Armstrong Elementary School

22750 Beaverhead Dr.
Diamond Bar, CA 91765
(School attendance zone shown in map)
7/
10
Top 50%
Serving 257 students in grades Kindergarten-6, Armstrong Elementary School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-34% (which is approximately equal to the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the California state average of 47%).
The student:teacher ratio of 18:1 is lower than the California state level of 22:1.
Minority enrollment is 91% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).

Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: Kindergarten-6
  • Enrollment: 257 students
  • Student:Teacher Ratio: 18:1
  • Minority Enrollment: 91%
  • : Top 50% in CA
  • : 30-34% (Top 50%)
  • : 50-54% (Top 50%)
  • : 40-49% (Top 30%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

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

Category
Attribute

School Overview

Armstrong Elementary School's student population of 257 students has declined by 12% over five school years.
The teacher population of 14 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Kindergarten-6
Total Students
257 students
This chart displays total students of Armstrong Elementary School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Armstrong Elementary School
Total Classroom Teachers
14 teachers
This chart displays the total teachers of Armstrong Elementary School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Armstrong Elementary School by grade.

School Rankings

Armstrong Elementary School ranks within the top 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Armstrong Elementary School is 0.57, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#3456 out of 9602 schools
(Top 50%)
This chart displays the overall school rank of Armstrong Elementary School, with the latest 2021-22 school year data.
30-34%
33%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Armstrong 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.
50-54%
47%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Armstrong 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.
40-49%
29%
Student : Teacher Ratio
18:1
22:1
This chart displays the student teacher ratio of Armstrong 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 Armstrong Elementary School and percentage of American Indian public school students in California by year, with the latest 2013-14 school year data.
Asian
12%
12%
This chart displays the percentage of Asian students in Armstrong Elementary School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
Hispanic
63%
55%
This chart displays the percentage of Hispanic students in Armstrong Elementary School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
6%
5%
This chart displays the percentage of Black students in Armstrong Elementary School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
White
9%
21%
This chart displays the percentage of White students in Armstrong Elementary School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
10%
6%
This chart displays the percentage of students of two or more races in Armstrong 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 Armstrong Elementary School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.57
This chart displays the diversity score of Armstrong 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
49%
51%
This chart displays the percentage of students who is eligible for free lunch in Armstrong 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
18%
8%
This chart displays the percentage of students who is eligible for reduced lunch in Armstrong 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 District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Armstrong Elementary School's ranking?
Armstrong Elementary School is ranked #3456 out of 9,602 schools, which ranks it among the top 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 33% CA state average), while 50-54% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Armstrong Elementary School?
257 students attend Armstrong Elementary School.
What is the racial composition of the student body?
63% of Armstrong Elementary School students are Hispanic, 12% of students are Asian, 10% of students are Two or more races, 9% of students are White, and 6% of students are Black.
What is the student:teacher ratio of Armstrong Elementary School?
Armstrong Elementary School has a student ration of 18:1, which is lower than the California state average of 22:1.
What grades does Armstrong Elementary School offer ?
Armstrong Elementary School offers enrollment in grades Kindergarten-6
What school district is Armstrong Elementary School part of?
Armstrong Elementary School is part of Pomona Unified School District.

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Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: Kindergarten-6
  • Enrollment: 257 students
  • Student:Teacher Ratio: 18:1
  • Minority Enrollment: 91%
  • : Top 50%
  • : 30-34% (Top 50%)
  • : 50-54% (Top 50%)
  • : 40-49% (Top 30%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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