Private School Review - Established 2003
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.
Maumee Valley Country Day School

Best Ohio Private High Schools Belonging to National Association of Independent Schools (NAIS) (2026)

For the 2026 school year, there are 25 private high schools belonging to National Association of Independent Schools (NAIS) serving 12,517 students in Ohio. You can also find more schools membership associations in Ohio.
The top-ranked private high schools belonging to National Association of Independent Schools (NAIS) in Ohio include Hathaway Brown School, The Columbus Academy, and Hawken School.
The average tuition cost is $31,953, which is higher than the Ohio private high school average tuition cost of $13,232.
16% of private high schools belonging to National Association of Independent Schools (NAIS) in Ohio are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Ohio (2026)

School
Location
Quick Facts
Cincinnati Country Day School
Cincinnati Country Day School Photo - We are a coeducational, college preparatory, private school in Indian Hill, Ohio serving students from 18 months to 18 years.
(5)
6905 Given Road
Cincinnati, OH 45243
(513) 979-0220
Gr: NS-12 | 854 students Avg. class size: 15 students Sports: 16 Tuition & acceptance rate listed
Columbus School For Girls
Columbus School For Girls Photo
All-girls
(2)
65 S. Drexel. Ave.
Columbus, OH 43209
(614) 252-0781
Gr: NS-12 Avg. class size: 13 students Sports: 12 | Extracurrculars: 26 Tuition & acceptance rate listed
Marburn Academy
Marburn Academy Photo - A Lower Division student works on a project in the common area.
Special Education School
9555 Johnstown Road
New Albany, OH 43054
(614) 433-0822
Gr: 1-12 | 175 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 7 Tuition & acceptance rate listed
University School
University School Photo - University School Upper Campus
All-boys
2785 SOM Center Road
Chagrin Falls, OH 44022
(216) 831-2200
Gr: PK-12 | 824 students Avg. class size: 14 students Sports: 14 Tuition & acceptance rate listed
Andrews Osborne Academy
Andrews Osborne Academy Photo - A newly renovated Student Union and Cafe serve our students needs.
(1)
38588 Mentor Ave
Willoughby, OH 44094
(440) 942-3600
Gr: PK-12 | 336 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 33 Tuition & acceptance rate listed
Cincinnati Hills Christian Academy
Cincinnati Hills Christian Academy Photo
(Christian)
(5)
8283 East Kemper Road
Cincinnati, OH 45249
(513) 247-0900
Gr: PK-12 | 1,115 student Avg. class size: 16 students Sports: 18 | Extracurrculars: 3 Tuition & acceptance rate listed
The Columbus Academy
The Columbus Academy Photo - Between the ages of one and six, the greatest cognitive growth occurs through social interaction. In the "responsive classrooms" in the Lower School of Columbus Academy, social and emotional learning are as important as the academic curriculum. Children in our classrooms feel a sense of belonging, that they are significant and that it is safe to take risks.
4300 Cherry Bottom Road
Columbus, OH 43230
(614) 509-2220
Gr: NS-12 Avg. class size: 16 students Sports: 16 Tuition & acceptance rate listed
Gilmour Academy
(Catholic)
(1)
34001 Cedar Rd
Gates Mills, OH 44040
(440) 473-8065
Gr: PK-12 | 720 students Avg. class size: 15 students Sports: 18 Tuition & acceptance rate listed
Grand River Academy
Grand River Academy Photo - Students on campus.
All-boys
3042 College Street
Austinburg, OH 44010
(440) 275-2811
Gr: 8-12 | 99 students Avg. class size: 8 students Sports: 13 | Extracurrculars: 5 Tuition & acceptance rate listed
Hathaway Brown School
Hathaway Brown School Photo
All-girls
(2)
19600 North Park Blvd
Beachwood, OH 44122
(216) 320-8767
Gr: NS-12 | 840 students Avg. class size: 8 students Sports: 19 | Extracurrculars: 20 Acceptance rate listed
Hawken School
Hawken School Photo - Members of the class of 2018
5000 Clubside Rd and 12465 County Line Rd.
Cleveland, OH 44124
(440) 423-4446
Gr: PK-12 | 1,220 student Avg. class size: 15 students Sports: 15 | Extracurrculars: 9 Acceptance rate listed
Lake Ridge Academy
37501 Center Ridge Rd
North Ridgeville, OH 44039
(440) 327-1175
Gr: PK-12 | 390 students Sports: 7
Laurel School
Laurel School Photo - Laurel School's Lyman Campus in Shaker Heights, Ohio
All-girls
(2)
One Lyman Circle
Beachwood, OH 44122
(216) 455-3002
Gr: PK-12 | 557 students Sports: 15 | Extracurrculars: 20 Tuition listed
Lawrence School
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!
Special Education School
(2)
1551 E Wallings Rd
Broadview Heights, OH 44147
(440) 526-0717
Gr: K-12 | 346 students Avg. class size: 9 students Sports: 7 | Extracurrculars: 13 Tuition listed
Lawrence School-upper School Campus
Special Education School
10036 Olde 8 Rd
Northfield, OH 44067
(440) 526-0003
Gr: 1-12 | 322 students Avg. class size: 13 students Sports: 11 Tuition & acceptance rate listed
Maumee Valley Country Day School
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.
1715 S Reynolds Road
Toledo, OH 43614
(419) 381-1313
Gr: PK-12 | 486 students Avg. class size: 16 students Sports: 11 Tuition & acceptance rate listed
The Miami Valley School
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.
(7)
5151 Denise Dr
Dayton, OH 45429
(937) 434-4444
Gr: NS-12 | 478 students Avg. class size: 14 students Sports: 11 | Extracurrculars: 34 Tuition & acceptance rate listed
Olney Friends School
(Friends)
(4)
61830 Sandy Ridge Rd
Barnesville, OH 43713
(740) 425-3655
Gr: 9-12 | 39 students Avg. class size: 7 students Tuition & acceptance rate listed
The Seven Hills School
The Seven Hills School Photo
5400 Red Bank Road
Cincinnati, OH 45227
(513) 728-2400
Gr: PK-12 | 999 students Avg. class size: 15 students Sports: 17 | Extracurrculars: 23 Tuition listed
The Summit Country Day School
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.
(Catholic)
2161 Grandin Road
Cincinnati, OH 45208
(513) 871-4700
Gr: NS-12 | 1,081 student Sports: 17 Tuition listed
The Wellington School
The Wellington School Photo - Senior Run 2025, The Wellington School, Columbus, Ohio
(7)
3650 Reed Road
Columbus, OH 43220
(614) 457-7883
Gr: NS-12 | 761 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 26 Tuition & acceptance rate listed
Western Reserve Academy
Western Reserve Academy Photo - Brick Row from above - a timeless view of our Federal-style red brick and white pillars, echoing our 1826 founding. A historic institution with modern amenities and an eye on the future.
(1)
115 College Street
Hudson, OH 44236
(330) 650-4400
Gr: 9-12 | 427 students Avg. class size: 12 students Sports: 19 Tuition & acceptance rate listed
Nightingale Montessori
Montessori School
1106 E High St
Springfield, OH 45505
(937) 324-0336
Gr: PK-12 | 150 students Tuition listed
Springer School & Center
Special Education School
2121 Madison Rd
Cincinnati, OH 45208
(513) 871-6080
Gr: 1-10 | 190 students Avg. class size: 11 students Sports: 1 | Extracurrculars: 4 Tuition listed
Welsh Hills School
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.
Montessori School
(5)
2610 Newark-Granville Road
Granville, OH 43023
(740) 522-2020
Gr: NS-12 | 108 students Avg. class size: 10 students Extracurrculars: 4

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