For the 2025-26 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 (2025-26)
School
Location
Quick Facts
New Horizon Christian School
(Christian)
12 Greenview Church Road
Centralia, IL 62801
(618) 533-6910
Centralia, IL 62801
(618) 533-6910
Gr: K-8 | 125 students Avg. class size: 12 students Sports: 5 | Extracurrculars: 1
St. Mary School![St. Mary School Photo]( "St. Mary School Photo")
(Catholic)
424 E. Broadway
Centralia, IL 62801
(618) 532-3473
Centralia, IL 62801
(618) 532-3473
Gr: PK-8 | 114 students Avg. class size: 20 students Sports: 6 Tuition listed
Christ Our Rock Lutheran High School
(Lutheran Church Missouri Synod)
9545 Shatuc Rd
Centralia, IL 62801
(618) 226-3315
Centralia, IL 62801
(618) 226-3315
Gr: 9-12 | 108 students Avg. class size: 15 students Sports: 10
St. Theresa Of Avila
(Catholic)
190 N Ohio Ave
Salem, IL 62881
(618) 548-3492
Salem, IL 62881
(618) 548-3492
Gr: NS-8 | 53 students Sports: 3 | Extracurrculars: 2
Trinity Lutheran School
(Lutheran Church Missouri Synod)
203 S Pleasant Ave
Centralia, IL 62801
(618) 532-5434
Centralia, IL 62801
(618) 532-5434
Gr: PK-8 | 61 students Tuition listed
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?
Popular comparisons of private schools in Marion County include: Christ Our Rock Lutheran High School vs. New Horizon Christian School, St. Mary School vs. New Horizon Christian School, Trinity Lutheran School vs. New Horizon Christian School
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