Vernon Hills High School, or VHHS, is a public four-year high school located in Vernon Hills, Illinois, a northern suburb of Chicago, Illinois, in the United States. It is part of Community High School District 128, which also includes Libertyville High School. The school is a blue ribbon of excellence school.
Serving 1,480 students in grades 9-12, Vernon Hills High School ranks in the top 10% of all schools in Illinois for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 61% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 56% (which is higher than 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 50% of the student body (majority Asian), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 1,480 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 50%
- Graduation Rate: 96% (Top 5% in IL)
- Overall Testing Rank: Top 10%
- Math Proficiency: 61% (Top 5%)
- Reading Proficiency: 56% (Top 10%)
- Science Proficiency: 76% (Top 10%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Vernon Hills High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Vernon Hills High School's student population of 1,480 students has stayed relatively flat over five school years.
The teacher population of 118 teachers has grown by 14% over five school years.
Grades Offered
Grades 9-12
Total Students
1,480 students
Gender %
Total Classroom Teachers
118 teachers
Year Founded
1999
Colors
Royal blue, Silver
School Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Tue. Jun 30, 2026
School Rankings
Vernon Hills High School ranks within the top 10% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Vernon Hills High School is 0.67, 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
#197 out of 3542 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
61%
27%
Reading/Language Arts Test Scores (% Proficient)
56%
30%
Science Test Scores (% Proficient)
76%
50%
Student-Teacher Ratio
13:1
13:1
American Indian
n/a
1%
Asian
23%
6%
Hispanic
17%
28%
Black
3%
16%
White
50%
45%
Hawaiian
n/a
n/a
Two or more races
7%
4%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
11%
43%
Eligible for Reduced Lunch (11-12)
9%
27%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Cody The Cougar
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Vernon Hills High School's ranking?
Vernon Hills High School is ranked #197 out of 3,542 schools, which ranks it among the top 10% of public schools in Illinois.
What schools are Vernon Hills High School often compared to?
Vernon Hills High Schoolis often viewed alongside schools like Adlai E Stevenson High School, Libertyville High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
61% of students have achieved math proficiency (compared to the 27% IL state average), while 56% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Vernon Hills High School?
The graduation rate of Vernon Hills High School is 96%, which is higher than the Illinois state average of 87%.
How many students attend Vernon Hills High School?
1,480 students attend Vernon Hills High School.
What is the racial composition of the student body?
50% of Vernon Hills High School students are White, 23% of students are Asian, 17% of students are Hispanic, 7% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Vernon Hills High School?
Vernon Hills High School has a student ration of 13:1, which is equal to the Illinois state average of 13:1.
What grades does Vernon Hills High School offer ?
Vernon Hills High School offers enrollment in grades 9-12
What school district is Vernon Hills High School part of?
Vernon Hills High School is part of CHSD 128 School District.
School Reviews
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