Mundelein High School is a public four-year high school located in Mundelein, Illinois, a northern suburb of Chicago, Illinois, in the United States. The school serves the Village of Mundelein and parts of surrounding villages, include Vernon Hills, Grayslake, Hawthorn Woods, Round Lake, Wauconda and Libertyville.
Serving 2,282 students in grades 9-12, Mundelein Cons High School ranks in the top 50% of all schools in Illinois for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 27% (which is equal to the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 34% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 62% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,282 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 62%
- Graduation Rate: 88% (Top 50% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 27% (Top 50%)
- Reading Proficiency: 34% (Top 50%)
- Science Proficiency: 61% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Mundelein Cons High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
School Overview
Mundelein Cons High School's student population of 2,282 students has grown by 9% over five school years.
The teacher population of 144 teachers has grown by 9% over five school years.
Grades Offered
Grades 9-12
Total Students
2,282 students
Total Classroom Teachers
144 teachers
Year Founded
1961
Colors
Grey, Scarlet
School Calendar
School Rankings
Mundelein Cons 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 Mundelein Cons High School is 0.61, 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
#1233 out of 3542 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
27%
27%
Reading/Language Arts Test Scores (% Proficient)
34%
30%
Science Test Scores (% Proficient)
61%
50%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
4%
6%
Hispanic
50%
29%
Black
2%
16%
White
38%
45%
Hawaiian
n/a
n/a
Two or more races
6%
4%
All Ethnic Groups
Graduation Rate
88%
87%
Eligible for Free Lunch
28%
43%
Eligible for Reduced Lunch (14-15)
4%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Mustang
Frequently Asked Questions
What is Mundelein Cons High School's ranking?
Mundelein Cons High School is ranked #1233 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Mundelein Cons High School often compared to?
Mundelein Cons High Schoolis often viewed alongside schools like Adlai E Stevenson High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
27% of students have achieved math proficiency (compared to the 27% IL state average), while 34% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Mundelein Cons High School?
The graduation rate of Mundelein Cons High School is 88%, which is higher than the Illinois state average of 87%.
How many students attend Mundelein Cons High School?
2,282 students attend Mundelein Cons High School.
What is the racial composition of the student body?
50% of Mundelein Cons High School students are Hispanic, 38% of students are White, 6% of students are Two or more races, 4% of students are Asian, and 2% of students are Black.
What is the student-teacher ratio of Mundelein Cons High School?
Mundelein Cons High School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Mundelein Cons High School offer ?
Mundelein Cons High School offers enrollment in grades 9-12
What school district is Mundelein Cons High School part of?
Mundelein Cons High School is part of Mundelein Cons HSD 120 School District.
School Reviews
Review Mundelein Cons 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
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
