Armstrong Elementary (Pomona Unified SCH DIST.), California - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Armstrong Elementary is a Elementary in Diamond Bar, CA. It currently serves 249 students (grades KG-06). The school is part of the Pomona Unified 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 Pomona Unified School District and all schools in California.

Other Details

School Type: Regular School
School Level: Elementary
Number of Students:249
Number of Teachers: 12
Student/Teacher Ratio: 20.75

Location Info

Location: 22750 Beaverhead Dr., Diamond Bar, CA 91765
Mailing Address: 22750 Beaverhead Dr., Diamond Bar, CA 91765-1566
Phone: (909)397-4563
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 1 36
Grade 2 26
Grade 3 36
Grade 4 25
Grade 5 31
Grade 6 32
Kindergarten 63
Gender/Sex of Armstrong Elementary Student Population
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Gender Population Percent of Population (%)
Male 146 58.64
Female 103 41.37
Race/Ethnicity Demography of Armstrong Elementary Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 36 14.46
Black or African American 14 5.62
Hispanic/Latino 151 60.64
Two or more races 24 9.64
White 24 9.64
Male - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 23 15.75
Black or African American 9 6.16
Hispanic/Latino 85 58.22
Two or more races 13 8.90
White 16 10.96
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 13 12.62
Black or African American 5 4.85
Hispanic/Latino 66 64.08
Two or more races 11 10.68
White 8 7.77

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.
Grade 1 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 3 8.33
Black or African American 1 2.78
Hispanic/Latino 21 58.33
Two or more races 6 16.67
White 5 13.89
Grade 2 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 6 23.08
Black or African American 1 3.85
Hispanic/Latino 10 38.46
Two or more races 4 15.39
White 5 19.23
Grade 3 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 2 5.56
Black or African American 2 5.56
Hispanic/Latino 26 72.22
Two or more races 3 8.33
White 3 8.33
Grade 4 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Asian 5 20.00
Black or African American 4 16.00
Hispanic/Latino 14 56.00
Two or more races 2 8.00
Grade 5 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 3 9.68
Black or African American 1 3.23
Hispanic/Latino 23 74.19
Two or more races 2 6.45
White 2 6.45
Grade 6 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 4 12.50
Black or African American 1 3.13
Hispanic/Latino 24 75.00
Two or more races 3 9.38
Kindergarten - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Asian 13 20.64
Black or African American 4 6.35
Hispanic/Latino 33 52.38
Two or more races 4 6.35
White 9 14.29