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Best Texas Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 51 private high schools belonging to National Association of Independent Schools (NAIS) serving 31,497 students in Texas. You can also find more schools membership associations in Texas.

The private high schools belonging to National Association of Independent Schools (NAIS) in Texas include St. Agnes Academy College Preparatory, Saint Mary's Hall, and St. Stephen's Episcopal School.

The average tuition cost is $26,548, which is higher than the Texas private high school average tuition cost of $14,381.

49% of private high schools belonging to National Association of Independent Schools (NAIS) in Texas are religiously affiliated (most commonly Episcopal and Catholic).

Memorial Private School (6th - 12th) Photo - Ease Up on Yourself. Find Your Genius! Leading the way in research-based learning, Memorial Private School works alongside some of the best universities and companies in the country. This unique approach helps students develop a growth-mindset as they prepare for college and life.

E.A. Young Academy Photo - E.A. Young Academy is a K-12, not-for-profit private academy dedicated to gifted, talented and high ability scholars. We are passionate about serving the needs of gifted students by providing a creative, challenging and unique learning environment.

Fort Worth Country Day Photo - Fine arts performance opportunities are plentiful at Fort Worth Country Day. The Theatre program includes Musical Theatre, Technical Theatre, Acting and Playwriting.

St. Francis Episcopal School Photo - St. Francis Episcopal School Piney Point Village Campus

The Post Oak School Photo - Middle School (D.C. trip)

St. Agnes Academy College Preparatory Photo - Come visit our new Science and Technology building!

The Oakridge School Photo - The Oakridge School's wonderful traditions include its "Walk to the Future." Graduating seniors form an arch for kindergarteners to walk beneath, warmly welcoming the Early Childhood Center (ECC) learners to the "big school."

St. Stephen's Episcopal School Photo - The St. Stephen's Chapel at sunset

Selwyn School Photo - Selwyn School provides the most thoroughly individualized, comprehensive and developmentally appropriate array of student-focused experiences in North Texas. Our students grow into independent thinkers and creative problem solvers who are highly resilient, emotionally intelligent leaders prepared for effective citizenship in a global society

Regents School Of Austin Photo - The K-12 Regents Campus is situated on 82 acres.

The Awty International School Photo - Awty's Parade of Nations is a joyful celebration of our diverse, international community. Students proudly represent over 60 countries, wearing traditional dress and carrying flags from around the world. This cherished tradition highlights Awty's global spirit, fosters cultural pride, and brings our community together in a colorful display of unity and belonging.

Keystone School Photo - Keystone School Upper School Students

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