St. Johns High (Charleston 01 SCH DIST.), South Carolina - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

St. Johns High is a High in Johns Island, SC. It currently serves 423 students (grades 09-12). The school is part of the Charleston 01 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 Charleston 01 School District and all schools in South Carolina.

Other Details

School Type: Regular School
School Level: High
Number of Students:423
Number of Teachers: 30
Student/Teacher Ratio: 14.10

Location Info

Location: 1518 Main Road, Johns Island, SC 29455
Mailing Address: 1518 Main Road, Johns Island, SC 29455
Phone: (843)559-6200
Website:
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 10 94
Grade 11 107
Grade 12 92
Grade 9 130
Gender/Sex of St. Johns High Student Population
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Gender Population Percent of Population (%)
Male 218 51.54
Female 205 48.46
Race/Ethnicity Demography of St. Johns High Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 2 0.47
Black or African American 164 38.77
Hispanic/Latino 159 37.59
Two or more races 13 3.07
White 85 20.10
Male - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 1 0.46
Black or African American 81 37.16
Hispanic/Latino 78 35.78
Two or more races 6 2.75
White 52 23.85
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 1 0.49
Black or African American 83 40.49
Hispanic/Latino 81 39.51
Two or more races 7 3.42
White 33 16.10

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 (%)
Asian 1 1.06
Black or African American 34 36.17
Hispanic/Latino 36 38.30
Two or more races 4 4.26
White 19 20.21
Grade 11 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Black or African American 46 42.99
Hispanic/Latino 39 36.45
White 22 20.56
Grade 12 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Black or African American 36 39.13
Hispanic/Latino 32 34.78
Two or more races 5 5.44
White 19 20.65
Grade 9 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
Asian 1 0.77
Black or African American 48 36.92
Hispanic/Latino 52 40.00
Two or more races 4 3.08
White 25 19.23