Castaic High (William S. Hart Union High SCH DIST.), California - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Castaic High is a High in Castaic, CA. It currently serves 1193 students (grades 09-12). The school is part of the William S. Hart Union High 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 William S. Hart Union High School District and all schools in California.

Other Details

School Type: Regular School
School Level: High
Number of Students:1193
Number of Teachers: 58
Student/Teacher Ratio: 20.59

Location Info

Location: 31575 Valley Creek Rd., Castaic, CA 91384
Mailing Address: 31575 Valley Creek Rd., Castaic, CA 91384
Phone: (661)888-6288
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 10 259
Grade 11 284
Grade 12 348
Grade 7 3
Grade 8 5
Grade 9 294
Gender/Sex of Castaic High Student Population
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Gender Population Percent of Population (%)
Male 637 53.40
Female 555 46.52
Race/Ethnicity Demography of Castaic High Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 3 0.25
Asian 94 7.88
Black or African American 56 4.69
Hispanic/Latino 530 44.43
Native Hawaiian or Other Pacific Islander 4 0.34
Two or more races 56 4.69
White 449 37.64
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 46 7.22
Black or African American 33 5.18
Hispanic/Latino 287 45.06
Native Hawaiian or Other Pacific Islander 3 0.47
Two or more races 28 4.40
White 238 37.36
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.18
Asian 48 8.65
Black or African American 23 4.14
Hispanic/Latino 243 43.78
Native Hawaiian or Other Pacific Islander 1 0.18
Two or more races 28 5.05
White 211 38.02

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 2 0.77
Asian 25 9.65
Black or African American 7 2.70
Hispanic/Latino 129 49.81
Two or more races 10 3.86
White 86 33.21
Grade 11 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 28 9.86
Black or African American 15 5.28
Hispanic/Latino 141 49.65
Two or more races 11 3.87
White 88 30.99
Grade 12 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.29
Asian 23 6.61
Black or African American 17 4.89
Hispanic/Latino 132 37.93
Native Hawaiian or Other Pacific Islander 3 0.86
Two or more races 19 5.46
White 153 43.97
Grade 7 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
White 3 100.00
Grade 8 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Hispanic/Latino 3 60.00
Two or more races 1 20.00
White 1 20.00
Grade 9 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 18 6.12
Black or African American 17 5.78
Hispanic/Latino 125 42.52
Native Hawaiian or Other Pacific Islander 1 0.34
Two or more races 15 5.10
White 118 40.14