University High School of Indiana Photo - University High School offers a three-week January Term where students study one subject in depth that interests them. Some classes even include travel portions, and students visit places like Berlin, France, Chicago, or even Walt Disney World.

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

For the 2026 school year, there are 11 private high schools belonging to National Association of Independent Schools (NAIS) serving 5,049 students in Indiana. You can also find more schools membership associations in Indiana.
The top-ranked private high schools belonging to National Association of Independent Schools (NAIS) in Indiana include International School Of Indiana, Culver Academies, and Canterbury School.
The average acceptance rate is 89%, which is higher than the Indiana private high school average acceptance rate of 79%.
45% of private high schools belonging to National Association of Independent Schools (NAIS) in Indiana are religiously affiliated (most commonly Catholic and Mennonite).

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

School
Location
Quick Facts
International School Of Indiana
International School Of Indiana Photo - A group of students walking in the annual International Parade where the ISI community celebrates the many cultures and backgrounds that make up our community.
Special Program Emphasis
(2)
4330 N Michigan Road
Indianapolis, IN 46208
(317) 923-1951
Gr: NS-12 | 550 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 33 Tuition listed
Bethany Christian Schools
Bethany Christian Schools Photo
(Mennonite)
2904 South Main Street
Goshen, IN 46526
(574) 534-2567
Gr: K-12 | 330 students Avg. class size: 17 students Sports: 8 | Extracurrculars: 12 Tuition & acceptance rate listed
1519 Hoffman Street
Hammond, IN 46327
(219) 932-9058
Gr: 9-12 | 481 students Avg. class size: 22 students Sports: 15 | Extracurrculars: 13 Tuition & acceptance rate listed
Canterbury School
Canterbury School Photo
5601 Covington Road
Fort Wayne, IN 46804
(260) 407-3553
Gr: NS-12 | 895 students Avg. class size: 17 students Sports: 11 | Extracurrculars: 10 Tuition listed
Culver Academies
Culver Academies Photo - An aerial view of Memorial Chapel and Lake Maxinkuckee. Situated on 1,800 acres of green hills and pristine woodlands, Culver's storied campus is home to three distinct leadership-development experiences: Culver Military Academy, Culver Girls Academy, and Culver Summer Schools and Camps.
(1)
1300 Academy Rd
Culver, IN 46511
(574) 842-8300
Gr: 9-12 | 832 students Avg. class size: 14 students Sports: 26 Tuition & acceptance rate listed
Evansville Day School
3400 N Green River Rd
Evansville, IN 47715
(812) 476-3039
Gr: PK-12 | 281 students Avg. class size: 10 students Sports: 8 | Extracurrculars: 16 Tuition & acceptance rate listed
La Lumiere School
La Lumiere School Photo - La Lumiere School is a private, independent boarding and day school founded in 1963, located in La Porte, Indiana, on an idyllic 190-acre wooded campus.
(Catholic)
6801 N. Wilhelm Road
La Porte, IN 46350
(219) 326-7450
Gr: 9-12 | 205 students Avg. class size: 10 students Sports: 9 | Extracurrculars: 11 Tuition & acceptance rate listed
Park Tudor School
Park Tudor School Photo - Travel opportunities for students include trips to France, Spain, Uruguay, China, and cities throughout the U.S.
(1)
7200 N College Ave
Indianapolis, IN 46240
(317) 415-2700
Gr: PK-12 | 922 students Avg. class size: 10 students Sports: 15 Tuition listed
Tabernacle Christian School
(Baptist)
(1)
2189 Burton Ln
Martinsville, IN 46151
(765) 349-5950
Gr: PK-12 | 418 students Sports: 3
2825 W 116th Street
Carmel, IN 46032
(317) 733-4475
Gr: 9-12 Avg. class size: 20 students Sports: 11 | Extracurrculars: 34 Tuition listed
Harlan Christian School
(Church of Christ)
(1)
17108 State Road 37
Harlan, IN 46743
(260) 657-5147
Gr: PK-12 | 135 students Avg. class size: 12 students Sports: 4 Tuition listed

Recent Articles

Financial Aid 101 for Private School Families 2026
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.