A List of Private Schools in St. Charles County, Missouri

When you decide to buy a home, you will likely start by narrowing down where you want to look for potential homes. One of the biggest considerations, particularly if you have children or plan to have them soon, is often the area schools. If you plan for your children to attend public school, their school will be determined by your home’s district boundaries. Oftentimes, buyers in the Greater St. Louis area will narrow down the public school districts and even sometimes, specific public schools, and search for homes in areas that would be within those boundaries.

However, if you are considering a religious or other private education, there are typically no residency requirements and the list of choices can be a long one. Trying to narrow it down to the private schools you really want to look into can be a little overwhelming. To help with this, we have put together a list of private schools in St. Charles County so you can find them all in one place, and make your search a little bit easier!

1. Classical Academy de Lafayette (Wentzville, MO)

Classical Academy de Lafayette is a non-religiously affiliated private school located in Wentzville, MO.

GRADES OFFERED: K - 10th Grade (Will be K - 12th Grade by 2023-2024)

WHERE: 1102 E. Pitman Ave., Wentzville, MO 63385

PHONE: 636-357-9624

WEBSITE: Classical Academy de Lafayette

2. Immanuel Lutheran School - Wentzville (Wentzville, MO)

Immanuel Lutheran School is a religiously affiliated (Lutheran) private school located in Wentzville, MO. 

GRADES OFFERED: Preschool - 8th Grade

WHERE: 632 East Highway N, Wentzville, MO 63385

PHONE: 636-639-9887

WEBSITE: Immanuel Lutheran School

3. St. Patrick School (Wentzville, MO)

St. Patrick School is a religiously affiliated (Catholic) private school located in Wentzville, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 701 S Church St., Wentzville, MO 63385

PHONE: 636-332-9913

WEBSITE: St. Patrick School 

4. St. Theodore School (Wentzville, MO)

St. Theodore School is a religiously affiliated (Catholic) private school located in Wentzville, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 5059 Highway P, Wentzville, MO 63385

PHONE: 636-639-1385

WEBSITE: St. Theodore School

5. Andrews Academy Lake St. Louis (Lake St. Louis, MO)

Andrews Academy is a non-religiously affiliated private school located in Lake St. Louis, MO.

GRADES OFFERED: Kindergarten - 6th Grade

WHERE: 1701 Feise Rd., Lake St. Louis, MO 63367

PHONE: 636-561-7709

WEBSITE: Andrews Academy Lake St. Louis

6. Immaculate Conception of Dardenne Catholic School (Dardenne Prairie, MO)

Immaculate Conception of Dardenne Catholic School is a religiously affiliated (Catholic) private school located in Dardenne Prairie, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 2089 Hanley Rd., Dardenne Prairie, MO 63368

PHONE: 636-561-4450

WEBSITE: Immaculate Conception of Dardenne Catholic School

7. First Baptist Christian Academy (O’Fallon, MO)

First Baptist Christian Academy is a religiously affiliated (Christian) private school located in O’Fallon, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 8750 Veterans Memorial Parkway, O’Fallon, MO 63366

PHONE: 636-272-3220

WEBSITE: First Baptist Christian Academy

8. Assumption Catholic School (O’Fallon, MO)

Assumption Catholic School is a religiously affiliated (Catholic) private school located in O’Fallon, MO.

GRADES OFFERED: Pre-Kindergarten - 8th Grade

WHERE: 203 W 3rd St., O’Fallon, MO 63366

PHONE: 636-240-4474

WEBSITE: Assumption Catholic School

9. St. Dominic High School (O’Fallon, MO)

St. Dominic High School is a religiously affiliated (Catholic) private school located in O’Fallon, MO.

GRADES OFFERED: 9th - 12th Grade

WHERE: 31 Saint Dominic Dr., O’Fallon, MO 63366

PHONE: 636-240-8303

WEBSITE: St. Dominic High School

10. Christian High School & Middle School (O’Fallon, MO)

Christian High School & Middle School is a religiously affiliated (Christian) private school located in O’Fallon, MO.

GRADES OFFERED: 6th  - 12th Grade

WHERE: 16145 Tom Ginnever Ave., O’Fallon, MO 63366

PHONE: 636-978-1680

WEBSITE: Christian School District

11. Christian Elementary & Preschool (St. Peters, MO)

Christian Elementary & Preschool is a religiously affiliated (Christian) private school located in St. Peters, MO.

GRADES OFFERED: Preschool - 5th

WHERE: 1614 Willott Rd., St. Peters, MO 63376

PHONE: 636-978-1680

WEBSITE: Christian School District

12. Child of God Lutheran School (St. Peters, MO)

Child of God Lutheran School is a religiously affiliated (Lutheran) private school located in St. Peters, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 650 Salt Lick Rd., St. Peters, MO 63376

PHONE: 636-970-7080

WEBSITE: Child of God Lutheran School

13. All Saints School (St. Peters, MO)

All Saints School is a religiously affiliated (Catholic) private school located in St. Peters, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 5 McMenamy Rd., St. Peters, MO 63376

PHONE: 636-397-1440 ext. 2

WEBSITE: All Saints School

14. Lutheran High School of St. Charles County (St. Peters, MO)

Lutheran High School of St. Charles County is a religiously affiliated (Lutheran) private school located in St. Peters, MO.

GRADES OFFERED: 9th - 12th Grade

WHERE: 5100 Mexico Rd., St. Peters, MO 63376

PHONE: 636-928-5100

WEBSITE: Lutheran High School of St. Charles County

15. Immanuel Lutheran School - St. Charles (St. Charles, MO)

Immanuel Lutheran School - St. Charles is a religiously affiliated (Lutheran) private school located in St. Charles, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 115 S 6th St., St. Charles, MO 63301

PHONE: 636-946-0051

WEBSITE: Immanuel Lutheran School - St. Charles

16. St. Joseph School (Cottleville, MO)

St. Joseph School is a religiously affiliated (Catholic) private school located in Cottleville, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 1351 Motherhead Rd., Cottleville, MO 63304

PHONE: 636-441-0055

WEBSITE: St. Joseph School

17. Seton Regional Catholic School (St. Charles, MO)

Seton Regional Catholic School is a religiously affiliated (Catholic) private school located in St. Charles, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 1 Seton Ct., St. Charles, MO 63303

PHONE: 636-946-6716

WEBSITE: Seton Regional Catholic School

18. Messiah Lutheran School (St. Charles, MO)

Messiah Lutheran School is a religiously affiliated (Lutheran) private school located in St. Charles, MO. 

GRADES OFFERED: Preschool - 8th Grade

WHERE: 5911 S Highway 94, St. Charles, MO 63304

PHONE: 636-329-1096

WEBSITE: Messiah Lutheran School

19. Zion Lutheran School (St. Charles, MO)

Zion Lutheran School is a religiously affiliated (Lutheran) private school located in St. Charles, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 3866 S Old Highway 94, St. Charles, MO 63304

PHONE: 636-441-7424

WEBSITE: Zion Lutheran School

20. Sts Joachim & Ann School (St. Charles, MO)

Sts Joachim & Ann School is a religiously affiliated (Catholic) private school located in St. Charles, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 4110 McClay Rd., St. Charles, MO 63304

PHONE: 636-441-4835

WEBSITE: Sts Joachim & Ann School

21. Academy of the Sacred Heart (St. Charles, MO)

Academy of the Sacred Heart is a religiously affiliated (Catholic) private school located in St. Charles, MO.

GRADES OFFERED: Preschool - 8th Grade

WHERE: 619 N 2nd St., St. Charles, MO 63301

PHONE: 636-646-6127

WEBSITE: Academy of the Sacred Heart

22. Duchesne High School (St. Charles, MO)

Duchesne High School is a religiously affiliated (Catholic) private school located in St. Charles, MO.

GRADES OFFERED: 9th - 12th Grade

WHERE: 2250 Elm St., St. Charles, MO 63301

PHONE: 636-946-6767

WEBSITE: Duchesne High School

We hope this list helps you on your search. We’d love to hear from you!

Have you or your children attended any of these private schools in St. Charles County? What did you love about them? Is there a private school in St. Charles County that doesn’t appear on this list that you would like to see added? 

Please comment below and share your feedback about the educational offerings in St. Charles County to help those moving to the area or starting children in school in the near future. 

Please note that the best way to get up-to-date information about these schools is by visiting their websites or contacting them directly. We do not own, operate, or are otherwise affiliated with any of these schools.