Diamond Bar High School

Diamond Bar High School

Public High School | Grade 9-12
21400 Pathfinder Rd,  Diamond Bar, CA
Walnut Valley Unified School District
3.9
2.1
2,532 Students
A+
Niche Grade

School Details

Head of School
Denis Paul
Student Teacher Ratio
25:1
Average SAT Score
1370
Average ACT Score
31
Math Proficiency
70%
Reading Proficiency
78%
Average GPA
3.68
Graduation Rate
97%

Niche Grade

A+
Academics
A-
Teachers
A
College Prep
B+
Administration
B-
Resources/Facilities
B+
Clubs and Activities
B-
Sports
C+
Food
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.68
Reading Proficiency
78%
Math Proficiency
70%
Teachers
Student Teacher Ratio
25:1
Teachers
100
Full Time Teachers
100
Teachers in First or Second Year
14%
College Prep
Average SAT
1370
Math
700
Verbal
670
Average ACT
31
Math
31
English
32
Reading
32
Science
30
Number of AP Courses
26
AP Pass Rate
87.2%
AP Math Enrollment
Very High
AP Science Enrollment
Very High
Other AP Enrollment
Very Low
Clubs and Activities
Girls Athletic Participation
Low
Boys Athletic Participation
Average

GreatSchools Rating

Source: GreatSchools
GreatSchools Rating
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology

GreatSchools Rating Details

Test Scores

Math
39.4%
State Average
17.9%
Science
20.1%
State Average
9.9%
GreatSchools Test Scores Rating
GreatSchools
The Test Score Rating reflects annual state test results for this school compared with scores statewide.

Teachers and Staff

Students Per Counselor
283:1

Student Diversity

Male
52.1%
Female
47.9%
Asian or Pacific Islander
68.1%
Hispanic
18.5%
White
6.5%
Two or more races
4.1%
Black
2.2%
Native Hawaiian or Other Pacific Islander
<1%

School Rankings

#12 Best Magnet HS in California
#80 Best College Prep Public HS in California
#89 Best Public HS in California
Source: Niche

Specialty School Programs

AP Programs Offered
IB Programs Offered
Free/Reduced Lunch Offered
Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
University of California - Los Angeles 1,060 Students
University of California - Irvine 909 Students
University of California - San Diego 819 Students
University of California - Berkeley 754 Students
University of Southern California 688 Students
University of California - Santa Barbara 450 Students
University of California - Davis 430 Students
California State University, Fullerton 424 Students
University of California - Riverside 392 Students
California State Polytechnic University - Pomona 385 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Biology 353 Students
Business 306 Students
Psychology 266 Students
Computer Science 170 Students
Nursing 142 Students
Pre-Medicine Studies 126 Students
Biochemistry and Molecular Biology 107 Students
Economics 100 Students
Engineering 86 Students
Chemistry 81 Students

This School’s Reviews

Niche Reviews
3.9 720 Reviews
5.0 Senior
4/21/2025
Diamond Bar High School has been my home for the past 4 years. It holds many memories for myself and others. You get to join our Grammy winning music program or our many D-1 sports like Golf and Badminton. I would like to see better school food because yes its free but, some days its not enough food for a average high schooler. I was able to be apart of the color guard here and, its the largest in all of Southern California. I have done many hard classes and with a school thats built like a college I know I'll be ready for college.
4.0 Senior
10/22/2024
We just got our new science and music building. I am glad I have opportunity to enjoy the faculties before my graduation. My dad also went there so we both see the school district has invested a lot of money to improve our education.
5.0 Junior
7/23/2024
DBHS is an amazing school with a large campus, the education is great and is accompanied by amazing teachers who (for the most part) teach thoroughly
GreatSchools Reviews
2.1 24 Reviews
1.0 student
10/17/2025
I'm currently going to graduate in the year 2027. As a junior, I have to say that the only thing this school does is making you feel awful about yourself and emotionally numb nearly all the time. First, the environment, is completely competitive as many kids are taking AP Classes in and out of the s...
1.0 parent
5/7/2025
Kurt Davies has identified himself as this schools athletic director at a softball game. I saw him yelling at the coach of another school and belittling her for being a female. And he said she’s “just a special education teacher.” A man this disrespectful to women and rude to those with special need...
1.0 parent
4/20/2023
Filled with academic dishonesty and GLC's are doing nothing about it.
5.0 parent
10/27/2022
DBHS is a very good school, my daughter real learns a lot from this school, and make a lot of friends, the teacher here all very helpful and nice ,

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Diamond Bar High School is a public school for students in grades 9-12 in Diamond Bar, CA, in the Diamond Bar neighborhood, and is served by the Walnut Valley Unified School District in California. Annual tuition is $0. The school has a total enrollment of 2,532 and maintains a student-teacher ratio of 25:1. Academic records show that 70% of students achieve proficiency in math, and 78% are proficient in reading. Diamond Bar High School has received feedback and ratings, with a Niche grade of A+ and a GreatSchools Rating of 10 out of 10. The average GPA is 3.68, the graduation rate is 97%, and average standardized test scores include an SAT score of 1370 and an ACT score of 31. The average home value in this area is $1,129,481. Discover additional schools in the area, like John A. Rowland High School, Nogales High School, Walnut High School, and more. Learn more about what Diamond Bar has to offer, and browse homes for sale and for rent near Diamond Bar High School.

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