Diamond Ranch High School

Diamond Ranch High School

Public High School | Grade 9-12
100 Diamond Ranch Rd,  Pomona, CA
Pomona Unified School District
3.7
4.0
1,567 Students
A-
Niche Grade

School Details

Head of School
Suzanne Steinseifer-ripley
Student Teacher Ratio
23:1
Average SAT Score
1120
Average ACT Score
24
Math Proficiency
27%
Reading Proficiency
65%
Average GPA
3.57
Graduation Rate
97%

Niche Grade

B+
Academics
A-
Teachers
B+
College Prep
C+
Administration
C
Resources/Facilities
C
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
3.57
Reading Proficiency
65%
Math Proficiency
27%
Teachers
Student Teacher Ratio
23:1
Teachers
69
Full Time Teachers
69
Teachers in First or Second Year
5.6%
College Prep
Average SAT
1120
Math
550
Verbal
570
Average ACT
24
Math
23
English
24
Reading
25
Science
23
Number of AP Courses
18
AP Pass Rate
54.4%
AP Math Enrollment
Very High
AP Science Enrollment
High
Other AP Enrollment
High
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
9.4%
State Average
17.9%
Science
5.5%
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
313:1

Student Diversity

Male
51.4%
Female
48.6%
Hispanic
75.3%
Asian or Pacific Islander
10.9%
Black
5.7%
White
4.8%
Two or more races
3%
Native Hawaiian or Other Pacific Islander
<1%
Native American
<1%

School Rankings

#116 Niche Standout 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 422 Students
University of California - Irvine 383 Students
California State Polytechnic University - Pomona 347 Students
California State University, Fullerton 306 Students
University of California - San Diego 299 Students
University of Southern California 253 Students
University of California - Berkeley 246 Students
San Diego State University 197 Students
California State University - Long Beach 191 Students
Mt. San Antonio College 182 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Biology 168 Students
Psychology 153 Students
Business 141 Students
Nursing 110 Students
Criminology 58 Students
Kinesiology and Exercise Science 54 Students
Computer Science 53 Students
Criminal Justice and Law Enforcement Administration 48 Students
Pre-Medicine Studies 42 Students
Biochemistry and Molecular Biology 39 Students

This School’s Reviews

Niche Reviews
3.7 556 Reviews
5.0 Senior
2/24/2025
My name is Melissa Franco and I have been enrolled at Diamond Ranch High School for all four years. My experience here has been really good. The teachers I have had are amazing good communication and teaching skills. I have learned a lot here in this school. We have a career center that helps students with everything mostly colleges as well. Sports and extracurricular activities are awesome as well I played girl's soccer all four years and it's been a good experience. We won CIF and State last year it was a fun experience. All staff here are amazing even security.
4.0 Senior
2/3/2025
Diamond Ranch High School was an amazing school overall. It helped me grow as a person with many resources and teachers. It's students are also amazing and I was surrounded by good people all my years.
4.0 Alum
8/24/2024
My time at Diamond Ranch High School was full of sport commitments as well as academic ones. I can specifically vouch that Diamond Ranch has an amazing AP and Dual Enrollment program that prepares their students for college. From the coaches to the professors, they encourage their students to excel in their programs.
GreatSchools Reviews
4.0 25 Reviews
1.0 parent
5/16/2025
The dismissal of the students suck. The principal doesn't do anything about it.
5.0 other
11/19/2021
Dedicated teachers with advanced curriculums that gear toward UC systems.
1.0 parent
3/4/2018
The teachers at this school are horriable and to top it off they say one thing and do another. They have no integrity. The leadership is worse. It's very sad.
5.0 student
6/17/2016
I like the rally and football games We are DR The teacher are greathe example I love this school

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Diamond Ranch High School is a public school for students in grades 9-12 in Pomona, CA, in the Diamond Bar neighborhood, and is served by the Pomona Unified School District in California. The school has a total enrollment of 1,567 and maintains a student-teacher ratio of 23:1. Academic records show that 27% of students achieve proficiency in math, and 65% are proficient in reading. Diamond Ranch High School has received feedback and ratings, with a Niche grade of A- and a GreatSchools Rating of 8 out of 10. The average GPA is 3.57, the graduation rate is 97%, and average standardized test scores include an SAT score of 1120 and an ACT score of 24. The average home value in this area is $698,844. Discover additional schools in the area, like Fremont Academy of Engineering and Design, Garey High School, Ruben S. Ayala High School, and more. Learn more about what Pomona has to offer, and browse homes for sale and for rent near Diamond Ranch High School.

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