Christian School District Photo

Best St. Charles County Private High Schools (2026)

For the 2026 school year, there are 8 private high schools serving 3,362 students in St. Charles County, MO.
The top-ranked private high schools in St. Charles County, MO include Duchesne High School, Lutheran High School Of St. Charles County, and St. Charles Christian Home Educators.
The average acceptance rate is 97%, which is higher than the Missouri private high school average acceptance rate of 85%.
89% of private high schools in St. Charles County, MO are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked St. Charles County Private High Schools (2026)

School
Location
Quick Facts
Christian School District
Christian School District Photo
(Christian)
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
Gr: PK-12 | 546 students Avg. class size: 15 students Sports: 15 Tuition & acceptance rate listed
Duchesne High School
Duchesne High School Photo
(Catholic)
(9)
2550 Elm Street
Saint Charles, MO 63301
(636) 946-6767
Gr: 9-12 | 248 students Avg. class size: 13 students Sports: 14 | Extracurrculars: 19 Tuition & acceptance rate listed
The Lead School
Alternative School
(1)
1610 Willott Rd.
Saint Charles, MO 63376
(636) 447-5100
Gr: 1-12 Avg. class size: 8 students
Lutheran High School Of St. Charles County
(Lutheran Church Missouri Synod)
5100 Mexico Rd
Saint Peters, MO 63376
(636) 928-5100
Gr: 9-12 | 439 students Avg. class size: 15 students Sports: 15 | Extracurrculars: 1 Acceptance rate listed
St. Charles Christian Home Educators
Special Program Emphasis (Christian)
709 Crestview Drive
O Fallon, MO 63366
(636) 240-4412
Gr: K-12 | 388 students Avg. class size: 7 students Extracurrculars: 2 Tuition listed
St. Dominic High School
(Catholic)
31 Saint Dominic Dr
O Fallon, MO 63366
(636) 240-8303
Gr: 9-12 | 927 students Avg. class size: 24 students Sports: 14 | Extracurrculars: 6 Tuition & acceptance rate listed
Veritas Christian Academy
Veritas Christian Academy Photo
(Christian)
1145 Tom Ginnever Ave
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
Church On The Rock Christian
(Christian)
900 Birdie Hills Rd
Saint Peters, MO 63376
(636) 240-7775
Gr: PK-12 | 138 students

Overview

This County (St. Charles County)
This State (MO)
# Schools
9 Schools

Student Body:

# Students
3,362 Students
54,297 Students
% Average Students of Color
8%
22%

Academics and Faculty:

# Teachers
230 Teachers
5,124 Teachers
Average Student-Teacher Ratio
15:1
11:1
% Average Faculty w/Advanced Degree
59%
60%
Average Class Size
14 students
15 students
Average Number of AP Courses
13 courses
16 courses
Average ACT score
25
(Out of 36)
26

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$10,669
$14,821
Average % on Financial Aid
28%
38%
Average Financial Aid Grant
$1,115
$7,236
Average Acceptance Rate
97%
85%
Average Endowment Size
$50 million
$28.86 million

Students by Ethnicity:

0.45
0.54
# American Indian Students
28 Students
199 Students
% American Indian Students
1%
n/a
# Asian Students
27 Students
1,840 Students
% Asian Students
1%
4%
# Hispanic Students
42 Students
2,584 Students
% Hispanic Students
1%
5%
# Black Students
121 Students
3,859 Students
% Black Students
4%
8%
# White Students
2,163 Students
33,537 Students
% White Students
72%
65%
# Hawaiian Students
3 Students
91 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
642 Students
9,172 Students
% of Others Students
21%
18%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
9 extracurriculars
13 extracurriculars
Average Number of Sports
14 sports
9 sports

Frequently Asked Questions

What are the top-ranked private high schools in St. Charles County, MO?
The top-ranked private high schools in St. Charles County, MO include Duchesne High School, Lutheran High School Of St. Charles County, and St. Charles Christian Home Educators.
How many private high schools are located in St. Charles County?
8 private high schools are located in St. Charles County.
How diverse are private high schools in St. Charles County?
St. Charles County private high schools are approximately 8% minority students, which is lower than the Missouri private school average of 22%.
What percentage of private high schools are religiously affiliated in St. Charles County?
89% of private high schools in St. Charles County are religiously affiliated (most commonly Christian and Catholic).
Which private high schools in St. Charles County are often viewed compared to one another?

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