| North St. Peters KinderCare | 4150 S Cloverleaf Dr, Saint Peters, MO 63376 | Preschool |
| St. Charles KinderCare | 1900 Zumbehl Rd, Saint Charles, MO 63303 | Center |
| A Kids Club | 313 Wood St, O Fallon, MO 63366 | Center |
| A To Z Kids | 230 Jungermann Rd, Saint Peters, MO 63376 | Center |
| Abc Day Care and Learning Center Inc | 2796 Hwy K, O Fallon, MO 63366 | Preschool |
| Abc Daycare & Learning Centers Inc | # 15 Garvey Pky, Saint Charles, MO 63303 | Preschool |
| Abc Daycare and Learning Center Inc | 2998 Technology Dr, Lake Saint Louis, MO 63367 | Preschool |
| Adventures Learning Academy Inc | 1346 Dingledine Rd, Saint Charles, MO 63304 | Center |
| Ages and Stages Learning Center | 3925 Highway D, Defiance, MO 63341 | Preschool |
| Amerikids Christian Center | 1017 N Main St, O Fallon, MO 63366 | Center |
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| Apple Tree Academy | 1507 Highway Z, Wentzville, MO 63385 | Preschool |
| Bee Brite Learning Center | 401 Glengate Estates Dr, O Fallon, MO 63366 | Center |
| Bella Montessori | 203 Church St, O Fallon, MO 63366 | Center |
| Beth Academy | 4301 Keaton Crossing Blvd, O Fallon, MO 63368 | Center |
| Bright Expressions | 1380 Triad Center Dr, Saint Peters, MO 63376 | Preschool |
| Calvary Church Mothers Day Out | 3998 Mid Rivers Mall Dr, Saint Peters, MO 63376 | Center |
| Cambridge School | 200 Chesterfield Business Pky, Chesterfield, MO 63005 | Center |
| Carrie Kueck | 1354 Buffalo Rock Dr, O Fallon, MO 63366 | Center |
| Chesterfield Academy | 17661 Wildhorse Creek Rd, Chesterfield, MO 63005 | Preschool |
| Childrens Edu-care Center Inc | 100 Vantage Dr, Saint Peters, MO 63376 | Preschool |
| Cornerstone Preschool | 1151 Tom Ginnever, O Fallon, MO 63366 | Preschool |
| Creative Corner Childcare Center | 1075 Highway P, O Fallon, MO 63366 | Center |
| Dardenne Presbyterian Church Mdo & Preschool | 7400 Highway N,, O Fallon, MO 63368 | Preschool |
| Delmar Gardens of O Fallon Early Childhood Ed Center | 7068 S Outer 364, O Fallon, MO 63366 | Center |
| Doodle Bug Learning Center | 1400 Britian Way, Saint Charles, MO 63304 | Center |
| Dream Achievers Children's Center | 6325 Mexico Rd, Saint Peters, MO 63376 | Center |
| Early Childhood Family Education Center at Francis Howell Dist. | 4810 Meadows Pky, Saint Charles, MO 63304 | Preschool |
| Faith Preschool Parents Day Out | 2950 Droste Rd, Saint Charles, MO 63301 | Preschool |
| First Academy Child Care | 2688 Hwy K, O Fallon, MO 63366 | Center |
| First Baptist Church of St Peters Preschool | 3533 Mid Rivers Mall Dr, Saint Peters, MO 63376 | Preschool |
| First Class Christian Child Care and Preschool | 700 Jungermann Rd, Saint Peters, MO 63376 | Preschool |
| Futures Preschool and Christian Family Center | 3555 Franks Dr, Saint Charles, MO 63301 | Preschool |
| Good Shepherd Little Lambs Cdc | 8425 Mexico Rd, Saint Peters, MO 63376 | Preschool |
| Great Beginnings Daycare and Preschool | 5289 Highway N, Saint Charles, MO 63304 | Preschool |
| Great Beginnings Learning Center | 2183 Muegge Rd, Saint Charles, MO 63303 | Preschool |
| Greenbrier Montessori Academy | 7375 Weldon Springs Rd, O Fallon, MO 63368 | Center |
| Gym Quarters Gymnastics | 92 Hubble Dr, O Fallon, MO 63368 | Center |
| H.o.p.e Ministries | 4750 N Service Rd, Saint Peters, MO 63376 | Preschool |
| Holy Cross Lutheran Preschool | 8945 Veterans Memorial Pkwy, O Fallon, MO 63366 | Preschool |
| Hope Academy of Early Learning | 2041 Bluestone Dr, Saint Charles, MO 63303 | Preschool |
| Hope Lutheran Church Preschool | 1975 Hwy 94 South, Saint Charles, MO 63303 | Preschool |
| Hope Montessori Day Care Academy Lake St Louis | 1799 Lake St Louis Blvd, Lake Saint Louis, MO 63367 | Preschool |
| Imagination Station Preschool and Child Care | 220 Sonderen St, O Fallon, MO 63366 | Preschool |
| Just 4 Us Childcare Inc. | 1306 Feise Rd, O Fallon, MO 63366 | Center |
| Just 4 Us Childcare and Learning Center | 1579 S Old Highway 94, Saint Charles, MO 63303 | Center |
| Karens Kids Inc | 3857 Mc Clay Rd, Saint Peters, MO 63376 | Center |
| Kids Academy Inc. | 7767 Highway N, O Fallon, MO 63366 | Center |
| Kids Kingdom | #2 Four Winds, Saint Peters, MO 63376 | Preschool |
| Kids Play | 2949 Hwy K, O Fallon, MO 63366 | Preschool |
| Kids R Kids | 123 Hutchings Farm Dr, O Fallon, MO 63366 | Preschool |
| Kids R Kids | 1020 Meyer Road, Wentzville, MO 63385 | Preschool |
| Learning Place Preschool | 8576 Veterans Memorial Pky, O Fallon, MO 63366 | Preschool |
| Linc Family Learning Center | 9 Love Park Ln, Wentzville, MO 63385 | Center |
| Little House Learning Center | 1031 Bryan Rd, O Fallon, MO 63366 | Center |
| Little Learner's Preschool O'fallon Family YMCA | 3451 Pheasant Meadows Dr, O Fallon, MO 63366 | Preschool |
| Little Learners Academy Inc | 5935 S Hwy 94, Saint Charles, MO 63304 | Preschool |
| Living Lord Lutheran Preschool | 500 Cedar Circle Dr, Lake Saint Louis, MO 63367 | Preschool |
| Los Ninos Bilingual Preschool | 4122 Keaton Crossing Blvd Ste 102, O Fallon, MO 63368 | Preschool |
| Lullaby Inn Learning Center | 10390 Veterans Memorial Pky, Lake Saint Louis, MO 63367 | Preschool |
| Magic World Preschool | 106 Kent Dr, Wentzville, MO 63385 | Preschool |
| Michelle Gay Huez | 57 Pensacola Ct, O Fallon, MO 63368 | Center |
| Mid Rivers Day Care Inc | 349 Mid Rivers Mall Dr, Saint Peters, MO 63376 | Preschool |
| New Day Child Development Center Inc | 1530 1st Capitol Dr. South, Saint Charles, MO 63303 | Center |
| New Hope Presbyterian Preschool | 1580 Kisker Rd, Saint Charles, MO 63304 | Preschool |
| Noah's Ark Academy | 411 W Pearce, Wentzville, MO 63385 | Center |
| O'Fallon KinderCare - CLOSED | 6016 Weldon Spring Parkway, Saint Charles, MO 63304 | Preschool |
| Patterson Preschool #5 | 902 E Pearce Blvd, Wentzville, MO 63385 | Preschool |
| Renaud Spirit Center | 2650 Tri Sports Cir, O Fallon, MO 63368 | Preschool |
| Spencer Creek Church of God Daycare | 2300 Willott Rd, Saint Peters, MO 63376 | Center |
| St Charles Community College Child Dev Center | 4601 Mid Rivers Mall Dr, Saint Peters, MO 63376 | Preschool |
| St Charles County Family YMCA Early Childhood Center | 3456 Harry S Truman Blvd, Saint Charles, MO 63301 | Preschool |
| St Peters Learning Academy | 6810 Mexico Rd, Saint Peters, MO 63376 | Preschool |
| Stepping Stones Christian Academy - St Peters | 605 S Church St, Saint Peters, MO 63376 | Center |
| Stepping Stones Christian Academy O Fallon | 207 East Pitman, O Fallon, MO 63366 | Center |
| Sunshine Kids Day Out and Preschool | 3115 Mcclay Rd, Saint Peters, MO 63376 | Preschool |
| Superkids Daycare | 102 Birdie Hills, Saint Peters, MO 63376 | Preschool |
| Tendercare Learning Center | 4778 Central School Rd, Saint Charles, MO 63304 | Center |
| Tendercare Learning Center #3 | 206 Mcdonald Ln, O Fallon, MO 63366 | Preschool |
| The Early Childhood Prep School | 2720 Highway 94 S Outer Road, Saint Charles, MO 63303 | Center |
| The Learning Lodge | 140 T.r. Hughes Blvd, O Fallon, MO 63366 | Preschool |
| The Learning Safari | 1505 Caulks Hill Rd, Saint Charles, MO 63304 | Center |
| The Morgan School | 7401 Highway N, O Fallon, MO 63368 | Preschool |
| The Solid Rock Preschool & Mdo (first Baptist Church of Wentzvill | 653 N Business 61 Hwy, Wentzville, MO 63385 | Preschool |
| Tyke Town Development Center | 2240 Lake St Louis Blvd, Lake Saint Louis, MO 63367 | Preschool |
| United Services For The Handicapped | 4140 Old Mill Pky, Saint Peters, MO 63376 | Preschool |
| United Services For The Handicapped | 2025 Hanley Road, O Fallon, MO 63368 | Preschool |
| Watch Us Grow Early Childhood Academy | 4056 S Old Highway 94, Saint Charles, MO 63304 | Center |
| West County Day School at O'fallon | 9983 Winghaven Blvd, O Fallon, MO 63368 | Preschool |
| Wonder Years | 7104 Twin Chimneys Blvd, O Fallon, MO 63368 | Preschool |
| World of Little People | 128 E Elm St, O Fallon, MO 63366 | Center |
| YMCA St Charles Branch Jefferson Middle School | 2660 Zumbehl, Saint Charles, MO 63301 | Center |
| YMCA St Charles Branch Mount Hope Elementary | 1099 Mount Hope, O Fallon, MO 63366 | Center |
| YMCA St Charles Branch St Peters Elementary | 400 Mcmenamy Rd, Saint Peters, MO 63376 | Center |
| YMCA St Charles Co Branch Pheasant Point | 3450 Pheasant Meadows Dr, O Fallon, MO 63366 | Center |
| YMCA St Charles County - Emge Elementary | 250 O Fallon Pky, O Fallon, MO 63366 | Center |
| YMCA St Charles County Assumption School | 203 W 3rd St, O Fallon, MO 63366 | Center |
| YMCA St Charles County Branch Dardenne Elementary | 2621 Highway K, O Fallon, MO 63366 | Center |
| YMCA St Charles County Branch Harris Elementary | 2800 Old Muegge Rd, Saint Charles, MO 63303 | Center |
| YMCA St Charles County Branch Hawthorne School | 166 Boone Hills Dr, Saint Peters, MO 63376 | Center |
| YMCA St Charles County Branch J L Mudd | 610 Prince Ruppert, O Fallon, MO 63366 | Center |