University High School of Indiana Photo - University High School students are friendly and welcoming. Students are often friends with students in every grade.

Top 10 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 6,045 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 Cathedral High School.
The average acceptance rate is 65%, which is lower than the Indiana private high school average acceptance rate of 81%.
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
Grades
Students
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
Grades: NS-12
| 530 students
Brebeuf Jesuit Preparatory School
Brebeuf Jesuit Preparatory School Photo
(Catholic)
2801 W 86th Street
Indianapolis, IN 46268
(317) 524-7097
Grades: 9-12
| 841 students
Canterbury School
Canterbury School Photo
5601 Covington Road
Fort Wayne, IN 46804
(260) 407-3553
Grades: NS-12
| 895 students
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
Grades: 9-12
| 1,072 students
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
Grades: 9-12
| 832 students
Fortune Academy (formerly The Hutson School)
Fortune Academy (formerly The Hutson School) Photo - Multi-sensory math makes all the difference for our students.
Special Education School
(10)
5626 Lawton Loop Dr.
Indianapolis, IN 46216
(317) 377-0544
Grades: 1-12
| 82 students
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
Grades: 9-12
| 205 students
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
Grades: NS-12
| 422 students
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
Grades: PK-12
| 922 students
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
Grades: 6-12
| 244 students
2825 W 116th Street
Carmel, IN 46032
(317) 733-4475
Grades: 9-12
| n/a students

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