Crystal Lake South High School (CHSD 155 SCH DIST.), Illinois - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Crystal Lake South High School is a High in Crystal Lake, IL. It currently serves 1291 students (grades 09-12). The school is part of the CHSD 155 School District.

Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.

You can see similar information for other schools in CHSD 155 School District and all schools in Illinois.

Other Details

School Type: Regular School
School Level: High
Number of Students:1291
Number of Teachers: 75
Student/Teacher Ratio: 17.24

Location Info

Location: 1200 S McHenry Ave, Crystal Lake, IL 60014
Mailing Address: 1200 S McHenry Ave, Crystal Lake, IL 60014-7495
Phone: (815)455-3860
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 10 304
Grade 11 314
Grade 12 352
Grade 9 321
Gender/Sex of Crystal Lake South High School Student Population
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Gender Population Percent of Population (%)
Male 655 50.74
Female 636 49.26
Race/Ethnicity Demography of Crystal Lake South High School Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 4 0.31
Asian 49 3.80
Black or African American 37 2.87
Hispanic/Latino 311 24.09
Two or more races 11 0.85
White 879 68.09
Male - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 2 0.31
Asian 23 3.51
Black or African American 24 3.66
Hispanic/Latino 154 23.51
Two or more races 3 0.46
White 449 68.55
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 2 0.31
Asian 26 4.09
Black or African American 13 2.04
Hispanic/Latino 157 24.69
Two or more races 8 1.26
White 430 67.61

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.
Grade 10 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.33
Asian 9 2.96
Black or African American 6 1.97
Hispanic/Latino 73 24.01
Two or more races 1 0.33
White 214 70.40
Grade 11 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.32
Asian 20 6.37
Black or African American 8 2.55
Hispanic/Latino 79 25.16
Two or more races 2 0.64
White 204 64.97
Grade 12 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 12 3.41
Black or African American 12 3.41
Hispanic/Latino 72 20.45
Two or more races 1 0.28
White 255 72.44
Grade 9 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 2 0.62
Asian 8 2.49
Black or African American 11 3.43
Hispanic/Latino 87 27.10
Two or more races 7 2.18
White 206 64.17