| Rosemont Elementary School Preschool | 6101 Ruby St, Des Plaines, IL 60018 | Preschool |
| Roy De Shane Elementary School Preschool | 475 Chippewa Trl, Carol Stream, IL 60188 | Preschool |
| Rupley Elementary School Preschool | 305 Oakton St, Elk Grove Village, IL 60007 | Preschool |
| Sacred Heart Preschool | 322 W Maple St, Lombard, IL 60148 | Preschool |
| Safari Childcare | 1630 W Algonquin Rd, Mount Prospect, IL 60056 | Preschool |
| Safari Childcare | 1736 E Kensington Rd # 38, Mount Prospect, IL 60056 | Preschool |
| Safari Childcare | 126 E Wing St Ste 336, Arlington Heights, IL 60005 | Center |
| Safari Childcare Incorporated | 1524 W Algonquin Rd, Palatine, IL 60067 | Center |
| Salem Plaza KinderCare - CLOSED | 1021 North Salem Dr., Schaumburg, IL 60194 | Preschool |
| Salt Creek Elementary School Preschool | 65 Jf Kennedy Blvd, Elk Grove Village, IL 60007 | Preschool |
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| Schafer Elementary School Preschool | 700 E Pleasant Ln, Lombard, IL 60148 | Preschool |
| Schaumburg Christian School Preschool | 200 N Roselle Rd, Schaumburg, IL 60194 | Preschool |
| Schick's Crossing Preschool | 300 Schick Rd, Bartlett, IL 60103 | Preschool |
| Science and Arts Academy | 1825 Miner St, Des Plaines, IL 60016 | Preschool |
| Sears Child Development Center | 5334 Sears Pkwy, Hoffman Estates, IL 60192 | Preschool |
| Shepherds Flock | 800 W Oakton St, Arlington Heights, IL 60004 | Preschool |
| Simba Child Care Center | 176 W Irwing Park, Wood Dale, IL 60191 | Center |
| Small World Children's Center | 2316 Hassell Rd, Hoffman Estates, IL 60169 | Preschool |
| Sonshine Nursery School | 304 W Palatine Rd, Prospect Heights, IL 60070 | Center |
| South Elementary School Preschool | 1535 Everett Ave, Des Plaines, IL 60018 | Preschool |
| Spring Trail Elementary School Preschool | 1384 Spring Valley, Carol Stream, IL 60188 | Preschool |
| St Alphonsus Liguori Preschool | 411 N Wheeling Rd, Prospect Heights, IL 60070 | Preschool |
| St Colette School Preschool | 3900 Pheasant Dr, Rolling Meadows, IL 60008 | Preschool |
| St Emily School Preschool | 1400 E Central Rd, Mount Prospect, IL 60056 | Preschool |
| St Hubert School Preschool | 255 Flagstaff Ln, Hoffman Estates, IL 60169 | Preschool |
| St Isidore School Preschool | 431 W Army Trail Rd, Bloomingdale, IL 60108 | Preschool |
| St James School Preschool | 821 N Arlington Hts, Arlington Heights, IL 60004 | Preschool |
| St John Lutheran School | 125 E Seminary Ave, Wheaton, IL 60187 | Preschool |
| St Maria Goretti School Preschool | 10050 Ivanhoe Ave, Schiller Park, IL 60176 | Preschool |
| St Matthew School Preschool | 1555 Glen Ellyn Rd, Glendale Heights, IL 60139 | Preschool |
| St Michael Preschool | 314 W Willow Ave, Wheaton, IL 60187 | Preschool |
| St Paul Christian Day Care Center | 545 S Ardmore Ave, Villa Park, IL 60181 | Center |
| St Paul Lutheran School Preschool | 18 S School St, Mount Prospect, IL 60056 | Preschool |
| St Peter Lutheran School Preschool | 111 W Olive St, Arlington Heights, IL 60004 | Preschool |
| St Peter Lutheran School Preschool | 208 E Schaumburg Rd, Schaumburg, IL 60194 | Preschool |
| St Peter The Apostle School Preschool | 500 N Cherry St, Itasca, IL 60143 | Preschool |
| St Philip The Apostle School Preschool | 1233 W Holtz Ave, Addison, IL 60101 | Preschool |
| St Pius X Preschool | 601 S Westmore Ave, Lombard, IL 60148 | Preschool |
| St Raymond School Preschool | 300 S Elmhurst Ave, Mount Prospect, IL 60056 | Preschool |
| St Theresa School Preschool | 445 N Benton St, Palatine, IL 60067 | Preschool |
| St Thomas of Villanova Preschool | 1141 E Anderson Dr, Palatine, IL 60074 | Preschool |
| St Walter School Preschool | 201 W Maple Ave, Roselle, IL 60172 | Preschool |
| St Zachary School Preschool | 567 W Algonquin Rd, Des Plaines, IL 60016 | Preschool |
| St. John Ev. Lutheran Pre-School | 1800 S Rodenburg Rd, Schaumburg, IL 60193 | Preschool |
| St. Mark Preschool | 200 S Wille St, Mount Prospect, IL 60056 | Preschool |
| Sunrise Montessori Academy | 960 W Army Trail Rd, Addison, IL 60101 | Preschool |
| Sunrise Montessori Academy | 960 W Army Trail Bld, Addison, IL 60101 | Preschool |
| Sunshine Day Care Center of Des Plaines | 1157-59 Alqonquin Road, Des Plaines, IL 60016 | Center |
| Sunshine Day Care Center of Desplaines | 1157 E Algonquin Rd, Des Plaines, IL 60016 | Center |
| Tender Loving Care Mont | 30 N Park Ave, Lombard, IL 60148 | Preschool |
| Tender Loving Care Professional | 30 N Park Ave, Lombard, IL 60148 | Preschool |
| Terrace Elementary School Preschool | 735 S Westgate Rd, Des Plaines, IL 60016 | Preschool |
| The Ark Preschool | 277 Hawthorne Blvd, Glen Ellyn, IL 60137 | Preschool |
| The Big Barn Preschool | 888 S Roselle Rd, Schaumburg, IL 60193 | Preschool |
| The Early Childhood Education Center | 1410 N Roosevelt Blvd, Schaumburg, IL 60173 | Preschool |
| The Goddard School | 1001 E Woodfield Rd, Schaumburg, IL 60173 | Center |
| The Growing Place | 1111 E Madison St, Lombard, IL 60148 | Center |
| The Village Glendale Heights Parks & Recreation Department Pre-School | 250 Civic Center Plz, Glendale Heights, IL 60139 | Preschool |
| The Wheaton Bible Church Pre-School | 27w500 North Ave, West Chicago, IL 60185 | Preschool |
| Thomas Dooley Elementary School Preschool | 622 Norwood Ln, Schaumburg, IL 60193 | Preschool |
| Three Oaks Montessori School | 421 E Palatine Rd, Palatine, IL 60074 | Center |
| Timber Trails Elementary School Preschool | 1675 Mcdonough Rd, Hoffman Estates, IL 60192 | Preschool |
| Tioga Elementary School Preschool | 212 W Memorial Rd, Bensenville, IL 60106 | Preschool |
| Toddlers Campus of First Baptist Church | 1310 N Main St, Wheaton, IL 60187 | Preschool |
| Tree Town Cooperative Nursery School | 235 S Kenilworth Ave, Elmhurst, IL 60126 | Preschool |
| Trinidad Head Start | 1001 E Touhy Ave, Des Plaines, IL 60018 | Preschool |
| Trinity Care Center | 233 E Maple Ave, Roselle, IL 60172 | Center |
| Trinity Christian Nursery School | 300 S Ardmore Ave, Villa Park, IL 60181 | Preschool |
| Trinity Lutheran School Preschool | 405 Rush St, Roselle, IL 60172 | Preschool |
| Trinity Preschool | 605 W Golf Rd, Mount Prospect, IL 60056 | Preschool |
| Tt Acquisition | 1335 N Arlington Heights Rd, Itasca, IL 60143 | Center |
| Tutor Time Child Care Learning Centers | 1970 Army Trail Rd, Hanover Park, IL 60133 | Center |
| Villa Park Head Start | 331 S York Rd # Lifelink, Bensenville, IL 60106 | Preschool |
| Village Preschool | 308 N Evergreen Ave, Arlington Heights, IL 60004 | Preschool |
| Village of Villa Park - Recreation Department Early Care Programs | 338 N Iowa Ave, Villa Park, IL 60181 | Preschool |
| Virginia Lake Elementary School Preschool | 925 N Glenn Dr, Palatine, IL 60074 | Preschool |
| Waterbury Elementary School Preschool | 355 Rodenburg Rd, Roselle, IL 60172 | Preschool |
| West Chicago Head Start | 331 S York Rd, Bensenville, IL 60106 | Preschool |
| Westbrook Early Learning Center Preschool | 103 S Busse Rd, Mount Prospect, IL 60056 | Preschool |
| Westminster Preschool | 500 Anthony St, Glen Ellyn, IL 60137 | Preschool |
| Westover Lane KinderCare - CLOSED | 1122 Westover Lane, Schaumburg, IL 60193 | Preschool |
| Wheaton Montessori School | 1970 N Gary Ave, Wheaton, IL 60187 | Preschool |
| White Oak School & Day Care Center | 2112 W White Oak St, Arlington Heights, IL 60005 | Preschool |
| Willow Recreation Center Preschool & Before/After School Care | 3600 Lexington Dr, Hoffman Estates, IL 60192 | Preschool |
| Windsor Elementary School Preschool | 1315 E Miner St, Arlington Heights, IL 60004 | Preschool |
| Winnebago Elementary School Preschool | 195 Greenway Dr, Bloomingdale, IL 60108 | Preschool |
| Winston Campus Elementary Preschool | 900 E Palatine Rd, Palatine, IL 60074 | Preschool |
| Winston Churchill Elementary School Preschool | 1520 North Jones Rd, Schaumburg, IL 60195 | Preschool |
| Winthrop Children's Center | 1001 E Touhy Ave, Des Plaines, IL 60018 | Center |
| Wm Hammerschmidt Elementary School Preschool | 617 Hammerschmidt Av, Lombard, IL 60148 | Preschool |
| YWCA Branch Center - Spoon River College | 111 N Avenue A, Canton, IL 61520 | Center |