Oak Tree Preschool | 9219 Broadway Ave Ste B, Brookfield, IL 60513 | Preschool |
| Oakbrook KinderCare - CLOSED | 1111 Pasquinelli Dr. #300, Westmont, IL 60559 | Preschool |
| Oakbrook Terrace Park District Preschool | 1s325 Ardmore Ave, Villa Park, IL 60181 | Preschool |
| Oakton Comm Coll Early Care & Ed Center | 7701 Lincoln Ave, Skokie, IL 60077 | Center |
| Ogden Ave Elementary School Preschool | 501 W Ogden Ave, La Grange, IL 60525 | Preschool |
| Oliver W Holmes Elementary School Preschool | 508 N Kenilworth Ave, Oak Park, IL 60302 | Preschool |
| Onahan Elementary School Preschool | 6634 W Raven St, Chicago, IL 60631 | Preschool |
| Onward Neighborhood House | 600 N Leavitt St, Chicago, IL 60612 | Preschool |
| Onward Neighborhood House Day Care Programs | 600 N Leavitt St, Chicago, IL 60612 | Center |
| Orchard Place Elementary School Preschool | 2727 Maple St, Des Plaines, IL 60018 | Preschool |
| Oriole Park Elementary School Preschool | 5424 N Oketo Ave, Chicago, IL 60656 | Preschool |
| Orr Infant and Family Development | 730 N. Pulaski Rd., Chicago, IL 60606 | Center |
| Ortiz De Dominguez Elementary School Preschool | 3000 S Lawndale Ave, Chicago, IL 60623 | Preschool |
| Otis P Graves Elementary School Preschool | 6021 S 74th Ave, Summit Argo, IL 60501 | Preschool |
| Our Lady Immaculate Academy Preschool | 410 Washington Blvd, Oak Park, IL 60302 | Preschool |
| Our Lady of Charity Preschool | 3620 S 57th Ct, Cicero, IL 60804 | Preschool |
| Our Lady of Destiny Preschool | 1880 Ash St, Des Plaines, IL 60018 | Preschool |
| Our Lady of Grace School Preschool | 2446 N Ridgeway Ave, Chicago, IL 60647 | Preschool |
| Our Lady of Lourdes Head Start | 1449 S Keeler Ave, Chicago, IL 60623 | Preschool |
| Our Lady of Tepeyac Head Start | 2414 S Albany Ave, Chicago, IL 60623 | Preschool |