1200 S Mchenry Ave
Crystal Lake, IL 60014
(School attendance zone shown in map)
Rating
8/
10
Top 30%
Crystal Lake South High School serves 1,462 students in grades 9-12.
Crystal Lake South High School placed in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 20%, and reading proficiency is top 30%) for the 2018-19 school year.
The percentage of students achieving proficiency in math is 47% (which is higher than the Illinois state average of 33%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 47% (which is higher than the Illinois state average of 38%) for the 2018-19 school year.
The student:teacher ratio of 18:1 is higher than the Illinois state level of 15:1.
Minority enrollment is 17% of the student body (majority Hispanic), which is lower than the Illinois state average of 52% (majority Hispanic).

Top Rankings

Crystal Lake South High School ranks among the top 20% of public schools in Illinois for:

Category
Attribute

School Overview

Crystal Lake South High School's student population of 1,462 students has stayed relatively flat over five school years.
The teacher population of 83 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,462 students
This chart display total students of Crystal Lake South High School by year, with the latest 2017-18 school year data.
Gender %
This chart display gender of Crystal Lake South High School
Total Classroom Teachers
83 teachers
This chart display the total teachers of Crystal Lake South High School by year, with the latest 2017-18 school year data.
Students by Grade
This chart display the students of Crystal Lake South High School by grade.

School Rankings

Crystal Lake South High School is ranked within the top 30% of all 3,655 schools in Illinois (based off of combined math and reading proficiency testing data) for the 2018-19 school year.
The diversity score of Crystal Lake South High School is 0.30, 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.
Definition of Terms 2017-2018 School Year Data
This School
State Level (IL)
Overall Testing Rank
#824 out of 3655 schools
(Top 30%)
This chart display the overall school rank of Crystal Lake South High School, with the latest 2018-19 school year data.
Math Test Scores (% Proficient)
47%
33%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Crystal Lake South High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Illinois by year, with the latest 2018-19 school year data.
Reading/Language Arts Test Scores (% Proficient)
47%
38%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Crystal Lake South High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Illinois by year, with the latest 2018-19 school year data.
Student : Teacher Ratio
18:1
15:1
This chart display the student teacher ratio of Crystal Lake South High School and the public school average student teacher ratio of Illinois by year, with the latest 2017-18 school year data.
American Indian
n/a
n/a
Asian
2%
5%
This chart display the percentage of Asian students in Crystal Lake South High School and the percentage of Asian public school students in Illinois by year, with the latest 2017-18 school year data.
Hispanic
11%
26%
This chart display the percentage of Hispanic students in Crystal Lake South High School and the percentage of Hispanic public school students in Illinois by year, with the latest 2017-18 school year data.
Black
1%
17%
This chart display the percentage of Black students in Crystal Lake South High School and the percentage of Black public school students in Illinois by year, with the latest 2015-16 school year data.
White
83%
48%
This chart display the percentage of White students in Crystal Lake South High School and the percentage of White public school students in Illinois by year, with the latest 2017-18 school year data.
Hawaiian
n/a
n/a
Two or more races
3%
4%
This chart display the percentage of students of two or more races in Crystal Lake South High School and the percentage of public school students of two or more races in Illinois by year, with the latest 2017-18 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Crystal Lake South High School.
This chart display the percentage breakdown of public school students of all ethnic groups in IL.
Diversity Score
0.30
This chart display the diversity score of Crystal Lake South High School and the public school average diversity score of Illinois by year, with the latest 2017-18 school year data.
Graduation Rate
(17-18)
97%
87%
This chart display graduation rate of Crystal Lake South High School and public school graduation rate of Illinois by year, with the latest 2017-18 school year data.
Eligible for Free Lunch
16%
47%
This chart display the percentage of students who is eligible for free lunch in Crystal Lake South High School and the percentage of public school students who is eligible for free lunch in Illinois by year, with the latest 2017-18 school year data.
Eligible for Reduced Lunch
3%
2%
This chart display the percentage of students who is eligible for reduced lunch in Crystal Lake South High School and the percentage of public school students who is eligible for reduced lunch in Illinois by year, with the latest 2017-18 school year data.
School District Name
Source: 2017-2018 (latest school year available) NCES, IL Dept. of Education

School Reviews

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Quick Stats (2022)

  • Grades: 9-12
  • Students: 1,462 students
  • Student:Teacher Ratio: 18:1
  • Minority Enrollment: 17%
  • Graduation Rate
    : 97% (Top 5% in IL)
  • Overall Testing Rank
    : Top 30%
  • Math Proficiency
    : 47% (Top 20%)
  • Reading Proficiency
    : 47% (Top 30%)
  • Diversity Score
    : 0.30 (Btm 50%)

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