For the 2025 school year, there are 3 public high schools serving 2,761 students in Mchenry, IL.
The top ranked public high school in Mchenry, IL is Johnsburg High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mchenry, IL public high schools have an average math proficiency score of 27% (versus the Illinois public high school average of 28%), and reading proficiency score of 26% (versus the 29% statewide average). High schools in Mchenry have an average ranking of 7/10, which is in the top 50% of Illinois public high schools.
Mchenry, IL public high school have a Graduation Rate of 92%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Johnsburg High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 28% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Best Public High Schools in Mchenry, IL (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Johnsburg High School
Rank:
7/
Top 50%10
2002 W Ringwood Rd
Mchenry, IL 60051
(815) 385-9233
Mchenry, IL 60051
(815) 385-9233
Grades: 9-12
| 530 students
Rank: n/an/a
Innovation Academy
Alternative School
3917 Mercy Dr
Mchenry, IL 60050
(815) 239-0001
Mchenry, IL 60050
(815) 239-0001
Grades: 4-12
| n/a students
Rank: n/an/a
1012 N Green St, Freshman Camp
Mchenry, IL 60050
(815) 759-5514
Mchenry, IL 60050
(815) 759-5514
Grades: 9-12
| 2,231 students
Mchenry, Illinois Public Schools (Closed)
School
Location
Grades
Students
Evergreen Academy (Closed 2024)
Alternative School
6506 National St, Evergreen Ac
Mchenry, IL 60050
(815) 334-4055
Mchenry, IL 60050
(815) 334-4055
Grades: 6-12
| n/a students
1012 N Green St
Mchenry, IL 60050
(815) 385-1145
Mchenry, IL 60050
(815) 385-1145
Grades: 9-12
| 649 students
4724 W Crystal Lake Rd
Mchenry, IL 60050
(815) 385-7077
Mchenry, IL 60050
(815) 385-7077
Grades: 9-12
| 1,537 students
Frequently Asked Questions
What are the top ranked public high schools in Mchenry, IL?
The top ranked public high schools in Mchenry, IL include Johnsburg High School.
How many public high schools are located in Mchenry?
3 public high schools are located in Mchenry.
What is the racial composition of students in Mchenry?
Mchenry public high schools minority enrollment is 28% of the student body (majority Hispanic), which is less than the Illinois public high schools average of 55% (majority Hispanic).
Recent Articles

Texas Schools: The Voucher/School Choice Debate
The issue of school choice and a voucher system is currently being revisited in Houston and across the state of Texas, with strong opinions on both sides of the debate.

Fuel Up to Play 60 Focuses on Integrating Fitness and Wellness into the School Day
What if NFL players came to your school? With the Fuel Up to Play 60 program, sponsored by the National Dairy Council and the NFL, nutrition and exercise are promoted during the school day. NFL players participate in the program by coming to schools and talking to students about fitness. Learn more about the program and some of the schools that are implementing it.

What Parents Need to Know About Lunch Shaming
Students all over the nation go hungry every day not because their schools don’t offer lunch, but because they refuse them to children with outstanding debts. Read on to learn about the horror that is lunch shaming and what can be done about it.