Park Tudor School Photo - Travel opportunities for students include trips to France, Spain, Uruguay, China, and cities throughout the U.S.

Best Indiana Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) (2025)

For the 2025 school year, there are 11 private high schools belonging to Independent Schools Association of the Central States (ISACS) serving 6,084 students in Indiana. You can also find more schools membership associations in Indiana.
The top ranked private high schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana include Brebeuf Jesuit Preparatory School, Culver Academies, and La Lumiere School.
The average acceptance rate is 74%, which is lower than the Indiana private high school average acceptance rate of 80%.
36% of private high schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) in Indiana (2025)

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
Brebeuf Jesuit Preparatory School
Brebeuf Jesuit Preparatory School Photo
(Catholic)
2801 W 86th Street
Indianapolis, IN 46268
(317) 524-7097
Gr: 9-12 | 841 students Avg. class size: 12 students Sports: 24 | Extracurrculars: 24 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
Cathedral High School
Cathedral High School Photo - Cathedral High School's college-like campus sits on 40-acres of woods and rolling hills.
(Catholic)
(1)
5225 E 56th St
Indianapolis, IN 46226
(317) 968-7324
Gr: 9-12 | 1,072 student Avg. class size: 19 students Sports: 20 | Extracurrculars: 34 Tuition & acceptance rate 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
Fortune Academy
Fortune Academy Photo - Fortune Academy Logo
Special Education School
(10)
5626 Lawton Loop Dr.
Indianapolis, IN 46256
(317) 377-0544
Gr: 1-12 | 101 students Avg. class size: 6 students Sports: 6 | Extracurrculars: 8 Tuition 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
Oak Farm Montessori School
Oak Farm Montessori School Photo - Oak Farm Montessori is the ONLY infant through high school dual accredited Montessori School in the United States. In addition, our program boasts a 150+ acre campus; rich with opportunities. We invite you to visit our one of a kind campus to experience for yourself, the vision and values deeply rooted in our school for our students to thrive!
Montessori School
502 Lemper Rd
Avilla, IN 46710
(260) 897-4270
Gr: NS-12 | 422 students Avg. class size: 24 students Sports: 9 Tuition 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
Trinity School At Greenlawn
Trinity School At Greenlawn Photo - A love for music is evident at Trinity. Students combined their love of the school and their love of Les Miserables into the school's first music video. See it here: http://www.youtube.com/watch?v=laL9du84rac.
(Christian)
(2)
107 S Greenlawn Avenue
South Bend, IN 46617
(574) 287-5590
Gr: 6-12 | 244 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 13
2825 W 116th Street
Carmel, IN 46032
(317) 733-4475
Gr: 9-12 Avg. class size: 20 students Sports: 11 | Extracurrculars: 34 Tuition listed

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