Chaffey High School

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Chaffey High School

Public High School | Grade 9-12
1245 N Euclid Ave,  Ontario, CA
Chaffey Joint Union High School District
3.9
4.1
3,127 Students
B
Niche Grade

School Details

Head of School
George Matamala
Student Teacher Ratio
23:1
Average SAT Score
1090
Average ACT Score
24
Math Proficiency
21%
Reading Proficiency
59%
Average GPA
3.48
Graduation Rate
84%

Niche Grade

B-
Academics
A-
Teachers
B-
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
3.48
Reading Proficiency
59%
Math Proficiency
21%
Teachers
Student Teacher Ratio
23:1
Teachers
134
Full Time Teachers
134
Teachers in First or Second Year
6.5%
College Prep
Average SAT
1090
Math
530
Verbal
560
Average ACT
24
Math
23
English
23
Reading
25
Science
24
Number of AP Courses
14
AP Pass Rate
58.7%
AP Math Enrollment
Low
AP Science Enrollment
Low
Other AP Enrollment
Very Low
Clubs and Activities
Girls Athletic Participation
Low
Boys Athletic Participation
Low

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
7.1%
State Average
19.4%
Science
3.3%
State Average
11.2%
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
481:1

Student Diversity

Male
50.9%
Female
49%
Hispanic
88.9%
Black
3.2%
White
2.8%
Asian
2%
Two or more races
<1%
Filipino
<1%
Native American
<1%
Pacific Islander
<1%

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 456 Students
California State Polytechnic University - Pomona 427 Students
University of California - Irvine 354 Students
California State University, San Bernardino 348 Students
California State University, Fullerton 306 Students
University of California - San Diego 305 Students
University of California - Berkeley 289 Students
Chaffey College 284 Students
University of La Verne 276 Students
University of Southern California 261 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Psychology 178 Students
Biology 131 Students
Business 122 Students
Nursing 107 Students
Criminal Justice and Law Enforcement Administration 69 Students
Criminology 61 Students
English 57 Students
Political Science and Government 53 Students
Pre-Medicine Studies 51 Students
Computer Science 50 Students

This School’s Reviews

Niche Reviews
3.9 585 Reviews
5.0 Alum
8/12/2025
Chaffey is an amazing school that appreciates the arts. From its well-known GWS stadium, Chaffey made me feel at home, surrounded by the arts. From taking Drama 1 my freshman year, I knew that I wanted to pursue a career in the arts. In my junior and senior years, I took filmmaking, which is my intended career path in college.
4.0 Senior
3/1/2025
My experience in chaffey high school is a really cool story for me especially that I have so many experiences and events that I have done or have. Many things about this school is that there are so many different cultures in our school that are involved in different clubs and our campus is so diverse and densely populated with many students. I really enjoyed my experience in chaffey and with my new found confidence to go to college and know what I'm going to do with my career and life.
4.0 Senior
9/24/2024
The best part of my experience is my involvement at this school. If one is not involved, they would most likely say this school is boring. However, that is not the truth. Chaffey wanted students to be involved and it is their decision to have fun or not.
GreatSchools Reviews
4.1 7 Reviews
5.0 student
4/11/2026
I love this high school I feel like all the teachers are nice and funny and if you need help they have it. They also are ROP which helps with your career choices and gives you the experiences. They also have Duel enrollment for kids who want to get some college credits up and be prepared. They have...
5.0 student
8/4/2022
Attending this school was the best thing to happen because they really push the need for you to graduate teachers are very listening and push you for at least st a c
3.0 parent
2/23/2022
Not bad just struggled with anxiety and depression during my time there so it was hard
5.0 parent
9/22/2018
Chaffey High School is an outstanding school, and in my opinion, one of the best high schools in the area. The school leadership, under Mrs. Martinez, is outstanding with administrators who truly care about the safety of students and preparing them for college and careers. The Saturday School progra...

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Chaffey High School is a public school for students in grades 9-12 in Ontario, CA and is served by the Chaffey Joint Union High School District in California. Annual tuition is $0. The school has a total enrollment of 3,127 and maintains a student-teacher ratio of 23:1. Academic records show that 21% of students achieve proficiency in math, and 59% are proficient in reading. Chaffey High School has received feedback and ratings, with a Niche grade of B and a GreatSchools Rating of 4 out of 10. The average GPA is 3.48, the graduation rate is 84%, and average standardized test scores include an SAT score of 1090 and an ACT score of 24. The average home value in this area is $669,297. Discover additional schools in the area, like Hillside High School, Upland High School, Montclair High School, and more. Learn more about what Ontario has to offer, and browse homes for sale and for rent near Chaffey High School.

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