| Ryerson Elementary School Preschool | 646 N Lawndale Ave, Chicago, IL 60624 | Preschool |
| Sacred Heart School Preschool | 815 N 16th Ave, Melrose Park, IL 60160 | Preschool |
| Saint Chrysostom's Day School | 1424 N Dearborn St, Chicago, IL 60610 | Preschool |
| Saint Philip Lutheran Preschool Child Care Center | 2500 W Bryn Mawr Ave, Chicago, IL 60659 | Preschool |
| Salazar Elementary Bilingual Center Preschool | 160 W Wendell St, Chicago, IL 60610 | Preschool |
| Salem Christian School | 2018 N Richmond St, Chicago, IL 60647 | Preschool |
| Salvation Army Incarnation - Head Start | 1345 N Karlov Ave, Chicago, IL 60651 | Preschool |
| Sanctuary Child Care Development Center | 4922 S Cicero Ave, Chicago, IL 60638 | Center |
| Santa Lucia Preschool | 3017 S Wells St, Chicago, IL 60616 | Preschool |
| Saucedo Elementary Scholastic Academy Preschool | 2850 W 24th Blvd, Chicago, IL 60623 | Preschool |
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| Sauganash Montessori School | 5750 N Rogers Ave, Chicago, IL 60646 | Preschool |
| Sauganash School For The Young Years | 4541 W Peterson Ave, Chicago, IL 60646 | Center |
| Sayre Elementary Language Academy Preschool | 1850 N Newland Ave, Elmwood Park, IL 60707 | Preschool |
| Scammon Elementary School Preschool | 4201 W Henderson St, Chicago, IL 60641 | Preschool |
| Schneider Elementary School Preschool | 2957 N Hoyne Ave, Chicago, IL 60618 | Preschool |
| School For Little Chidlren of Evanston | 1427 Chicago Ave, Evanston, IL 60201 | Preschool |
| Schubert Elementary School Preschool | 2727 N Long Ave, Chicago, IL 60639 | Preschool |
| Servants of The Word Youth Outreach Center | 5530 W Congress Pkwy, Chicago, IL 60644 | Center |
| Seward Elementary Communication Arts Academy Preschool | 4600 S Hermitage Ave, Chicago, IL 60609 | Preschool |
| Sherlock Elementary School Preschool | 5347 W 22nd Pl, Cicero, IL 60804 | Preschool |
| Sherman Elementary School Preschool | 1000 W 52nd St, Chicago, IL 60609 | Preschool |
| Shining Star Learning Center | 4201 Main St # 7, Skokie, IL 60076 | Center |
| Sinai Preschool | 15 W Delaware Pl, Chicago, IL 60610 | Preschool |
| Sister Bonaventure Children's Center | 3522 N Central Ave, Chicago, IL 60634 | Center |
| Skinner Elementary School Preschool | 111 S Throop St, Chicago, IL 60607 | Preschool |
| Skokie Montessori School | 8401 Karlov Ave, Skokie, IL 60076 | Center |
| Small World Learning Center | 9750 Grand Ave, Franklin Park, IL 60131 | Center |
| Smarty Pants Early Learning Center | 710 E 47TH ST, Chicago, IL 60653 | Center |
| Smyser Elementary School Preschool | 4310 N Melvina Ave, Chicago, IL 60634 | Preschool |
| Smyth J Elementary School Preschool | 1059 W 13th St, Chicago, IL 60608 | Preschool |
| Solid Foundation Learning Center | 519 N Humphrey Ave, Oak Park, IL 60302 | Center |
| Solomon Elementary School Preschool | 6206 N Hamlin Ave, Chicago, IL 60659 | Preschool |
| Sonnets Academy River North | 430 W ERIE ST STE 100, Chicago, IL 60654 | Center |
| South East Asia Center Pre School | 1124 W Ainslie St, Chicago, IL 60640 | Preschool |
| South Loop Elementary School Preschool | 1212 S Plymouth Ct, Chicago, IL 60605 | Preschool |
| South-East Asia Center | 1112-1118 W. Foster Ave., Chicago, IL 60640 | Preschool |
| South-East Asia Center, Broadway | 5120 N Broadway St, Chicago, IL 60640 | Preschool |
| Spencer Elementary Math & Science Academy Preschool | 214 N Lavergne Ave, Chicago, IL 60644 | Preschool |
| Sprout Enrichment For The Gifted Child | 2221 N Lincoln Ave, Chicago, IL 60614 | Center |
| Spry Elementary Community School Preschool | 2400 S Marshall Blvd, Chicago, IL 60623 | Preschool |
| St Agatha Catholic Academy Preschool | 3151 W Douglas Blvd, Chicago, IL 60623 | Preschool |
| St Agnes of Bohemia Preschool | 2643 S Central Pk, Chicago, IL 60623 | Preschool |
| St Andrew Lutheran Preschool | 3659 S Honore St, Chicago, IL 60609 | Preschool |
| St Andrew School Preschool | 1710 W Addison St, Chicago, IL 60613 | Preschool |
| St Andrews Lutheran School Preschool | 260 N Northwest Hwy, Park Ridge, IL 60068 | Preschool |
| St Angela School Preschool | 1332 N Massasoit Ave, Chicago, IL 60651 | Preschool |
| St Ann Preschool | 2211 W 18th Pl, Chicago, IL 60608 | Preschool |
| St Barbara Preschool | 2867 S Throop St, Chicago, IL 60608 | Preschool |
| St Bartholomew School Preschool | 4941 W Patterson Ave, Chicago, IL 60641 | Preschool |
| St Benedict Elementary School Preschool | 3920 N Leavitt St, Chicago, IL 60618 | Preschool |
| St Bernadettes School For Spec Education | 7429 N Milwaukee Ave, Niles, IL 60714 | Preschool |
| St Bernardine School Preschool | 815 Elgin Ave, Forest Park, IL 60130 | Preschool |
| St Bruno School Preschool | 4839 S Harding Ave, Chicago, IL 60632 | Preschool |
| St Catherine of Siena - St Lucy Preschool | 27 Washington Blvd, Oak Park, IL 60302 | Preschool |
| St Celestine School Preschool | 3017 N 77th Ave, Elmwood Park, IL 60707 | Preschool |
| St Clement School Preschool | 2524 N Orchard St, Chicago, IL 60614 | Preschool |
| St Constance School Preschool | 5841 W Strong St, Chicago, IL 60630 | Preschool |
| St Cornelius Preschool | 5252 N Long Ave, Chicago, IL 60630 | Preschool |
| St Cyprian Preschool | 2561 Clinton St, River Grove, IL 60171 | Preschool |
| St Dominick Day Care | 4148 N Pontiac Ave, Chicago, IL 60634 | Center |
| St Edmund School Preschool | 200 S Oak Park Ave, Oak Park, IL 60302 | Preschool |
| St Edward Preschool | 4343 W Sunnyside Ave, Chicago, IL 60630 | Preschool |
| St Elizabeth Preschool | 4052 S Wabash Ave, Chicago, IL 60653 | Preschool |
| St Eugene Preschool | 7930 W Foster Ave, Chicago, IL 60656 | Preschool |
| St Ferdinand School Preschool | 3131 N Mason Ave, Chicago, IL 60634 | Preschool |
| St Frances of Rome Preschool | 1401 S Austin Blvd, Cicero, IL 60804 | Preschool |
| St Francis Borgia School Preschool | 3535 N Panama Ave, Chicago, IL 60634 | Preschool |
| St Francis Xavier Preschool | 808 Linden Ave, Wilmette, IL 60091 | Preschool |
| St Gabriel Preschool | 607 W 45th St, Chicago, IL 60609 | Preschool |
| St Gall Preschool | 5515 S Sawyer Ave, Chicago, IL 60629 | Preschool |
| St Genevieve School Preschool | 4854 W Montana St, Chicago, IL 60639 | Preschool |
| St Giles School Preschool | 1034 Linden Ave, Oak Park, IL 60302 | Preschool |
| St Helen School Preschool | 2347 W Augusta Blvd, Chicago, IL 60622 | Preschool |
| St Hilary School Preschool | 5614 N Fairfield Ave, Chicago, IL 60659 | Preschool |
| St Hyacinth Preschool | 3640 W Wolfram St, Chicago, IL 60618 | Preschool |
| St James Lutheran Preschool | 2101 N Fremont St, Chicago, IL 60614 | Preschool |
| St Jerome School Preschool | 2801 S Princeton Ave, Chicago, IL 60616 | Preschool |
| St Joan of Arc School Preschool - Skokie | 9245 Lawndale Ave, Evanston, IL 60203 | Preschool |
| St John Berchmans School Preschool | 2511 W Logan Blvd, Chicago, IL 60647 | Preschool |
| St John Brebeuf School Preschool | 8301 N Harlem Ave, Niles, IL 60714 | Preschool |
| St John Ev Lutheran School Preschool | 4939 W Montrose Ave, Chicago, IL 60641 | Preschool |
| St John of God Child Care Center | 5114 S Elizabeth St, Chicago, IL 60609 | Center |
| St Josaphat Preschool | 2245 N Southport Ave, Chicago, IL 60614 | Preschool |
| St Juliana School Preschool | 7400 W Touhy Ave, Chicago, IL 60631 | Preschool |
| St Ladislaus Preschool | 3330 N Lockwood Ave, Chicago, IL 60641 | Preschool |
| St Leonard School Preschool | 3322 Clarence Ave, Berwyn, IL 60402 | Preschool |
| St Luke Academy Preschool | 1500 W Belmont Ave, Chicago, IL 60657 | Preschool |
| St Luke Catholic School Preschool | 519 Ashland Ave, River Forest, IL 60305 | Preschool |
| St Malachy School Preschool | 2252 W Washington, Chicago, IL 60612 | Preschool |
| St Margaret Mary School Preschool | 7318 N Oakley Ave, Chicago, IL 60645 | Preschool |
| St Mary of The Angels Preschool | 1810 N Hermitage Ave, Chicago, IL 60622 | Preschool |
| St Mary of The Lake School Preschool | 1026 W Buena Ave, Chicago, IL 60613 | Preschool |
| St Mary of The Woods School Preschool | 7033 N Moselle Ave, Chicago, IL 60646 | Preschool |
| St Matthias Transfiguration School Preschool | 4910 N Claremont Ave, Chicago, IL 60625 | Preschool |
| St Monica School Preschool | 5115 N Mont Clare Av, Chicago, IL 60656 | Preschool |
| St Nicholas Cathedral Preschool | 2200 W Rice St, Chicago, IL 60622 | Preschool |
| St Odilo School Preschool | 6617 23rd St, Berwyn, IL 60402 | Preschool |
| St Pascal School Preschool | 6143 W Irving Pk, Chicago, IL 60634 | Preschool |
| St Paul - Our Lady of Vilna Preschool | 2114 W 22nd Pl, Chicago, IL 60608 | Preschool |
| St Paul Lutheran Academy Preschool | 5201 Galitz St, Skokie, IL 60077 | Preschool |