Castle Rock Elementary (Walnut Valley Unified SCH DIST.), California - School Profile in 2023-2024 School Year
Updated on August 8, 2025.
Castle Rock Elementary is a Elementary in Diamond Bar, CA. It currently serves 691 students (grades KG-05). The school is part of the Walnut Valley 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 Walnut Valley Unified School District and all schools in California.
Other Details
School Type: Regular School
School Level: Elementary
Number of Students:691
Number of Teachers: 26
Student/Teacher Ratio: 26.13
Location Info
Location: 2975 Castle Rock Rd., Diamond Bar, CA 91765
Mailing Address: 2975 Castle Rock Rd., Diamond Bar, CA 91765-3420
Phone: (909)598-5006
Website: http://www.wvusd.k12.ca.us
Data Source: NCES.
Student Population Per Grade
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| Grade | Population |
|---|---|
| Grade 1 | 98 |
| Grade 2 | 97 |
| Grade 3 | 128 |
| Grade 4 | 129 |
| Grade 5 | 129 |
| Kindergarten | 110 |
Gender/Sex of Castle Rock Elementary Student Population
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| Gender | Population | Percent of Population (%) |
|---|---|---|
| Male | 360 | 52.10 |
| Female | 331 | 47.90 |
Race/Ethnicity Demography of Castle Rock Elementary Student Population
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| American Indian or Alaska Native | 1 | 0.14 |
| Asian | 485 | 70.19 |
| Black or African American | 7 | 1.01 |
| Hispanic/Latino | 128 | 18.52 |
| Native Hawaiian or Other Pacific Islander | 5 | 0.72 |
| Two or more races | 39 | 5.64 |
| White | 26 | 3.76 |
Male - Race/Ethnicity Demography of Student Population
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| American Indian or Alaska Native | 1 | 0.28 |
| Asian | 248 | 68.89 |
| Black or African American | 3 | 0.83 |
| Hispanic/Latino | 72 | 20.00 |
| Native Hawaiian or Other Pacific Islander | 2 | 0.56 |
| Two or more races | 18 | 5.00 |
| White | 16 | 4.44 |
Female - Race/Ethnicity Demography of Student Population
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Asian | 237 | 71.60 |
| Black or African American | 4 | 1.21 |
| Hispanic/Latino | 56 | 16.92 |
| Native Hawaiian or Other Pacific Islander | 3 | 0.91 |
| Two or more races | 21 | 6.34 |
| White | 10 | 3.02 |
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 | 58 | 59.18 |
| Black or African American | 2 | 2.04 |
| Hispanic/Latino | 24 | 24.49 |
| Two or more races | 7 | 7.14 |
| White | 7 | 7.14 |
Grade 2 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Asian | 78 | 80.41 |
| Black or African American | 1 | 1.03 |
| Hispanic/Latino | 14 | 14.43 |
| Two or more races | 2 | 2.06 |
| White | 2 | 2.06 |
Grade 3 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Asian | 89 | 69.53 |
| Black or African American | 2 | 1.56 |
| Hispanic/Latino | 25 | 19.53 |
| Native Hawaiian or Other Pacific Islander | 1 | 0.78 |
| Two or more races | 6 | 4.69 |
| White | 5 | 3.91 |
Grade 4 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| American Indian or Alaska Native | 1 | 0.78 |
| Asian | 95 | 73.64 |
| Hispanic/Latino | 23 | 17.83 |
| Native Hawaiian or Other Pacific Islander | 1 | 0.78 |
| Two or more races | 8 | 6.20 |
| White | 1 | 0.78 |
Grade 5 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Asian | 96 | 74.42 |
| Hispanic/Latino | 18 | 13.95 |
| Native Hawaiian or Other Pacific Islander | 2 | 1.55 |
| Two or more races | 8 | 6.20 |
| White | 5 | 3.88 |
Kindergarten - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Asian | 69 | 62.73 |
| Black or African American | 2 | 1.82 |
| Hispanic/Latino | 24 | 21.82 |
| Native Hawaiian or Other Pacific Islander | 1 | 0.91 |
| Two or more races | 8 | 7.27 |
| White | 6 | 5.46 |
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