Mchenry Community High School serves 2,231 students in grades 9-12.
The percentage of students achieving proficiency in reading/language arts is 24% (which is lower than the Illinois state average of 30%).
The student:teacher ratio of 15:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 31% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,231 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 31%
- Graduation Rate: 92% (Top 30% in IL)
- Reading Proficiency: 24% (Btm 50%)
- Science Proficiency: 54% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Mchenry Community High School's student population of 2,231 students has stayed relatively flat over five school years.
The teacher population of 146 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
2,231 students

Gender %

Total Classroom Teachers
146 teachers

Students by Grade

School Rankings
The diversity score of Mchenry Community High School is 0.46, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Reading/Language Arts Test Scores (% Proficient)
24%
30%
Science Test Scores (% Proficient)
54%
50%
Student : Teacher Ratio
15:1
13:1

American Indian
1%
1%
Asian
1%
6%

Hispanic
26%
28%

Black
1%
16%

White
69%
45%

Hawaiian
n/a
n/a
Two or more races
2%
4%

All Ethnic Groups



Graduation Rate
92%
87%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is the graduation rate of Mchenry Community High School?
The graduation rate of Mchenry Community High School is 92%, which is higher than the Illinois state average of 87%.
How many students attend Mchenry Community High School?
2,231 students attend Mchenry Community High School.
What is the racial composition of the student body?
69% of Mchenry Community High School students are White, 26% of students are Hispanic, 2% of students are Two or more races, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Mchenry Community High School?
Mchenry Community High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Mchenry Community High School offer ?
Mchenry Community High School offers enrollment in grades 9-12
What school district is Mchenry Community High School part of?
Mchenry Community High School is part of Mchenry CHSD 156 School District.
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