Private School Review - Established 2003
La Lumiere School Top 3 · Highest Avg. ACT Score (IN)
International School Of Indiana Top 4 · Highest Avg. SAT Score (IN)
Trinity School At Greenlawn Top 3 · Highest Avg. SAT Score (IN)

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

For the 2026-27 school year, there are 11 private high schools belonging to Independent Schools Association of the Central States (ISACS) serving 5,962 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 Culver Academies, International School Of Indiana, and Cathedral High School.
The average acceptance rate is 70%, which is lower than the Indiana private high school average acceptance rate of 84%.
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).

Quick Facts (26-27)

  • # Private Schools: 11

Quick Facts (26-27)

  • # Private Schools: 11

Top Ranked Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) in Indiana (2026-27)

International School Of Indiana Photo
International School Of Indiana
Gr: NS-12 | 550 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 33
Specialized Curriculum
4330 N Michigan Road
Indianapolis, IN 46208
(317) 923-1951
(2)
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Brebeuf Jesuit Preparatory School Photo
Brebeuf Jesuit Preparatory School
Gr: 9-12 | 841 students
Avg. class size: 12 students
Sports: 24 | Extracurriculars: 24
Catholic
2801 W 86th Street
Indianapolis, IN 46268
(317) 524-7097
View Profile
Canterbury School Photo
Canterbury School
Gr: NS-12 | 773 students
Avg. class size: 17 students
Sports: 11 | Extracurriculars: 10
5601 Covington Road
Fort Wayne, IN 46804
(260) 407-3553
View Profile
Cathedral High School Photo
Cathedral High School
Gr: 9-12 | 1,072 students
Avg. class size: 19 students
Sports: 20 | Extracurriculars: 34
Catholic
5225 E 56th St
Indianapolis, IN 46226
(317) 968-7324
(1)
View Profile
Culver Academies Photo
Culver Academies
Gr: 9-12 | 832 students
Avg. class size: 14 students
Sports: 26
1300 Academy Rd
Culver, IN 46511
(574) 842-7100
(1)
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Fortune Academy Photo
Fortune Academy
Gr: 1-12 | 101 students
Avg. class size: 6 students
Sports: 6 | Extracurriculars: 8
Special Education School
5626 Lawton Loop Dr.
Indianapolis, IN 46256
(317) 377-0544
(10)
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La Lumiere School Photo
La Lumiere School
Gr: 9-12 | 205 students
Avg. class size: 10 students
Sports: 9 | Extracurriculars: 11
Catholic
6801 N. Wilhelm Road
La Porte, IN 46350
(219) 326-7450
View Profile
Oak Farm Montessori School Photo
Oak Farm Montessori School
Gr: NS-12 | 422 students
Avg. class size: 24 students
Sports: 9
Montessori School
502 Lemper Rd
Avilla, IN 46710
(260) 897-4270
View Profile
Park Tudor School Photo
Park Tudor School
Gr: PK-12 | 922 students
Avg. class size: 10 students
Sports: 15
7200 N College Ave
Indianapolis, IN 46240
(317) 415-2700
(1)
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Trinity School At Greenlawn Photo
Trinity School At Greenlawn
Gr: 6-12 | 244 students
Avg. class size: 18 students
Sports: 5 | Extracurriculars: 13
Christian
107 S Greenlawn Avenue
South Bend, IN 46617
(574) 287-5590
(2)
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University High School of Indiana Photo
University High School of Indiana
Gr: 9-12
Avg. class size: 20 students
Sports: 11 | Extracurriculars: 34
2825 W 116th Street
Carmel, IN 46032
(317) 733-4475
(1)
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Frequently Asked Questions

What are the top ranked private high schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana?
The top ranked private high schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana include Culver Academies, International School Of Indiana, and Cathedral High School.
How many private high schools belonging to Independent Schools Association of the Central States (ISACS) are located in Indiana?
11 private high schools belonging to Independent Schools Association of the Central States (ISACS) are located in Indiana.
How diverse are private high schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana?
Indiana private high schools belonging to Independent Schools Association of the Central States (ISACS) are approximately 25% minority students, which is same as the Indiana private school average of 25%.
What percentage of private high schools belonging to Independent Schools Association of the Central States (ISACS) are religiously affiliated in Indiana?
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).
11
Private Schools
5,962
Students
$25,357
Avg. Tuition
25%
Students of Color
8:1
Student-Teacher Ratio

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