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Best Missouri Private Schools Belonging to National Catholic Educational Association (NCEA) (2025)

For the 2025 school year, there are 176 private schools belonging to National Catholic Educational Association (NCEA) serving 47,089 students in Missouri. You can also find more schools membership associations in Missouri.

The private schools belonging to National Catholic Educational Association (NCEA) in Missouri include Cor Jesu Academy, Assumption Parish School, and Assumption School.

The average tuition cost is $9,586, which is lower than the Missouri private school average tuition cost of $13,054.

100% of private schools belonging to National Catholic Educational Association (NCEA) in Missouri are religiously affiliated (most commonly Catholic).

St. Pius X High School Photo - St. Pius X students hope to see you soon!

St. Joseph Catholic Academy Photo - In addition to our strong core curriculum-featuring Religion, Language Arts, Math, Science, Social Studies, and Art-St. Joseph Catholic Academy offers a vibrant selection of enrichment opportunities designed to nurture every student's unique gifts and passions.Students can participate in Vocal Music, Honors Choir, Band, Physical Education, Technology, and Spanish. And for our 8th graders, we're proud to offer Apologetics, helping them

Immaculate Conception School Photo - Our School Front

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.

Assumption School Photo - For 154 years, Assumption School has been a beacon of faith and learning in O'Fallon, and we are proud to continue that tradition with 465+ students enrolled this year in preschool through 8th grade! If you are you looking for a school that combines rigorous academics, cutting-edge technology, and a faith-based education, this is the place to be!

All Saints School Photo - Grandparents and students celebrate together at Mass.

St. Louis University High School Photo - We challenge our students to think critically, lead courageously and transform the world as Men for Others.

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