Best Illinois Private High Schools Belonging to National Independent Private Schools Association (2026)

For the 2026 school year, there are 5 private high schools belonging to National Independent Private Schools Association serving 845 students in Illinois. You can also find more schools membership associations in Illinois.
The top-ranked private high school belonging to National Independent Private School Association in Illinois is College Preparatory School Of America.
60% of private high schools belonging to National Independent Private Schools Association in Illinois are religiously affiliated (most commonly Islamic and Catholic).

Top-Ranked Private High Schools Belonging to National Independent Private Schools Association in Illinois (2026)

School
Location
Quick Facts
College Preparatory School Of America
(Islamic)
331 W Madison St
Lombard, IL 60148
(630) 889-8000
Gr: PK-12 | 569 students Sports: 4
Charter School Academy College Prep
(Christian)
1443 W 63rd St
Chicago, IL 60636
(312) 675-8691
Gr: PK-12 | 31 students
Grand Prairie School
All-boys | Special Education School
110 N Locust St
Onarga, IL 60955
(815) 268-7440
Gr: 5-12 | 53 students
Helping Hand School
Special Education School
9649 W 55th St
La Grange, IL 60525
(708) 386-6818
Gr: PK-12 | 42 students
Our Lady Of Tepeyac High School
All-girls (Catholic)
2228 S Whipple St
Chicago, IL 60623
(773) 522-0023
Gr: 9-12 | 150 students Avg. class size: 15 students Tuition listed

Recent Articles

The True Cost of 'Required' Private School Expenses Beyond Tuition
The True Cost of 'Required' Private School Expenses Beyond Tuition
Discover the required private school expenses beyond tuition and learn how to budget for the true cost of a private school education.
How to Compare Schools When Every Website Says "Individualized"
How to Compare Schools When Every Website Says "Individualized"
Learn how to compare private schools beyond marketing language by evaluating academics, support services, teaching methods, and student outcomes.
What to Ask Before Signing an Enrollment Contract
What to Ask Before Signing an Enrollment Contract
Learn the essential questions to ask before signing a private school enrollment contract, from tuition policies to withdrawal terms and financial aid.