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 530 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 14:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 15% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 530 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 15%
- 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%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
<Â鶹¹û¶³´«Ã½ class="so-dt-title" id="top-rankings">Top Rankings
Johnsburg High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="overview">School Overview <Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-rankings">School Rankings
Johnsburg High School's student population of 530 students has declined by 11% over five school years.
The teacher population of 39 teachers has declined by 11% over five school years.
Grades Offered
Grades 9-12
Total Students
530 students
Gender %
Total Classroom Teachers
39 teachers
Year Founded
1978
Colors
Royal blue, Gold
School Calendar
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 0.27, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1140 out of 3542 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
27%
Reading/Language Arts Test Scores (% Proficient)
30-34%
30%
Science Test Scores (% Proficient)
60-64%
50%
Student-Teacher Ratio
14:1
13:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
9%
28%
Black
2%
17%
White
85%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
85-89%
87%
Eligible for Free Lunch
18%
43%
Eligible for Reduced Lunch
9%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Profile last updated: 02/09/2025
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id='faq'>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%.
How many students attend Johnsburg High School?
530 students attend Johnsburg High School.
What is the racial composition of the student body?
85% of Johnsburg High School students are White, 9% of students are Hispanic, 3% of students are Two or more races, 2% of students are Black, and 1% of students are Asian.
What is the student-teacher ratio of Johnsburg High School?
Johnsburg High School has a student ration of 14:1, which is higher than 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 Community Unit School District 12.
School ReviewsReview Johnsburg High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
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Review Johnsburg High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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