For the 2025-26 school year, there are 4 private schools serving 562 students in Williamson County, IL (there are 24 public schools, serving 9,716 public students). 5% of all K-12 students in Williamson County, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private school in Williamson County, IL is Our Lady Of Mt Carmel School.
100% of private schools in Williamson County, IL are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Top Ranked Williamson County Private Schools (2025-26)
School
Location
Quick Facts
Our Lady Of Mt Carmel School
(Catholic)
300 W Monroe St
Herrin, IL 62948
(618) 942-4484
Herrin, IL 62948
(618) 942-4484
Gr: PK-8 | 256 students
Agape Christian High School
(Christian)
5208 Meadowland Pkwy
Marion, IL 62959
(618) 997-9302
Marion, IL 62959
(618) 997-9302
Gr: 9-12 | 77 students
Marion Adventist School
(Seventh Day Adventist)
9314 Old Route 13
Marion, IL 62959
(618) 997-1430
Marion, IL 62959
(618) 997-1430
Gr: PK-5 | 12 students Tuition listed
Unity Christian School![Unity Christian School Photo]( "Unity Christian School Photo")
(Christian)
100 E College St
Energy, IL 62933
(618) 542-3802
Energy, IL 62933
(618) 542-3802
Gr: PK-8 | 217 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 3 Tuition listed
Frequently Asked Questions
What are the top ranked private schools in Williamson County, IL?
The top ranked private schools in Williamson County, IL is Our Lady Of Mt Carmel School.
How many private schools are located in Williamson County?
4 private schools are located in Williamson County.
What percentage of students in Williamson County go to private school?
5% of all K-12 students in Williamson County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Williamson County?
100% of private schools in Williamson County are religiously affiliated (most commonly Christian and Seventh Day Adventist).
Which private schools in Williamson County are often viewed compared to one another?
Popular comparisons of private schools in Williamson County include: Unity Christian School vs. Our Lady Of Mt Carmel School, Marion Adventist School vs. Our Lady Of Mt Carmel School, Our Lady Of Mt Carmel School vs. Unity Christian School
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