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

For the 2026 school year, there are 4 private high schools belonging to National Council for Private School Accreditation serving 7,566 students in Illinois. You can also find more schools membership associations in Illinois.

The top-ranked private high schools belonging to National Council for Private School Accreditation in Illinois include Illinois Lutheran High School, American School, and Schaumburg Christian School.

The average acceptance rate is 98%, which is higher than the Illinois private high school average acceptance rate of 81%.

50% of private high schools belonging to National Council for Private School Accreditation in Illinois are religiously affiliated (most commonly Baptist and Wisconsin Evangelical Lutheran Synod).