For the 2026-27 school year, there is 1 public high school serving 502 students in Johnsburg CUSD 12 School District. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in Illinois.
Public High School in Johnsburg CUSD 12 School District have an average math proficiency score of 32% (versus the Illinois public high school average of 26%), and reading proficiency score of 32% (versus the 29% statewide average).
Public High School in Johnsburg CUSD 12 School District have a Graduation Rate of 87%, which is equal to the Illinois average of 87%.
The school with highest graduation rate is Johnsburg High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 17% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
4 Schools
1,037 Schools
# Students
1,681 Students
599,453 Students
# Teachers
120 Teachers
42,661 Teachers
Student-Teacher Ratio
14:1
14:1
Student By Grade
District Rank
Johnsburg CUSD 12 School District, which is ranked within the top 50% of all 861 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 87% has decreased from 90-94% over five school years.
Overall District Rank
#375 out of 865 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
28%
27%
Reading/Language Arts Test Scores (% Proficient)
29%
30%
Science Test Scores (% Proficient)
62%
50%
Graduation Rate
87%
87%
Chronically Absent Students
(2022-23)16.8%
29.7%
Students by Ethnicity:
Diversity Score
0.33
0.69
% American Indian
n/a
n/a
% Asian
1%
6%
% Hispanic
13%
29%
% Black
1%
16%
% White
81%
45%
% Hawaiian
n/a
n/a
% Two or more races
4%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $24,278 is higher than the state median of $22,469. The school district revenue/student has grown by 12% over four school years.
The school district's spending/student of $21,287 is less than the state median of $21,707. The school district spending/student has grown by 6% over four school years.
Total Revenue
$41 MM
$41,381 MM
Spending
$36 MM
$39,976 MM
Revenue / Student
$24,278
$22,469
Spending / Student
$21,287
$21,707
Best Johnsburg CUSD 12 School District Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Johnsburg High School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
7/
Top 50%10
2002 W Ringwood Rd
Mchenry, IL 60051
(815) 385-9233
Mchenry, IL 60051
(815) 385-9233
Gr: 9-12 | 502 students Student-teacher ratio: 13:1 Minority enrollment: 16%
Recent Articles
What Makes an Elementary School Feel Supportive?
Discover what makes one elementary school more supportive than another, from teacher relationships and family communication to classroom attention, belonging, student services, leadership, routines, and responsive academic support systems.
Second School Tour: Questions Parents Forget to Ask
A second school tour can reveal what families miss initially. Learn which questions to ask about teachers, support, schedules, safety, communication, programs, and everyday student life before enrolling.
Attendance Policies Are Changing: Parent Guide 2026
Attendance policies are changing across public schools. Learn what parents should examine about absences, tardiness, interventions, flexibility, communication, and student support before choosing a school for their child today.
