21400 Pathfinder Rd.
Diamond Bar, CA 91765
(School attendance zone shown in map)
Rating
10/
10
Top 10%
Diamond Bar High School serves 2,918 students in grades 9-12.
Diamond Bar High School placed in the top 10% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%) for the 2018-19 school year.
The percentage of students achieving proficiency in math is 73% (which is higher than the California state average of 40%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 80% (which is higher than the California state average of 51%) for the 2018-19 school year.
The student:teacher ratio of 26:1 is higher than the California state level of 23:1.
Minority enrollment is 91% of the student body (majority Asian), which is higher than the California state average of 77% (majority Hispanic and Asian).

Top Rankings

Diamond Bar High School ranks among the top 20% of public schools in California for:

School Overview

Diamond Bar High School's student population of 2,918 students has stayed relatively flat over five school years.
The teacher population of 113 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,918 students
This chart display total students of Diamond Bar High School by year, with the latest 2017-18 school year data.
Gender %
This chart display gender of Diamond Bar High School
Total Classroom Teachers
113 teachers
This chart display the total teachers of Diamond Bar High School by year, with the latest 2017-18 school year data.
Students by Grade
This chart display the students of Diamond Bar High School by grade.

School Rankings

Diamond Bar High School is ranked within the top 10% of all 9,659 schools in California (based off of combined math and reading proficiency testing data) for the 2018-19 school year.
The diversity score of Diamond Bar High School is 0.51, 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.
Definition of Terms 2017-2018 School Year Data
This School
State Level (CA)
Overall Testing Rank
#561 out of 9659 schools
(Top 10%)
This chart display the overall school rank of Diamond Bar High School, with the latest 2018-19 school year data.
Math Test Scores (% Proficient)
73%
40%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Diamond Bar High 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 2018-19 school year data.
Reading/Language Arts Test Scores (% Proficient)
80%
51%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Diamond Bar High 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 2018-19 school year data.
Student : Teacher Ratio
26:1
23:1
This chart display the student teacher ratio of Diamond Bar High School and the public school average student teacher ratio of California by year, with the latest 2017-18 school year data.
American Indian
n/a
1%
Asian
67%
12%
This chart display the percentage of Asian students in Diamond Bar High School and the percentage of Asian public school students in California by year, with the latest 2017-18 school year data.
Hispanic
18%
54%
This chart display the percentage of Hispanic students in Diamond Bar High School and the percentage of Hispanic public school students in California by year, with the latest 2017-18 school year data.
Black
3%
5%
This chart display the percentage of Black students in Diamond Bar High School and the percentage of Black public school students in California by year, with the latest 2017-18 school year data.
White
9%
23%
This chart display the percentage of White students in Diamond Bar High School and the percentage of White public school students in California by year, with the latest 2017-18 school year data.
Hawaiian
1%
1%
This chart display the percentage of Hawaiian students in Diamond Bar High School and the percentage of Hawaiian public school students in California by year, with the latest 2013-14 school year data.
Two or more races
2%
4%
This chart display the percentage of students of two or more races in Diamond Bar High School and the percentage of public school students of two or more races in California by year, with the latest 2017-18 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Diamond Bar High School.
This chart display the percentage breakdown of public school students of all ethnic groups in CA.
Diversity Score
0.51
This chart display the diversity score of Diamond Bar High School and the public school average diversity score of California by year, with the latest 2017-18 school year data.
Graduation Rate
97%
84%
This chart display graduation rate of Diamond Bar High School and public school graduation rate of California by year, with the latest 2018-19 school year data.
Eligible for Free Lunch
17%
53%
This chart display the percentage of students who is eligible for free lunch in Diamond Bar High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2017-18 school year data.
Eligible for Reduced Lunch
2%
7%
This chart display the percentage of students who is eligible for reduced lunch in Diamond Bar High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2017-18 school year data.
Source: 2017-2018 (latest school year available) NCES, CA Dept. of Education

School Reviews

5  
Performing arts program is amazing. Orchestra is #1 in nation.
- Posted by

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Quick Stats (2022)

  • Grades: 9-12
  • Students: 2,918 students
  • Student:Teacher Ratio: 26:1
  • Minority Enrollment: 91%
  • Graduation Rate
    : 97% (Top 5% in CA)
  • Overall Testing Rank
    : Top 10%
  • Math Proficiency
    : 73% (Top 10%)
  • Reading Proficiency
    : 80% (Top 10%)
  • Diversity Score
    : 0.51 (Top 50%)

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