For the 2025 school year, there are 44 private schools serving 11,405 students in St. Charles County, MO (there are 93 public schools, serving 59,626 public students). 16% of all K-12 students in St.
Charles County, MO are educated in private schools (compared to the MO state average of 12%).
The top ranked private schools in St. Charles County, MO include Immanuel Lutheran School-Wentzville, Assumption School, and First Baptist Christian Academy.
The average tuition cost is $8,103, which is lower than the Missouri private school average tuition cost of $11,339.
67% of private schools in St. Charles County, MO are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Top Ranked St. Charles County Private Schools (2025)
School
Location
Grades
Students
632 E Hwy N
Wentzville, MO 63385
(636) 639-9887
Wentzville, MO 63385
(636) 639-9887
Grades: NS-8
| 548 students
619 N 2nd St
Saint Charles, MO 63301
(636) 946-6127
Saint Charles, MO 63301
(636) 946-6127
Grades: K-8
| 195 students
5 Mcmenamy Rd
Saint Peters, MO 63376
(636) 397-1440
Saint Peters, MO 63376
(636) 397-1440
Grades: PK-8
| 210 students
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
Grades: NS-8
| 300 students
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
Grades: PK-12
| 546 students
2550 Elm Street
Saint Charles, MO 63301
(636) 946-6767
Saint Charles, MO 63301
(636) 946-6767
Grades: 9-12
| 248 students
8750 Veterans Memorial Pkwy
O Fallon, MO 63366
(636) 272-3220
O Fallon, MO 63366
(636) 272-3220
Grades: PK-6
| 277 students
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
Grades: PK-8
| 877 students
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
Grades: PK-8
| 535 students
1610 Willott Rd.
Saint Charles, MO 63376
(636) 447-5100
Saint Charles, MO 63376
(636) 447-5100
Grades: 1-12
| n/a students
Lutheran High School Of St. Charles County
(Lutheran Church Missouri Synod)
5100 Mexico Rd
Saint Peters, MO 63376
(636) 928-5100
Saint Peters, MO 63376
(636) 928-5100
Grades: 9-12
| 439 students
5911 MO-94
Saint Charles, MO 63304
(636) 329-1096
Saint Charles, MO 63304
(636) 329-1096
Grades: NS-8
| 347 students
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
Grades: PK-6
| 83 students
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
Grades: K-12
| 388 students
St. Dominic High School
(Catholic)
31 Saint Dominic Dr
O Fallon, MO 63366
(636) 240-8303
O Fallon, MO 63366
(636) 240-8303
Grades: 9-12
| 927 students
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
Grades: PK-8
| 991 students
St. Patrick School
(Catholic)
701 S Church St
Wentzville, MO 63385
(636) 332-9913
Wentzville, MO 63385
(636) 332-9913
Grades: PK-8
| 467 students
5059 Highway P
Wentzville, MO 63385
(636) 639-1385
Wentzville, MO 63385
(636) 639-1385
Grades: PK-8
| 297 students
4110 Mcclay Rd
Saint Charles, MO 63304
(636) 441-4835
Saint Charles, MO 63304
(636) 441-4835
Grades: PK-8
| 273 students
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
Grades: NS-12
| 664 students
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
Grades: PK-8
| 557 students
1701 Feise Road
Saint Charles, MO 63301
(636) 561-7709
Saint Charles, MO 63301
(636) 561-7709
Grades: K-6
| 134 students
Childrens Edu-care Center Inc.
Montessori School
100 Vantage Drive
Saint Peters, MO 63376
(636) 397-4090
Saint Peters, MO 63376
(636) 397-4090
Grades: PK-K
| 18 students
Church On The Rock Christian
(Christian)
900 Birdie Hills Rd
Saint Peters, MO 63376
(636) 240-7775
Saint Peters, MO 63376
(636) 240-7775
Grades: PK-12
| 138 students
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
700 Old Salt Lick Road
Saint Peters, MO 63376
(636) 397-0399
Saint Peters, MO 63376
(636) 397-0399
Grades: NS
| 130 students
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
1513 Wentzville Parkway
Wentzville, MO 63385
(636) 327-5991
Wentzville, MO 63385
(636) 327-5991
Grades: NS-PK
| n/a students
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
9008 Phoenix Parkway
O Fallon, MO 63368
(636) 561-8559
O Fallon, MO 63368
(636) 561-8559
Grades: PK-K
| 44 students
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
1402 Gettysburg Landing Road
Saint Charles, MO 63303
(636) 441-9037
Saint Charles, MO 63303
(636) 441-9037
Grades: NS-K
| n/a students
Guidepost Montessori at O'Fallon
Montessori School
2688 State Hwy K
O Fallon, MO 63368
(773) 938-6002
O Fallon, MO 63368
(773) 938-6002
Grades: NS-K
| n/a students
Hope Montessori Academy - Lake St. Louis
Montessori School
1799 Lake Saint Louis Blvd
Lake Saint Louis, MO 63367
(636) 561-2811
Lake Saint Louis, MO 63367
(636) 561-2811
Grades: K
| 7 students
Kid's Academy
Daycare / Preschool
7767 Highway N
O Fallon, MO 63366
(636) 561-8697
O Fallon, MO 63366
(636) 561-8697
Grades: 5-8
| n/a students
Linc Family Learning Center
Daycare / Preschool (Christian)
9 Love Park Ln
Wentzville, MO 63385
(636) 332-5127
Wentzville, MO 63385
(636) 332-5127
Grades: K
| 7 students
Little Guppy Child Dev Center
Daycare / Preschool
3151 Elm Pointe Industrial Dr
Saint Charles, MO 63301
(636) 916-4280
Saint Charles, MO 63301
(636) 916-4280
Grades: NS-PK
| 164 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
Grades: 3-8
| 7 students
Show 9 more private schools in St. Charles County, MO (out of 44 total schools)
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Frequently Asked Questions
What are the top ranked private schools in St. Charles County, MO?
The top ranked private schools in St. Charles County, MO include Immanuel Lutheran School-Wentzville, Assumption School, and First Baptist Christian Academy.
How many private schools are located in St. Charles County?
44 private schools are located in St. Charles County.
How much do private schools cost in St. Charles County?
The average tuition cost is $8,103, which is lower than the Missouri private school average tuition cost of $11,339.
How diverse are private schools in St. Charles County?
St. Charles County private schools are approximately 8% minority students, which is lower than the Missouri private school average of 21%.
What percentage of students in St. Charles County go to private school?
16% of all K-12 students in St. Charles County are educated in private schools (compared to the MO state average of 12%).
What percentage of private schools are religiously affiliated in St. Charles County?
67% of private schools in St. Charles County are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Which private schools in St. Charles County are often viewed compared to one another?
Popular comparisons of private schools in St. Charles County include: Duchesne High School vs. St. Dominic High School, St. Dominic High School vs. Duchesne High School, St. Theodore School vs. St. Patrick School
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