San Mateo High (San Mateo Union High SCH DIST.), California - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

San Mateo High is a High in San Mateo, CA. It currently serves 1578 students (grades 09-12). The school is part of the San Mateo 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 San Mateo Union High School District and all schools in California.

Other Details

School Type: Regular School
School Level: High
Number of Students:1578
Number of Teachers: 88
Student/Teacher Ratio: 17.99

Location Info

Location: 506 North Delaware St., San Mateo, CA 94401
Mailing Address: 506 North Delaware St., San Mateo, CA 94401-1700
Phone: (650)558-2399
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 10 360
Grade 11 381
Grade 12 453
Grade 9 384
Gender/Sex of San Mateo High Student Population
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Gender Population Percent of Population (%)
Male 782 49.56
Female 793 50.25
Race/Ethnicity Demography of San Mateo High Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.06
Asian 385 24.40
Black or African American 17 1.08
Hispanic/Latino 778 49.30
Native Hawaiian or Other Pacific Islander 26 1.65
Two or more races 113 7.16
White 255 16.16
Male - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.13
Asian 190 24.30
Black or African American 8 1.02
Hispanic/Latino 394 50.38
Native Hawaiian or Other Pacific Islander 10 1.28
Two or more races 55 7.03
White 124 15.86
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 195 24.59
Black or African American 9 1.14
Hispanic/Latino 384 48.42
Native Hawaiian or Other Pacific Islander 16 2.02
Two or more races 58 7.31
White 131 16.52

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 79 21.94
Black or African American 7 1.94
Hispanic/Latino 179 49.72
Native Hawaiian or Other Pacific Islander 8 2.22
Two or more races 25 6.94
White 59 16.39
Grade 11 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 99 25.98
Black or African American 3 0.79
Hispanic/Latino 179 46.98
Native Hawaiian or Other Pacific Islander 6 1.58
Two or more races 30 7.87
White 64 16.80
Grade 12 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 108 23.84
Black or African American 4 0.88
Hispanic/Latino 239 52.76
Native Hawaiian or Other Pacific Islander 8 1.77
Two or more races 23 5.08
White 71 15.67
Grade 9 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.26
Asian 99 25.78
Black or African American 3 0.78
Hispanic/Latino 181 47.14
Native Hawaiian or Other Pacific Islander 4 1.04
Two or more races 35 9.12
White 61 15.89