Chaffey High School

1245 N. Euclid Ave.
Ontario, CA 91762
(School attendance zone shown in map)
5/
10
Bottom 50%
Serving 3,360 students in grades 9-12, Chaffey High School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 54% (which is higher than the California state average of 47%).
The student:teacher ratio of 25:1 is higher than the California state level of 21:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).

Quick Stats (2024)

  • Grades: 9-12
  • Enrollment: 3,360 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 96%
  • : 84% (Btm 50% in CA)
  • : Bottom 50%
  • : 15% (Btm 50%)
  • : 54% (Top 30%)
  • : 17% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

Chaffey High School's student population of 3,360 students has stayed relatively flat over five school years.
The teacher population of 132 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
3,360 students
This chart display total students of Chaffey High School by year, with the latest 2021-22 school year data.
Gender %
This chart display gender of Chaffey High School
Total Classroom Teachers
132 teachers
This chart display the total teachers of Chaffey High School by year, with the latest 2021-22 school year data.
Students by Grade
This chart display the students of Chaffey High School by grade.

School Rankings

Chaffey High School ranks within the bottom 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Chaffey High School is 0.21, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#5234 out of 9602 schools
(Bottom 50%)
This chart display the overall school rank of Chaffey High School, with the latest 2021-22 school year data.
15%
33%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Chaffey 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 2021-22 school year data.
54%
47%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Chaffey 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 2021-22 school year data.
17%
29%
This chart display the percentage of students that scored at or above 'proficient' levels in Science of Chaffey High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in California by year, with the latest 2021-22 school year data.
Student : Teacher Ratio
25:1
21:1
This chart display the student teacher ratio of Chaffey High School and the public school average student teacher ratio of California by year, with the latest 2021-22 school year data.
American Indian
n/a
1%
This chart display the percentage of American Indian students in Chaffey High School and percentage of American Indian public school students in California by year, with the latest 1999-00 school year data.
Asian
2%
12%
This chart display the percentage of Asian students in Chaffey High School and the percentage of Asian public school students in California by year, with the latest 2021-22 school year data.
Hispanic
89%
56%
This chart display the percentage of Hispanic students in Chaffey High School and the percentage of Hispanic public school students in California by year, with the latest 2021-22 school year data.
Black
3%
5%
This chart display the percentage of Black students in Chaffey High School and the percentage of Black public school students in California by year, with the latest 2021-22 school year data.
White
4%
21%
This chart display the percentage of White students in Chaffey High School and the percentage of White public school students in California by year, with the latest 2021-22 school year data.
Hawaiian
n/a
n/a
This chart display the percentage of Hawaiian students in Chaffey High School and the percentage of Hawaiian public school students in California by year, with the latest 2010-11 school year data.
Two or more races
2%
5%
This chart display the percentage of students of two or more races in Chaffey High School and the percentage of public school students of two or more races in California by year, with the latest 2021-22 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Chaffey High School.
This chart display the percentage breakdown of public school students of all ethnic groups in California.
0.21
This chart display the diversity score of Chaffey High School and the public school average diversity score of California by year, with the latest 2021-22 school year data.
84%
87%
This chart display graduation rate of Chaffey High School and public school graduation rate of California by year, with the latest 2021-22 school year data.
Eligible for Free Lunch
69%
51%
This chart display the percentage of students who is eligible for free lunch in Chaffey High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2021-22 school year data.
Eligible for Reduced Lunch
12%
7%
This chart display the percentage of students who is eligible for reduced lunch in Chaffey High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2021-22 school year data.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Chaffey High School's ranking?
Chaffey High School is ranked #5234 out of 9,602 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Chaffey High School often compared to?
Chaffey High Schoolis often viewed alongside schools like Colony High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15% of students have achieved math proficiency (compared to the 33% CA state average), while 54% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Chaffey High School?
The graduation rate of Chaffey High School is 84%, which is lower than the California state average of 87%.
How many students attend Chaffey High School?
3,360 students attend Chaffey High School.
What is the racial composition of the student body?
89% of Chaffey High School students are Hispanic, 4% of students are White, 3% of students are Black, 2% of students are Asian, and 2% of students are Two or more races.
What is the student:teacher ratio of Chaffey High School?
Chaffey High School has a student ration of 25:1, which is higher than the California state average of 21:1.
What grades does Chaffey High School offer ?
Chaffey High School offers enrollment in grades 9-12
What school district is Chaffey High School part of?
Chaffey High School is part of Chaffey Joint Union High School District.

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Quick Stats (2024)

  • Grades: 9-12
  • Enrollment: 3,360 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 96%
  • : 84% (Btm 50%)
  • : Bottom 50%
  • : 15% (Btm 50%)
  • : 54% (Top 30%)
  • : 17% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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