Home > Missouri > Schools By Membership Association

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 12,750 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 Thomas Jefferson Independent Day School.

The average tuition cost is $24,126, which is higher than the Missouri private school average tuition cost of $13,034.

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

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

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!

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.

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.

Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)

Notre Dame de Sion High School Photo - Centered around a shared mission, Notre Dame de Sion School aims to prepare students for socially responsible, values-based leadership in a culturally and religiously diverse world. Both our Grade School and High School Campuses embrace an "Implicit Curriculum" and an "Explicit Curriculum" rooted in the Charism of the Congregation of the Sisters of Notre Dame de Sion.

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.

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.

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.

Thomas Jefferson Independent Day School Photo - Come visit us to experience the TJ way!

Recent Articles

June 09, 2025

Is It Easier to Land a Private School Job When You're Already Employed?

Is it easier to land a private school job when you're already employed? This article breaks down employer biases, networking advantages, and negotiation leverage—plus the latest hiring trends in independent schools. If you’re considering a move, here’s how to maximize your position.

June 09, 2025

How to Secure a Private School Job When You're Unemployed Without the Stigma

Finding a private school job while unemployed can be tough, but it doesn't have to hold you back. This article breaks down networking strategies, ways to stand out, and smart approaches to keep your confidence strong. Learn how to turn setbacks into strengths and secure the right opportunity—without the stigma.

June 09, 2025

The Private School Job Hunt: Insider Tips for Employed & Unemployed Educators

Navigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.