麻豆果冻传媒

Castle Rock Elementary School

2975 Castle Rock Rd.
Diamond Bar, CA 91765
(School attendance zone shown in map)
10/
10
Top 10%
Serving 691 students in grades Kindergarten-5, Castle Rock Elementary School ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 71% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 71% (which is higher than the California state average of 47%).
The student:teacher ratio of 27:1 is higher than the California state level of 21:1.
Minority enrollment is 96% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic and Asian).

Quick Stats (2025)

  • Grades: Kindergarten-5
  • Enrollment: 691 students
  • Student:Teacher Ratio: 27:1
  • Minority Enrollment: 96%
  • : Top 10% in CA
  • : 71% (Top 10%)
  • : 71% (Top 20%)
  • : 60-64% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education
<麻豆果冻传媒 class="so-dt-title" id="top-rankings">Top Rankings

Castle Rock Elementary School ranks among the top 20% of public schools in California for:

<麻豆果冻传媒 class='so-dt-title' id="overview">School Overview
Castle Rock Elementary School's student population of 691 students has stayed relatively flat over five school years.
The teacher population of 26 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
691 students
This chart displays total students of Castle Rock Elementary School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Castle Rock Elementary School
Total Classroom Teachers
26 teachers
This chart displays the total teachers of Castle Rock Elementary School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Castle Rock Elementary School by grade.
<麻豆果冻传媒 class='so-dt-title' id="school-rankings">School Rankings
Castle Rock Elementary School ranks within the top 10% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Castle Rock Elementary School is 0.48, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#877 out of 9602 schools
(Top 10%)
This chart displays the overall school rank of Castle Rock Elementary School, with the latest 2021-22 school year data.
71%
33%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Castle Rock Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
71%
47%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Castle Rock Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
60-64%
29%
Student : Teacher Ratio
27:1
21:1
This chart displays the student teacher ratio of Castle Rock Elementary School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
This chart displays the percentage of American Indian students in Castle Rock Elementary School and percentage of American Indian public school students in California by year, with the latest 2010-11 school year data.
Asian
70%
12%
This chart displays the percentage of Asian students in Castle Rock Elementary School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
Hispanic
18%
56%
This chart displays the percentage of Hispanic students in Castle Rock Elementary School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
1%
5%
This chart displays the percentage of Black students in Castle Rock Elementary School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
White
4%
20%
This chart displays the percentage of White students in Castle Rock Elementary School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
1%
n/a
Two or more races
6%
6%
This chart displays the percentage of students of two or more races in Castle Rock Elementary School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Castle Rock Elementary School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.48
This chart displays the diversity score of Castle Rock Elementary School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
Eligible for Free Lunch
27%
54%
This chart displays the percentage of students who is eligible for free lunch in Castle Rock Elementary School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
1%
8%
This chart displays the percentage of students who is eligible for reduced lunch in Castle Rock Elementary School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
School Statewide Testing
Source: National Center for Education Statistics (NCES), CA Dept. of Education
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
What is Castle Rock Elementary School's ranking?
Castle Rock Elementary School is ranked #877 out of 9,602 schools, which ranks it among the top 10% of public schools in California.
What schools are Castle Rock Elementary School often compared to?
Castle Rock Elementary Schoolis often viewed alongside schools like Evergreen Elementary School, Maple Hill Elementary School, Quail Summit Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
71% of students have achieved math proficiency (compared to the 33% CA state average), while 71% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Castle Rock Elementary School?
691 students attend Castle Rock Elementary School.
What is the racial composition of the student body?
70% of Castle Rock Elementary School students are Asian, 18% of students are Hispanic, 6% of students are Two or more races, 4% of students are White, 1% of students are Black, and 1% of students are Hawaiian.
What is the student:teacher ratio of Castle Rock Elementary School?
Castle Rock Elementary School has a student ration of 27:1, which is higher than the California state average of 21:1.
What grades does Castle Rock Elementary School offer ?
Castle Rock Elementary School offers enrollment in grades Kindergarten-5
What school district is Castle Rock Elementary School part of?
Castle Rock Elementary School is part of Walnut Valley Unified School District.

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Quick Stats (2025)

  • Grades: Kindergarten-5
  • Enrollment: 691 students
  • Student:Teacher Ratio: 27:1
  • Minority Enrollment: 96%
  • : Top 10%
  • : 71% (Top 10%)
  • : 71% (Top 20%)
  • : 60-64% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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