For the 2025 school year, there is 1 private high school serving 383 students in Clinton County, IL.
The top ranked private high school in Clinton County, IL is Mater Dei High School.
100% of private high schools in Clinton County, IL are religiously affiliated (most commonly Catholic).
Top Ranked Clinton County Private High Schools (2025)
School
Location
Grades
Students
Mater Dei High School
(Catholic)
900 Mater Dei Dr
Breese, IL 62230
(618) 526-7216
Breese, IL 62230
(618) 526-7216
Grades: 9-12
| 383 students
Frequently Asked Questions
What are the top ranked private high schools in Clinton County, IL?
The top ranked private high schools in Clinton County, IL is Mater Dei High School.
How many private high schools are located in Clinton County?
1 private high schools are located in Clinton County.
What percentage of private high schools are religiously affiliated in Clinton County?
100% of private high schools in Clinton County are religiously affiliated (most commonly Catholic).
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