Johnsburg High School is a public secondary school in Johnsburg, Illinois; it serves grades 9–12 for the Johnsburg Community Unit School District #12. The school opened in 1978 and has an enrollment of approximately 600 students.
Serving 502 students in grades 9-12, Johnsburg High School ranks in the top 50% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 30-34% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is approximately equal to the Illinois state average of 30%).
The student-teacher ratio of 13:1 is equal to the Illinois state level of 13:1.
Minority enrollment is 16% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 502 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 16%
- Graduation Rate: 85-89% (Top 50% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 30-34% (Top 30%)
- Reading Proficiency: 30-34% (Top 50%)
- Science Proficiency: 60-64% (Top 30%)
- Attendance Zone: Johnsburg High School's attendance zone covers the entire district, located in McHenry, IL, and encompasses approximately 19.1 square miles. Most students can expect a typical drive of 5-10 minutes to reach the school, with the furthest edge of the zone being 5.2 miles away.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Johnsburg High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
School Overview
Johnsburg High School's student population of 502 students has declined by 15% over five school years.
The teacher population of 38 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
502 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
38 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
Year Founded
1978
School Calendar
School Rankings
Johnsburg High School ranks within the top 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Johnsburg High School is 0.29, 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.
Overall Testing Rank
#1140 out of 3542 schools
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
30-34%
27%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
30-34%
30%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
60-64%
50%
Student-Teacher Ratio
13:1
13:1
Showing 2015–2025. Full 39-year historical data available below ↓
Asian
1%
6%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
10%
29%
Showing 2016–2025. Full 38-year historical data available below ↓
Black
1%
16%
White
84%
45%
Showing 2016–2025. Full 38-year historical data available below ↓
Two or more races
4%
4%
Showing 2016–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 38-year historical data available below ↓
Graduation Rate
85-89%
87.6%
Chronically Absent Students
(22-23)22.7%
29.7%
Eligible for Free Lunch
19%
43%
Showing 2015–2025. Full 24-year historical data available below ↓
Eligible for Reduced Lunch
10%
4%
Showing 2010–2025. Full 24-year historical data available below ↓
School Statewide Testing
School District Name
Sports
Colors
Royal blue, Gold
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Johnsburg High School's ranking?
Johnsburg High School is ranked #1140 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Johnsburg High School often compared to?
Johnsburg High Schoolis often viewed alongside schools like Richmond-burton High School, Harvard High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 27% IL state average), while 30-34% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Johnsburg High School?
The graduation rate of Johnsburg High School is 85-89%, which is lower than the Illinois state average of 87.6%.
How many students attend Johnsburg High School?
502 students attend Johnsburg High School.
What is the racial composition of the student body?
84% of Johnsburg High School students are White, 10% of students are Hispanic, 4% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Johnsburg High School?
Johnsburg High School has a student ration of 13:1, which is equal to the Illinois state average of 13:1.
What grades does Johnsburg High School offer ?
Johnsburg High School offers enrollment in grades 9-12
What school district is Johnsburg High School part of?
Johnsburg High School is part of Johnsburg CUSD 12 School District.
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