Crystal Lake Central High School serves 1,545 students in grades 9-12.
Crystal Lake Central High School placed in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 50%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 34% (which is higher than the Illinois state average of 28%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is 35% (which is higher than the Illinois state average of 32%) for the 2020-21 school year.
The student:teacher ratio of 17:1 is higher than the Illinois state level of 14:1.
Minority enrollment is 32% of the student body (majority Hispanic), which is lower than the Illinois state average of 53% (majority Hispanic).
Quick Stats (2023-24)
- Grades: 9-12
- Enrollment: 1,545 students
- Student:Teacher Ratio: 17:1
- Minority Enrollment: 32%
- Graduation Rate: 96% (Top 5% in IL)
- Overall Testing Rank: Top 30%
- Math Proficiency: 34% (Top 30%)
- Reading Proficiency: 35% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Crystal Lake Central High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Graduation Rate
School Overview
Crystal Lake Central High School's student population of 1,545 students has stayed relatively flat over five school years.
The teacher population of 93 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
1,545 students
Gender %
Total Classroom Teachers
93 teachers
Students by Grade
School Calendar
School Rankings
Crystal Lake Central High School is ranked within the top 30% of all 3,663 schools in Illinois (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Crystal Lake Central High School is 0.47, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1071 out of 3663 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
34%
28%
Reading/Language Arts Test Scores (% Proficient)
35%
32%
Student : Teacher Ratio
17:1
14:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
26%
27%
Black
2%
17%
White
68%
47%
Hawaiian
n/a
n/a
Two or more races
1%
4%
All Ethnic Groups
Graduation Rate
(17-18)96%
87%
Eligible for Free Lunch
21%
43%
Eligible for Reduced Lunch
6%
4%
School Statewide Testing
School District Name
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Crystal Lake Central High School's ranking?
Crystal Lake Central High School is ranked #1071 out of 3,663 schools, which ranks it among the top 30% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
34% of students have achieved math proficiency (compared to the 28% IL state average), while 35% of students have achieved reading proficiency (compared to the 32% IL state average).
What is the graduation rate of Crystal Lake Central High School?
The graduation rate of Crystal Lake Central High School is 96%, which is higher than the Illinois state average of 87%.
How many students attend Crystal Lake Central High School?
1,545 students attend Crystal Lake Central High School.
What is the racial composition of the student body?
68% of Crystal Lake Central High School students are White, 26% of students are Hispanic, 3% of students are Asian, 2% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Crystal Lake Central High School?
Crystal Lake Central High School has a student ration of 17:1, which is higher than the Illinois state average of 14:1.
What grades does Crystal Lake Central High School offer ?
Crystal Lake Central High School offers enrollment in grades 9-12
What school district is Crystal Lake Central High School part of?
Crystal Lake Central High School is part of CHSD 155 School District.
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