For the 2025-26 school year, there are 5 private high schools serving 671 students in Mchenry County, IL.
The top ranked private high schools in Mchenry County, IL include Marian Central Catholic High School, Trinity Oaks Christian Academy, and Allendale-linc.
The average acceptance rate is 94%, which is higher than the Illinois private high school average acceptance rate of 81%.
Top Ranked Mchenry County Private High Schools (2025-26)
School
Location
Quick Facts
Allendale-linc
Special Education School
1055 Lake Ave
Woodstock, IL 60098
(815) 206-5725
Woodstock, IL 60098
(815) 206-5725
Gr: 6-12 | 34 students
Marian Central Catholic High School![Marian Central Catholic High School Photo Marian Central Catholic High School Photo]()

(Catholic)
1001 McHenry Ave
Woodstock, IL 60098
(815) 338-4220
Woodstock, IL 60098
(815) 338-4220
Gr: 9-12 | 294 students Avg. class size: 17 students Sports: 17 Tuition & acceptance rate listed
233 Trinity Oaks Way
Cary, IL 60013
(847) 462-5971
Cary, IL 60013
(847) 462-5971
Gr: PK-12 | 281 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
Notre Dame Academy
(Catholic)
10002 Harmony Hill Rd
Marengo, IL 60152
(815) 923-4350
Marengo, IL 60152
(815) 923-4350
Gr: K-12 | 20 students
Woodstock Christian School
(Christian)
1201 Dean St
Woodstock, IL 60098
(815) 338-1391
Woodstock, IL 60098
(815) 338-1391
Gr: K-9 | 42 students Sports: 2
Mchenry County Private Schools (Closed)
School
Location
Quick Facts
Faith Lutheran High School (Closed 2018)
(Lutheran Church Missouri Synod)
174 McHenry Ave.
Crystal Lake, IL 60014
(815) 479-9305
Crystal Lake, IL 60014
(815) 479-9305
Gr: 9-12 | 81 students Avg. class size: 12 students Tuition & acceptance rate listed
Fox Valley Christian School (Closed 2010)
Alternative School (Baptist)
509 Front St
Mchenry, IL 60050
(815) 385-0126
Mchenry, IL 60050
(815) 385-0126
Gr: 5-12 | 10 students Avg. class size: 6 students Tuition listed
Frequently Asked Questions
What are the top ranked private high schools in Mchenry County, IL?
The top ranked private high schools in Mchenry County, IL include Marian Central Catholic High School, Trinity Oaks Christian Academy, and Allendale-linc.
How many private high schools are located in Mchenry County?
5 private high schools are located in Mchenry County.
How diverse are private high schools in Mchenry County?
Mchenry County private high schools are approximately 20% minority students, which is lower than the Illinois private school average of 35%.
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