Private School Review - Established 2003
Illinois Lutheran High School Top 16 · Highest Avg. SAT Score (IL)
American School
Calvary Christian School: Infant - 8th Grade

Best Illinois Private Schools Belonging to National Council for Private School Accreditation (2026)

For the 2026 school year, there are 7 private schools belonging to National Council for Private School Accreditation serving 7,974 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to National Council for Private School Accreditation in Illinois include Jerusalem Evangelical Lutheran School, American School, and Schaumburg Christian School.
The average acceptance rate is 98%, which is higher than the Illinois private school average acceptance rate of 85%.
71% of private schools belonging to National Council for Private School Accreditation in Illinois are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Baptist).

Quick Facts (2026)

  • # Private Schools: 7

Quick Facts (2026)

  • # Private Schools: 7

Top Ranked Private Schools Belonging to National Council for Private School Accreditation in Illinois (2026)

Illinois Lutheran High School Photo
Illinois Lutheran High School
Gr: PK-12 | 258 students
Avg. class size: 20 students
Sports: 8 | Extracurriculars: 12
Wisconsin Evangelical Lutheran Synod
1610 Main St
Crete, IL 60417
(708) 672-3262
(5)
View Profile
St. John Lutheran School Photo
St. John Lutheran School
Gr: PK-8 | 91 students
Avg. class size: 12 students
Sports: 5 | Extracurriculars: 14
Wisconsin Evangelical Lutheran Synod
501 W Park Ave
Libertyville, IL 60048
(847) 362-4424
(7)
View Profile
American School Photo
American School
Gr: 6-12 | 6,319 students
Alternative School
2200 E 170th St
Lansing, IL 60438
(708) 418-2800
View Profile
Map of Jerusalem Evangelical Lutheran School
Jerusalem Evangelical Lutheran School
Gr: PK-8 | 95 students
Avg. class size: 12 students
Sports: 5 | Extracurriculars: 2
Wisconsin Evangelical Lutheran Synod
6218 Capulina Ave
Morton Grove, IL 60053
(847) 965-7340
View Profile
Map of Schaumburg Christian School
Schaumburg Christian School
Gr: PK-12 | 889 students
Avg. class size: 17 students
Sports: 7 | Extracurriculars: 12
Baptist
200 N Roselle Road
Schaumburg, IL 60194
(847) 885-3230
(52)
View Profile
Alexander Graham Bell Montessori School Photo
Alexander Graham Bell Montessori School
Gr: NS-12 | 100 students
Avg. class size: 20 students
Sports: 7 | Extracurriculars: 7
Montessori School
9300 Capitol Drive
Wheeling, IL 60090
(847) 850-5490
(3)
View Profile
Calvary Christian School: Infant - 8th Grade Photo
Calvary Christian School: Infant - 8th Grade
Gr: NS-8 | 222 students
Sports: 4 | Extracurriculars: 1
Assembly of God
9s200 Route 59
Naperville, IL 60564
(630) 375-8600
(4)
View Profile

Frequently Asked Questions

What are the top ranked private schools belonging to National Council for Private School Accreditation in Illinois?
The top ranked private schools belonging to National Council for Private School Accreditation in Illinois include Jerusalem Evangelical Lutheran School, American School, and Schaumburg Christian School.
How many private schools belonging to National Council for Private School Accreditation are located in Illinois?
7 private schools belonging to National Council for Private School Accreditation are located in Illinois.
How diverse are private schools belonging to National Council for Private School Accreditation in Illinois?
Illinois private schools belonging to National Council for Private School Accreditation are approximately 42% minority students, which is higher than the Illinois private school average of 34%.
What percentage of private schools belonging to National Council for Private School Accreditation are religiously affiliated in Illinois?
71% of private schools belonging to National Council for Private School Accreditation in Illinois are religiously affiliated (most commonly Wisconsin Evangelical Lutheran Synod and Baptist).
7
Private Schools
7,974
Students
$6,696
Avg. Tuition
42%
Students of Color
14:1
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 (IL):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

How to Search for Private Schools — 2025 Guide
How to Search for Private Schools — 2025 Guide
 The Second Visit Strategy: What to Look for After the Open House
The Second Visit Strategy: What to Look for After the Open House
Illinois Private Schools By Tuition Cost
Illinois Private Schools By Tuition Cost

More Articles

Well-Rounded Achievements
Strategic School Choices
Excellence in School Security
Advanced Learning Frameworks
Funding the Future