Colony High School

3850 E. Riverside Dr.
Ontario, CA 91761
(School attendance zone shown in map)
9/
10
Top 20%
Serving 2,134 students in grades 9-12, Colony High School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%) .
The percentage of students achieving proficiency in math is 40-44% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 67% (which is higher than the California state average of 49%).
The student:teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 92% 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: 2,134 students
  • Student:Teacher Ratio: 24:1
  • Minority Enrollment: 92%
  • : 87% (Top 50% in CA)
  • : Top 20%
  • : 40-44% (Top 50%)
  • : 67% (Top 20%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Colony High School ranks among the top 20% of public schools in California for:

Category
Attribute

School Overview

Colony High School's student population of 2,134 students has stayed relatively flat over five school years.
The teacher population of 89 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,134 students
This chart display total students of Colony High School by year, with the latest 2021-22 school year data.
Gender %
This chart display gender of Colony High School
Total Classroom Teachers
89 teachers
This chart display the total teachers of Colony High School by year, with the latest 2021-22 school year data.
Students by Grade
This chart display the students of Colony High School by grade.

School Rankings

Colony High School ranks within the top 20% of all 3,649 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Colony High School is 0.47, 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.
Definition of Terms 2021-2022 School Year Data
This School
State Level (CA)
#705 out of 3649 schools
(Top 20%)
This chart display the overall school rank of Colony High School, with the latest 2020-21 school year data.
40-44%
34%
This chart display 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 2020-21 school year data.
67%
49%
This chart display 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 2020-21 school year data.
Student : Teacher Ratio
24:1
21:1
This chart display the student teacher ratio of Colony 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 Colony High School and percentage of American Indian public school students in California by year, with the latest 2003-04 school year data.
Asian
7%
12%
This chart display the percentage of Asian students in Colony High School and the percentage of Asian public school students in California by year, with the latest 2021-22 school year data.
Hispanic
72%
56%
This chart display the percentage of Hispanic students in Colony High School and the percentage of Hispanic public school students in California by year, with the latest 2021-22 school year data.
Black
9%
5%
This chart display the percentage of Black students in Colony High School and the percentage of Black public school students in California by year, with the latest 2021-22 school year data.
White
8%
21%
This chart display the percentage of White students in Colony High School and the percentage of White public school students in California by year, with the latest 2021-22 school year data.
Hawaiian
1%
n/a
This chart display 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
3%
5%
This chart display 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 2021-22 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Colony High School.
This chart display the percentage breakdown of public school students of all ethnic groups in CA.
0.47
This chart display the diversity score of Colony High School and the public school average diversity score of California by year, with the latest 2021-22 school year data.
87%
84%
This chart display graduation rate of Colony High School and public school graduation rate of California by year, with the latest 2020-21 school year data.
Eligible for Free Lunch
55%
51%
This chart display 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 2021-22 school year data.
Eligible for Reduced Lunch
20%
7%
This chart display 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 2021-22 school year data.
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Colony High School's ranking?
Colony High School is ranked #705 out of 3,649 schools, which ranks it among the top 20% of public schools in California.
What schools are Colony High School often compared to?
Colony High Schoolis often viewed alongside schools like Chaffey High School, Wilmer Amina Carter High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 34% CA state average), while 67% of students have achieved reading proficiency (compared to the 49% CA state average).
What is the graduation rate of Colony High School?
The graduation rate of Colony High School is 87%, which is higher than the California state average of 84%.
How many students attend Colony High School?
2,134 students attend Colony High School.
What is the racial composition of the student body?
72% of Colony High School students are Hispanic, 9% of students are Black, 8% of students are White, 7% of students are Asian, 3% of students are Two or more races, and 1% of students are Hawaiian.
What is the student:teacher ratio of Colony High School?
Colony High School has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Colony High School offer ?
Colony High School offers enrollment in grades 9-12
What school district is Colony High School part of?
Colony High School is part of Chaffey Joint Union High School District.

School Reviews

5   1/11/2010
Excellent school. Students well-involved in sports, and love to show school spirit(:
- Posted by Student/Alumni - taryn

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Quick Stats (2024)

  • Grades: 9-12
  • Enrollment: 2,134 students
  • Student:Teacher Ratio: 24:1
  • Minority Enrollment: 92%
  • : 87% (Top 50%)
  • : Top 20%
  • : 40-44% (Top 50%)
  • : 67% (Top 20%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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