For the 2025-26 school year, there are 29 private elementary schools serving 9,382 students in St. Charles County, MO.
The top ranked private elementary schools in St. Charles County, MO include Immanuel Lutheran School-Wentzville, Assumption School, and First Baptist Christian Academy.
The average tuition cost is $9,894, which is lower than the Missouri private elementary school average tuition cost of $12,499.
87% of private elementary schools in St. Charles County, MO are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Top Ranked St. Charles County Private Elementary Schools (2025-26)
School
Location
Quick Facts
632 E Hwy N
Wentzville, MO 63385
(636) 639-9887
Wentzville, MO 63385
(636) 639-9887
Gr: NS-8 | 548 students Avg. class size: 22 students Sports: 7 | Extracurrculars: 5 Tuition listed
619 N 2nd St
Saint Charles, MO 63301
(636) 946-6127
Saint Charles, MO 63301
(636) 946-6127
Gr: K-8 | 195 students Avg. class size: 13 students Sports: 5 | Extracurrculars: 5 Tuition listed
5 Mcmenamy Rd
Saint Peters, MO 63376
(636) 397-1440
Saint Peters, MO 63376
(636) 397-1440
Gr: PK-8 | 210 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 9 Tuition listed
Assumption School![Assumption School Photo - For 154 years, Assumption School has been a beacon of faith and learning in O'Fallon, and we are proud to continue that tradition with 465+ students enrolled this year in preschool through 8th grade! If you are you looking for a school that combines rigorous academics, cutting-edge technology, and a faith-based education, this is the place to be!]( "Assumption School Photo - For 154 years, Assumption School has been a beacon of faith and learning in O'Fallon, and we are proud to continue that tradition with 465+ students enrolled this year in preschool through 8th grade! If you are you looking for a school that combines rigorous academics, cutting-edge technology, and a faith-based education, this is the place to be!")
(Catholic)
203 W 3rd St
O Fallon, MO 63366
(636) 240-4474
O Fallon, MO 63366
(636) 240-4474
Gr: PK-8 | 431 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 9 Tuition & acceptance rate listed
Child Of God Lutheran School![Child Of God Lutheran School Photo]( "Child Of God Lutheran School Photo")
(Lutheran Church Missouri Synod)
650 Salt Lick Rd
Saint Peters, MO 63376
(636) 970-7080
Saint Peters, MO 63376
(636) 970-7080
Gr: NS-8 | 300 students Avg. class size: 18 students Sports: 7 | Extracurrculars: 5 Tuition & acceptance rate listed
Christian School District![Christian School District Photo]( "Christian School District Photo")
(Christian)
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
O Fallon, MO 63366
(636) 978-1680
Gr: PK-12 | 546 students Avg. class size: 15 students Sports: 15 Tuition & acceptance rate listed
8750 Veterans Memorial Pkwy
O Fallon, MO 63366
(636) 272-3220
O Fallon, MO 63366
(636) 272-3220
Gr: PK-6 | 277 students Avg. class size: 13 students Tuition & acceptance rate listed
Immaculate Conception School![Immaculate Conception School Photo - Our School Front]( "Immaculate Conception School Photo - Our School Front")
(Catholic)
2089 Hanley Road
O Fallon, MO 63368
(636) 561-4450
O Fallon, MO 63368
(636) 561-4450
Gr: PK-8 | 877 students Sports: 4 | Extracurrculars: 16 Tuition listed
Immanuel Lutheran School
(Lutheran Church Missouri Synod)
115 S 6th St
Saint Charles, MO 63301
(636) 946-0051
Saint Charles, MO 63301
(636) 946-0051
Gr: PK-8 | 535 students
1610 Willott Rd.
Saint Charles, MO 63376
(636) 447-5100
Saint Charles, MO 63376
(636) 447-5100
Gr: 1-12 Avg. class size: 8 students
5911 MO-94
Saint Charles, MO 63304
(636) 329-1096
Saint Charles, MO 63304
(636) 329-1096
Gr: NS-8 | 347 students Avg. class size: 19 students Sports: 6 | Extracurrculars: 9 Tuition & acceptance rate listed
OakHaven Montessori School![OakHaven Montessori School Photo]( "OakHaven Montessori School Photo")
Montessori School
7267 Highway N
O Fallon, MO 63368
(636) 978-4440
O Fallon, MO 63368
(636) 978-4440
Gr: PK-6 | 94 students Avg. class size: 25 students Sports: 3 | Extracurrculars: 6 Tuition listed
St. Charles Christian Home Educators
Special Program Emphasis (Christian)
709 Crestview Drive
O Fallon, MO 63366
(636) 240-4412
O Fallon, MO 63366
(636) 240-4412
Gr: K-12 | 388 students Avg. class size: 7 students Extracurrculars: 2 Tuition listed
St. Joseph School![St. Joseph School Photo]( "St. Joseph School Photo")
(Catholic)
1351 Motherhead Rd
Saint Charles, MO 63304
(636) 441-0055
Saint Charles, MO 63304
(636) 441-0055
Gr: PK-8 | 991 students Sports: 8 | Extracurrculars: 4
St. Patrick School
(Catholic)
701 S Church St
Wentzville, MO 63385
(636) 332-9913
Wentzville, MO 63385
(636) 332-9913
Gr: PK-8 | 467 students Avg. class size: 20 students Tuition & acceptance rate listed
5059 Highway P
Wentzville, MO 63385
(636) 639-1385
Wentzville, MO 63385
(636) 639-1385
Gr: PK-8 | 297 students Avg. class size: 19 students Extracurrculars: 6 Tuition listed
Veritas Christian Academy![Veritas Christian Academy Photo]( "Veritas Christian Academy Photo")
(Christian)
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
O Fallon, MO 63366
(636) 978-1680
Gr: NS-12 | 664 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 15 Tuition & acceptance rate listed
Zion Lutheran School
(Lutheran Church Missouri Synod)
3866 S Old Highway 94
Saint Charles, MO 63304
(636) 441-7424
Saint Charles, MO 63304
(636) 441-7424
Gr: PK-8 | 557 students
1701 Feise Road
Saint Charles, MO 63301
(636) 561-7709
Saint Charles, MO 63301
(636) 561-7709
Gr: K-6 | 134 students Avg. class size: 12 students Tuition listed
Church On The Rock Christian
(Christian)
900 Birdie Hills Rd
Saint Peters, MO 63376
(636) 240-7775
Saint Peters, MO 63376
(636) 240-7775
Gr: PK-12 | 138 students
Mid Rivers SDA School
(Seventh Day Adventist)
600 Salt Lick Rd
Saint Peters, MO 63376
(636) 397-8294
Saint Peters, MO 63376
(636) 397-8294
Gr: 3-8 | 7 students
St. Charles Borromeo School
(Catholic)
431 Decatur St
Saint Charles, MO 63301
(636) 946-2713
Saint Charles, MO 63301
(636) 946-2713
Gr: K-8 | 198 students Avg. class size: 22 students Tuition & acceptance rate listed
St. Cletus School
(Catholic)
2721 Zumbehl Rd
Saint Charles, MO 63301
(314) 640-9556
Saint Charles, MO 63301
(314) 640-9556
Gr: PK-8 | 209 students Avg. class size: 19 students Sports: 4 | Extracurrculars: 1 Tuition & acceptance rate listed
St. Joseph School-josephville
(Catholic)
1410 Josephville Rd
Wentzville, MO 63385
(636) 332-5672
Wentzville, MO 63385
(636) 332-5672
Gr: PK-8 | 121 students Tuition listed
St. Paul Continuation School![St. Paul Continuation School Photo]( "St. Paul Continuation School Photo")
(Catholic)
1235 Church Rd
O Fallon, MO 63366
(636) 978-1900
O Fallon, MO 63366
(636) 978-1900
Gr: PK-8 | 270 students Avg. class size: 15 students
Seton Regional Catholic School
(Catholic)
#1 Seton Court
Saint Charles, MO 63303
(636) 946-6716
Saint Charles, MO 63303
(636) 946-6716
Gr: K-8 | 255 students Avg. class size: 22 students Tuition & acceptance rate listed
4110 Mcclay Rd
Saint Charles, MO 63304
(636) 441-4835
Saint Charles, MO 63304
(636) 441-4835
Gr: PK-8 | 273 students Tuition & acceptance rate listed
Trinity Lutheran School
(Lutheran Church Missouri Synod)
4689 N Highway 94
Saint Charles, MO 63301
(636) 250-3654
Saint Charles, MO 63301
(636) 250-3654
Gr: K-8 | 41 students
Frequently Asked Questions
What are the top ranked private elementary schools in St. Charles County, MO?
The top ranked private elementary schools in St. Charles County, MO include Immanuel Lutheran School-Wentzville, Assumption School, and First Baptist Christian Academy.
How many private elementary schools are located in St. Charles County?
29 private elementary schools are located in St. Charles County.
How much do private elementary schools cost in St. Charles County?
The average tuition cost is $9,894, which is lower than the Missouri private school average tuition cost of $12,499.
How diverse are private elementary schools in St. Charles County?
St. Charles County private elementary schools are approximately 8% minority students, which is lower than the Missouri private school average of 20%.
What percentage of private elementary schools are religiously affiliated in St. Charles County?
87% of private elementary schools in St. Charles County are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Which private elementary schools in St. Charles County are often viewed compared to one another?
Popular comparisons of private elementary schools in St. Charles County include: Mid Rivers SDA School vs. The Lead School, St. Theodore School vs. St. Patrick School, Zion Lutheran School vs. Messiah Lutheran School
Recent Articles
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.
