Andrews Academy Lake Saint Louis (2026 Profile)

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About the School

Andrews Academy is founded upon progressive educational principles that demonstrate a respect for the individual child's development, provide a thorough grounding in the basic learning tools, and nurture independent thought.
In effect, our objective is to encourage maximum intellectual, physical, social, and emotional development of each child on a personalized basis.
We welcome each child as a unique individual and strive to foster self-confidence, self-discipline, independent initiative for learning, consideration for others, and accountability for one's own action.
In promoting a quality program based on our guiding principles, we expect students to then reach their potential to attain success in a pluralistic society.

Quick Facts (2026)

Grades: Kindergarten-6
Enrollment: 134 students
Yearly Tuition: $11,250
Average class size: 12 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

Andrews Academy Lake Saint Louis ranks among the top 20% of private schools in Missouri for:

School Facts

School Membership(s)School Assoc.

Association Montessori Internationale (AMI)
New Jersey Association of Independent Schools

Grades Offered

Grades Kindergarten-6

Students By Grade

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Distribution of Students By Grade
Grade	Andrews Academy Lake Saint Louis
Kind	22
1	26
2	23
3	20
4	20
5	18
6	5

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Year Founded

2008

Student Body

Total Students

134 students

Student Body Type

Co-ed

% Students of Color

59%

State avg.: 21%

Academics & Faculty

Total Classroom Teachers

19 teachers

Student-Teacher Ratio

7:1

National avg.: 11:1

% Faculty w/Advanced Degree

50%

Average Class Size

12 students

Classroom Dress Code

Casual

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$11,250

View national tuition avg.

Admissions Director

Rob Ciampoli

Admissions Associate

Kim Rybak

Application URL

Online Application

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Frequently Asked Questions

How much does Andrews Academy Lake Saint Louis cost?

Andrews Academy Lake Saint Louis's tuition is approximately $11,250 for private students.

When is the application deadline for Andrews Academy Lake Saint Louis?

The application deadline for Andrews Academy Lake Saint Louis is rolling (applications are reviewed as they are received year-round).

School Reviews

5 10/11/2025

My son goes to Andrews and loves it. They have small class sizes and fantastic teachers. It is very challenging but awesome to see him grow and learn to reach his potential. They get to be outside a ton too which is great. Also, this website is inaccurate. Tuition is $17k a year and goes through 8th grade.

- Posted by Parent - courtney

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Did You Know?

The average private school tuition in Saint Charles, MO is $8,111 for elementary schools (read more about average private school tuition across the country).

The average acceptance rate in Saint Charles, MO is 94% (read more about average acceptance rates across the country).

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Andrews Academy Lake Saint Louis

About the School

School Rankings

School Facts

Distribution of Students By Grade

Student Body

Academics & Faculty

Tuition & Acceptance Rate

Frequently Asked Questions

School Reviews

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