St. Mary School Photo

Best Marion County Private Schools (2025)

For the 2025 school year, there are 5 private schools serving 461 students in Marion County, IL (there are 31 public schools, serving 6,311 public students). 7% of all K-12 students in Marion County, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private schools in Marion County, IL include New Horizon Christian School and St. Mary School.
100% of private schools in Marion County, IL are religiously affiliated (most commonly Lutheran Church Missouri Synod and Catholic).

Top Ranked Marion County Private Schools (2025)

School
Location
Grades
Students
New Horizon Christian School
(Christian)
12 Greenview Church Road
Centralia, IL 62801
(618) 533-6910
Grades: K-8
| 125 students
St. Mary School
St. Mary School Photo
(Catholic)
424 E. Broadway
Centralia, IL 62801
(618) 532-3473
Grades: PK-8
| 114 students
Christ Our Rock Lutheran High School
(Lutheran Church Missouri Synod)
9545 Shatuc Rd
Centralia, IL 62801
(618) 226-3315
Grades: 9-12
| 108 students
St. Theresa Of Avila
(Catholic)
190 N Ohio Ave
Salem, IL 62881
(618) 548-3492
Grades: NS-8
| 53 students
Trinity Lutheran School
(Lutheran Church Missouri Synod)
203 S Pleasant Ave
Centralia, IL 62801
(618) 532-5434
Grades: PK-8
| 61 students

Frequently Asked Questions

What are the top ranked private schools in Marion County, IL?
The top ranked private schools in Marion County, IL include New Horizon Christian School and St. Mary School.
How many private schools are located in Marion County?
5 private schools are located in Marion County.
How diverse are private schools in Marion County?
Marion County private schools are approximately 38% minority students, which is higher than the Illinois private school average of 34%.
What percentage of students in Marion County go to private school?
7% of all K-12 students in Marion County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Marion County?
100% of private schools in Marion County are religiously affiliated (most commonly Lutheran Church Missouri Synod and Catholic).
Which private schools in Marion County are often viewed compared to one another?

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