Northridge Preparatory School Top 6 · Highest Avg. SAT Score (IL)

Brother Rice High School - Chicago Top 25 · Most AP Courses (IL)

Leo Catholic High School Top 3 · Highest % Students of Color (IL)

Home > Illinois

Illinois All-Boys Private Schools

For the 2026-27 school year, there are 22 all-boys private schools serving 6,071 students in Illinois.

The all-boys private schools in Illinois include St. Rita Of Cascia High School, Mount Carmel High School, and Brother Rice High School - Chicago.

The average acceptance rate is 80%, which is lower than the Illinois private school average acceptance rate of 90%.

91% of all-boys private schools in Illinois are religiously affiliated (most commonly Jewish and Catholic).

Quick Facts (26-27)

# Private Schools: 22
# Students Served: 6,071

Quick Facts (26-27)

# Private Schools: 22
# Students Served: 6,071

Illinois All-Boys Private School Trends

Private Schools

6,071

Students

$11,168

Avg. Tuition

Avg. Class Size

35%

Students of Color

12:1

Student-Teacher Ratio

Frequently Asked Questions

What are the top ranked all-boys private schools in Illinois?

The all-boys private schools in Illinois include St. Rita Of Cascia High School, Mount Carmel High School, and Brother Rice High School - Chicago.

How many all-boys private schools are located in Illinois?

22 all-boys private schools are located in Illinois.

How diverse are all-boys private schools in Illinois?

Illinois all-boys private schools are approximately 35% minority students, which is higher than the Illinois private school average of 34%.

What percentage of all-boys private schools are religiously affiliated in Illinois?

91% of all-boys private schools in Illinois are religiously affiliated (most commonly Jewish and Catholic).

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