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Top 20 Best Missouri Private Schools Belonging to Independent Schools Association of the Central States (ISACS) (2025)

For the 2025 school year, there are 36 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 12,798 students in Missouri. You can also find more schools membership associations in Missouri.

The private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri include Chaminade College Prep School, MICDS (Mary Institute and St. Louis Country Day School), and Mary Institute & St. Louis Country Day School.

The average tuition cost is $23,380, which is higher than the Missouri private school average tuition cost of $11,202.

31% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri are religiously affiliated (most commonly Catholic and Episcopal).

Saul Mirowitz Jewish Community School Photo - Sneak a Peek at Mirowitz

Missouri Military Academy Photo - Missouri Military Academy develops cadets who are of sound moral character, who have self-disciplined to strive for and achieve their goals and who are academically prepared to attend college.

Churchill Center & School Photo - Churchill Center & School, a nationally-recognized independent school for dyslexia and other language-based learning disabilities, embodies their mission to give high potential children with learning disabilities the finest, individualized education and support they need to achieve success and return to a traditional classroom. Churchill provides research-based reading, writing and spelling instruction for students who are struggling with more traditional methods.

Chesterfield Day School Photo - CDS students experience and solve real-world problems and then present their findings to authentic and meaningful audiences.

St. Paul's Episcopal Day School Photo - St. Paul's encourages social-emotional growth, character development, and leadership in all of our students as we provide one of the top academic educations in Kansas City.

Columbia Independent School Photo - Columbia Independent School is a JK-12th grade college preparatory school with enrollment of almost 400 students. We look forward to having your child become a CIS Lion!

Chesterfield Montessori School Photo - Exterior

The Fulton School Photo - The Fulton School offers high school athletics (MAC Conference), including volleyball, cross country, basketball, track, and golf.

MICDS (Mary Institute and St. Louis Country Day School) Photo - Our Pre-K through 12th grade school offers numerous unique educational opportunities, resources, and a strong sense of community that only a Pre-K - 12th grade school can provide.

The Wilson School Photo - Since 1913, The Wilson School has excelled in reaching every student. Children thrive in deliberately small classes, with two full-time teachers in every grade. Wilson`s size, community, and innovation mean we can offer an excellent education, no matter the circumstances.

The St. Michael School Of Clayton Photo - The St. Michael School of Clayton supports each child in developing character,independence, strong academic skills and intellectual curiosity, which will result in a thinker who listens, an inquirer who negotiates, an inventor who collaborates, and an individual who believes in him or herself.

Chaminade College Prep School Photo - 2015 Senior House Captains

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