Westminster Christian Academy Photo

Best Chesterfield Private Schools (2026)

For the 2026 school year, there are 12 private schools serving 2,480 students in Chesterfield, MO (there are 12 public schools, serving 8,888 public students). 22% of all K-12 students in Chesterfield, MO are educated in private schools (compared to the MO state average of 12%).
The top-ranked private schools in Chesterfield, MO include Westminster Christian Academy, Chesterfield Montessori School, and Ascension School.
The average acceptance rate is 84%, which is lower than the Missouri private school average acceptance rate of 86%.
50% of private schools in Chesterfield, MO are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked Chesterfield Private Schools (2026)

School
Location
Quick Facts
Ascension School
Ascension School Photo
(Catholic)
238 Santa Maria Dr
Chesterfield, MO 63005
(636) 532-1151
Gr: K-8 | 478 students Avg. class size: 21 students Sports: 5 | Extracurrculars: 2 Tuition listed
Chesterfield Day School
Chesterfield Day School Photo - CDS students experience and solve real-world problems and then present their findings to authentic and meaningful audiences.
Montessori School
(6)
1100 White Road
Chesterfield, MO 63017
(314) 469-9622
Gr: K-5 | 62 students Avg. class size: 8 students Sports: 10 | Extracurrculars: 6 Tuition & acceptance rate listed
Chesterfield Montessori School
Chesterfield Montessori School Photo - Exterior
Montessori School
(7)
14000 Ladue Road
Chesterfield, MO 63017
(314) 469-7150
Gr: NS-8 Avg. class size: 24 students Extracurrculars: 11 Tuition & acceptance rate listed
Incarnate Word Parish School
(Catholic)
13416 Olive Blvd
Chesterfield, MO 63017
(314) 576-5366
Gr: K-8 | 359 students Avg. class size: 22 students
Westminster Christian Academy
Westminster Christian Academy Photo
(Christian)
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Gr: 7-12 | 970 students Avg. class size: 16 students Sports: 20 | Extracurrculars: 25 Tuition & acceptance rate listed
Chesterfield KinderCare
Daycare / Preschool
2275 Village Green Pkwy
Chesterfield, MO 63017
(636) 227-5074
Gr: NS-PK
EYC Academy
EYC Academy Photo
Alternative School
13718 Olive Blvd.
Chesterfield, MO 63017
(636) 220-3344
Gr: 6-12 | 39 students Avg. class size: 10 students Extracurrculars: 5 Tuition & acceptance rate listed
The Fulton School
The Fulton School Photo - Our Montessori classrooms give students a one-of-a-kind, hands-on experience.
Montessori School
(12)
1100 White Road
Chesterfield, MO 63017
(314) 469-6622
Gr: NS-12 | 127 students Avg. class size: 10 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate listed
The Goddard School
The Goddard School Photo
Daycare / Preschool
1633 Kehrs Mill Road
Chesterfield, MO 63005
(636) 519-0808
Gr: PK-K | 179 students
Missouri Torah Institute
All-boys | Special Program Emphasis (Jewish)
1809 Clarkson Rd
Chesterfield, MO 63017
(636) 778-1896
Gr: 9-12 | 72 students
Promise Christian Academy
Promise Christian Academy Photo - We embrace differences.Pictures by Illumen Photography
Special Education School (Presbyterian)
13250 S Outer 40 Rd
Chesterfield, MO 63017
(636) 449-0647
Gr: Inquire with school | 39 students Avg. class size: 6 students Extracurrculars: 1 Tuition listed
St. Austin School
(Catholic)
Po Box 6906
Chesterfield, MO 63006
(314) 580-2802
Gr: PK-8 | 155 students
[+] Show Closed Private Schools in Chesterfield, Missouri

Chesterfield, Missouri Private Schools (Closed)

School
Location
Quick Facts
17815 Wild Horse Creek Rd
Chesterfield, MO 63005
(636) 300-5555
Gr: 6-12 | 100 students
16601 Wild Horse Creek Rd
Chesterfield, MO 63005
(636) 519-8222
Gr: PK-7 | 26 students

Overview

This Town (Chesterfield)
This State (MO)
# Schools
12 Schools

Student Body:

# Students
2,480 Students
120,038 Students
% Average Students of Color
15%
20%

Academics and Faculty:

# Teachers
243 Teachers
9,947 Teachers
Average Student-Teacher Ratio
11:1
12:1
% Average Faculty w/Advanced Degree
71%
56%
Average Class Size
15 students
16 students
Average Number of AP Courses
21 courses
15 courses
Average SAT score
1247
(Out of 1600)
1291
Average ACT score
26
(Out of 36)
26

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$19,096
$12,778
Average % on Financial Aid
34%
36%
Average Acceptance Rate
84%
86%

Students by Ethnicity:

0.45
0.55
# American Indian Students
8 Students
284 Students
% American Indian Students
n/a
n/a
# Asian Students
87 Students
3,152 Students
% Asian Students
4%
3%
# Hispanic Students
47 Students
5,342 Students
% Hispanic Students
2%
5%
# Black Students
135 Students
7,611 Students
% Black Students
5%
7%
# White Students
1,844 Students
73,272 Students
% White Students
72%
62%
# Hawaiian Students
4 Students
218 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
439 Students
27,448 Students
% of Others Students
17%
23%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
8 extracurriculars
9 extracurriculars
Average Number of Sports
10 sports
7 sports

Frequently Asked Questions

What are the top-ranked private schools in Chesterfield, MO?
The top-ranked private schools in Chesterfield, MO include Westminster Christian Academy, Chesterfield Montessori School, and Ascension School.
How many private schools are located in Chesterfield?
12 private schools are located in Chesterfield.
How diverse are private schools in Chesterfield?
Chesterfield private schools are approximately 15% minority students, which is lower than the Missouri private school average of 20%.
What percentage of students in Chesterfield go to private school?
22% of all K-12 students in Chesterfield are educated in private schools (compared to the MO state average of 12%).
What percentage of private schools are religiously affiliated in Chesterfield?
50% of private schools in Chesterfield are religiously affiliated (most commonly Catholic and Christian).

Recent Articles

Financial Aid 101 for Private School Families 2026
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.