Public School Review - Established 2003

Chaffey High School vs. Colony High School

Should you attend Chaffey High School or Colony High School? Visitors to our site frequently compare these two schools. Compare their rankings, test scores, reviews and more to help you determine which school is the best choice for you.

School Overview

School
Chaffey High School
1245 North Euclid Ave.
Ontario, CA 91762
: 
5/
10
Bottom 50%
Colony High School
3850 East Riverside Dr.
Ontario, CA 91761
: 
7/
10
Top 50%
Overview
Serving 3,223 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 24:1 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 80% (majority Hispanic).
Serving 2,085 students in grades 9-12, Colony High School ranks in the top 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 25% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the California state average of 47%).
The student:teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 93% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Grades Offered
9-12
9-12
Total Students
3,223 students
2,085 students
This chart displays total students of Chaffey High School by year, with the latest 2022-23 school year data.
This chart displays total students of Colony High School by year, with the latest 2022-23 school year data.
% Male | % Female
51% | 49%
53% | 47%
This chart displays gender of Chaffey High School
This chart displays gender of Colony High School
Total Classroom Teachers
135 teachers
87 teachers
This chart displays the total teachers of Chaffey High School by year, with the latest 2022-23 school year data.
This chart displays the total teachers of Colony High School by year, with the latest 2022-23 school year data.
Student : Teacher Ratio
24:1
24:1
This chart displays the student teacher ratio of Chaffey High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
This chart displays the student teacher ratio of Colony High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.

Test Scores

#5234 out of 9602 schools in CA
(Bottom 50%)
#3556 out of 9602 schools in CA
(Top 50%)
This chart displays the overall school rank of Chaffey High School, with the latest 2021-22 school year data.
This chart displays the overall school rank of Colony High School, with the latest 2021-22 school year data.
15%
(Bottom 50% in CA)
25%
(Bottom 50% in CA)
This chart displays 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.
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Colony 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%
(Top 30% in CA)
62%
(Top 30% in CA)
This chart displays 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.
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Colony 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%
(Bottom 50% in CA)
22%
(Bottom 50% in CA)
This chart displays 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.
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Colony 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.
84%
(Bottom 50% in CA)
91%
(Top 50% in CA)
This chart displays graduation rate of Chaffey High School and public school graduation rate of California by year, with the latest 2021-22 school year data.
This chart displays graduation rate of Colony High School and public school graduation rate of California by year, with the latest 2021-22 school year data.

Students by Grade

Students by Grade
This chart displays the students of Chaffey High School by grade.
This chart displays the students of Colony High School by grade.
Grade 9 Students
813
536
Grade 10 Students
802
514
Grade 11 Students
755
522
Grade 12 Students
853
513

Students by Ethnicity

% American Indian
n/a
n/a
This chart displays 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.
This chart displays the percentage of American Indian students in Colony High School and percentage of American Indian public school students in California by year, with the latest 2003-04 school year data.
% Asian
2%
9%
This chart displays the percentage of Asian students in Chaffey High School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of Asian students in Colony High School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
% Hispanic
89%
68%
This chart displays the percentage of Hispanic students in Chaffey High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of Hispanic students in Colony High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
% Black
3%
12%
This chart displays the percentage of Black students in Chaffey High School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of Black students in Colony High School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
% White
4%
7%
This chart displays the percentage of White students in Chaffey High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
This chart displays the percentage of White students in Colony High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
% Hawaiian
n/a
1%
This chart displays 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.
This chart displays the percentage of Hawaiian students in Colony 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%
3%
This chart displays 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 2022-23 school year data.
This chart displays the percentage of students of two or more races in Colony High School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
0.21
0.51
This chart displays the diversity score of Chaffey High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
This chart displays the diversity score of Colony High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.

Additional Information

Eligible for Free Lunch
70%
58%
This chart displays 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 2022-23 school year data.
This chart displays the percentage of students who is eligible for free lunch in Colony High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
11%
14%
This chart displays 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 2022-23 school year data.
This chart displays the percentage of students who is eligible for reduced lunch in Colony High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
 
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