Private School Review - Established 2003
The Oaks Academy
Trinity School At Greenlawn Top 3 · Highest Avg. SAT Score (IN)
Oak Farm Montessori School Top 3 · Highest Avg. ACT Score (IN)

Best Indiana Private Schools Belonging to Independent Schools Association of the Central States (ISACS) (2026)

For the 2026 school year, there are 18 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 8,856 students in Indiana. You can also find more schools membership associations in Indiana.
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana include International School Of Indiana, Culver Academies, and Park Tudor School.
The average tuition cost is $23,053, which is higher than the Indiana private school average tuition cost of $10,352.
39% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (2026)

  • # Private Schools: 18

Quick Facts (2026)

  • # Private Schools: 18

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

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)
View Profile
The Oaks Academy Photo
The Oaks Academy
Gr: PK-8 | 1,102 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 9
Christian
2301 N Park Ave
Indianapolis, IN 46205
(317) 610-0880
View Profile
St. Richard's Episcopal School Photo
St. Richard's Episcopal School
Gr: PK-8 | 382 students
Avg. class size: 15 students
Sports: 11
Episcopal
33 E 33rd Street
Indianapolis, IN 46205
(317) 926-0425
(7)
View Profile
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)
View Profile
Map of Forest Ridge Academy
Forest Ridge Academy
Gr: PK-8 | 213 students
Sports: 4
7300 Forest Ridge Drive
Schererville, IN 46375
(219) 756-7300
(3)
View Profile
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)
View Profile
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)
View Profile
The Stanley Clark School Photo
The Stanley Clark School
Gr: PK-8 | 385 students
Avg. class size: 14 students
Sports: 9 | Extracurriculars: 11
3123 Miami St
South Bend, IN 46614
(574) 291-4200
(7)
View Profile
Sycamore School Photo
Sycamore School
Gr: PK-8 | 416 students
Avg. class size: 20 students
Sports: 8 | Extracurriculars: 13
Specialized Curriculum
1750 W 64th Street
Indianapolis, IN 46260
(317) 202-2500
(4)
View Profile
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)
View Profile
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)
View Profile
Map of Good Shepherd Montessori School
Good Shepherd Montessori School
Gr: PK-8 | 160 students
Avg. class size: 25 students
Sports: 2
Montessori School (Catholic)
1101 E Jefferson Blvd
South Bend, IN 46617
(574) 288-0098
View Profile
Map of The Montessori Academy At Edison Lakes
The Montessori Academy At Edison Lakes
Gr: PK-8 | 236 students
Sports: 5
Montessori School
530 East Day Road
Mishawaka, IN 46545
(574) 256-5313
(6)
View Profile

Frequently Asked Questions

What are the top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana?
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana include International School Of Indiana, Culver Academies, and Park Tudor School.
How many private schools belonging to Independent Schools Association of the Central States (ISACS) are located in Indiana?
18 private schools belonging to Independent Schools Association of the Central States (ISACS) are located in Indiana.
How much do private schools belonging to Independent Schools Association of the Central States (ISACS) cost in Indiana?
The average tuition cost is $23,053, which is higher than the Indiana private school average tuition cost of $10,352.
How diverse are private schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana?
Indiana private schools belonging to Independent Schools Association of the Central States (ISACS) are approximately 31% minority students, which is higher than the Indiana private school average of 26%.
What percentage of private schools belonging to Independent Schools Association of the Central States (ISACS) are religiously affiliated in Indiana?
39% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Indiana are religiously affiliated (most commonly Catholic and Christian).
18
Private Schools
8,856
Students
$23,053
Avg. Tuition
31%
Students of Color
9:1
Student-Teacher Ratio

Recent Articles

Will This Curriculum Still Matter in 2035?
Will This Curriculum Still Matter in 2035?
Learn how to evaluate future-ready private school curricula for 2035, focusing on durable knowledge, critical thinking, AI literacy, adaptability, communication, creativity, and real-world learning before choosing a school.
Private Schools for Creators, Trades & Startups
Private Schools for Creators, Trades & Startups
Explore how private schools support non-traditional career paths in creative industries, skilled trades, and entrepreneurship, plus what families should evaluate when choosing specialized programs for future-ready students today.
First 90 Days at Private School: Parent Guide
First 90 Days at Private School: Parent Guide
Learn how to read your child’s first 90 days at private school, distinguish healthy adjustment from genuine struggles, and know when academic, social, or emotional concerns require action.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (IN):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

Private School Governance Structures Explained
Private School Governance Structures Explained
 School Rankings by Category
School Rankings by Category
How Policy Changes Could Affect Your Tuition Bill in 2026
How Policy Changes Could Affect Your Tuition Bill in 2026

More Articles

Expert School Views
Funding the Future
Global Educator Empowerment
The Journey to Enrollment
Programs for Exceptional Learners