Lake Zurich High School, LZHS, or Lake Zurich Senior High School is a public four-year high school located in Lake Zurich, Illinois, a northwest suburb of Chicago, in the United States.
Serving 1,839 students in grades 9-12, Lake Zurich High School ranks in the top 10% of all schools in Illinois for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 55% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 60% (which is higher than 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 23% of the student body (majority Asian and Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 1,839 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 23%
- Graduation Rate: 96% (Top 5% in IL)
- Overall Testing Rank: Top 10%
- Math Proficiency: 55% (Top 10%)
- Reading Proficiency: 60% (Top 10%)
- Science Proficiency: 53% (Top 50%)
- Attendance Zone: Lake Zurich High School's attendance zone encompasses the entire school district in Lake Zurich, IL, covering approximately 20.7 square miles. The typical drive to the school is between 5 to 10 minutes, with an average distance of 2.8 miles to the edge of the zone and a maximum distance of 4.3 miles.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Lake Zurich 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
Graduation Rate
School Overview
Lake Zurich High School's student population of 1,839 students has stayed relatively flat over five school years.
The teacher population of 128 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
1,839 students
Total Classroom Teachers
128 teachers
Year Founded
1926
School Calendar
School Rankings
Lake Zurich 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 Lake Zurich High School is 0.39, 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
#211 out of 3542 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
55%
27%
Reading/Language Arts Test Scores (% Proficient)
60%
30%
Science Test Scores (% Proficient)
53%
50%
Student-Teacher Ratio
14:1
13:1
American Indian
1%
n/a
Asian
10%
6%
Hispanic
9%
29%
Black
1%
16%
White
77%
45%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
96%
87.6%
Chronically Absent Students
(22-23)25.1%
29.7%
Eligible for Free Lunch
13%
43%
Eligible for Reduced Lunch (10-11)
2%
5%
School Statewide Testing
School District Name
Sports
Colors
White, Royal blue
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Lake Zurich High School's ranking?
Lake Zurich High School is ranked #211 out of 3,542 schools, which ranks it among the top 10% of public schools in Illinois.
What schools are Lake Zurich High School often compared to?
Lake Zurich 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?
55% of students have achieved math proficiency (compared to the 27% IL state average), while 60% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Lake Zurich High School?
The graduation rate of Lake Zurich High School is 96%, which is higher than the Illinois state average of 87.6%.
How many students attend Lake Zurich High School?
1,839 students attend Lake Zurich High School.
What is the racial composition of the student body?
77% of Lake Zurich High School students are White, 10% of students are Asian, 9% of students are Hispanic, 2% of students are Two or more races, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Lake Zurich High School?
Lake Zurich High School has a student ration of 14:1, which is higher than the Illinois state average of 13:1.
What grades does Lake Zurich High School offer ?
Lake Zurich High School offers enrollment in grades 9-12
What school district is Lake Zurich High School part of?
Lake Zurich High School is part of Lake Zurich CUSD 95 School District.
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