Home > Ohio > Schools By Membership Association

Best Ohio Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025-26)

For the 2025-26 school year, there are 25 private high schools belonging to National Association of Independent Schools (NAIS) serving 12,519 students in Ohio. You can also find more schools membership associations in Ohio.

The private high schools belonging to National Association of Independent Schools (NAIS) in Ohio include University School, Hathaway Brown School, and Cincinnati Country Day School.

The average tuition cost is $31,057, which is higher than the Ohio private high school average tuition cost of $13,284.

16% of private high schools belonging to National Association of Independent Schools (NAIS) in Ohio are religiously affiliated (most commonly Catholic and Christian).

Marburn Academy Photo - A Lower Division student works on a project in the common area.

Cincinnati Country Day School Photo - Located away from major thoroughfares, traffic jams, and crowded buildings, sits the crown jewel of educational settings in the Midwest: the pastoral 60-acre Country Day campus.

University School Photo - University School Upper Campus

The Wellington School Photo - Senior Run 2025, The Wellington School, Columbus, Ohio

Cincinnati Hills Christian Academy Photo

The Columbus Academy Photo - Plays, musicals, cabaret skits, improvisation-Columbus Academy students get many opportunities to shine in the spotlight and back stage. Performance is not an extra-curricular activity at Academy but an essential part of a student`s personal and academic growth, teaching accountability and instilling confidence in their talents.

Hawken School Photo - Stirn Hall, Gates Mills Campus

The Miami Valley School Photo - Founded in 1964, The Miami Valley School is the Dayton area's premier Pre-K through 12th grade school, ranking #1 in the Dayton area for Private High School, Overall High School, STEM Programs, Best Teachers, and College Preparation.

Western Reserve Academy Photo - WRA exists to mold young people into the very best versions of themselves; coach them into finding their voices; create magic; and spread love, joy and generosity.

The Summit Country Day School Photo - Founded in 1890, The Summit maintains a beautiful 24-acre campus and a 16-acre Athletic Complex located 10 minutes north on I-71. Ten local school districts provide bussing to the school. The Summit maintains a bus to the northern communities of Mason and West Chester.

Lawrence School Photo - Families travel from all over Northeast Ohio to join a K-12 school community where learning differences are both understood and embraced. We know great minds don't think alike!

Andrews Osborne Academy Photo - Our beautiful 300 acre campus is just 25 minutes from downtown Cleveland, Ohio.

Maumee Valley Country Day School Photo - Maumee Valley is more than a school and more than a group of people -- it is a community of learners, a way of life; it is the way we engage with the world. A Maumee Valley education is a personal journey of discovery and of action.

Laurel School Photo - Laurel School's Lyman Campus in Shaker Heights, Ohio

Welsh Hills School Photo - ISAACS-Accredited and Montessori-inspired programs ages 18 months - grade 12 School-year, year-round, morning, & full-day preschool programs Small, multi-age classes Proiect-based learning Robotics, Spanish, music, art, drama & physical education Before & aftercare Outdoor education Award-winning robotics & global education programs EdChoice Expansion Provider Summer Camp Organic gardening on 11-acre campus.

Recent Articles

September 03, 2025

Transferring from Public to Private School Mid-Year: What to Expect

Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

September 03, 2025

A Guide to Day vs. Boarding School: Which Is Right for Your Family

Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.