Serving 2,134 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 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%
- Graduation Rate: 91% (Top 50% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 25% (Btm 50%)
- Reading Proficiency: 62% (Top 30%)
- Science Proficiency: 22% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
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
Gender %
Total Classroom Teachers
89 teachers
Students by Grade
School Rankings
Colony High School ranks within the top 50% of all 9,602 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.
Overall Testing Rank
#3556 out of 9602 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
25%
33%
Reading/Language Arts Test Scores (% Proficient)
62%
47%
Science Test Scores (% Proficient)
22%
29%
Student : Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
7%
12%
Hispanic
72%
56%
Black
9%
5%
White
8%
21%
Hawaiian
1%
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
91%
87%
Eligible for Free Lunch
55%
51%
Eligible for Reduced Lunch
20%
7%
School Statewide Testing
School District Name
Source: 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 #3556 out of 9,602 schools, which ranks it among the top 50% 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?
25% of students have achieved math proficiency (compared to the 33% CA state average), while 62% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Colony High School?
The graduation rate of Colony High School is 91%, which is higher than the California state average of 87%.
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.
In what neighborhood is Colony High School located?
Colony High School is located in the Ontario Ranch neighborhood of Ontario, CA. There are 1 other public schools located in Ontario Ranch.
School Reviews
5 1/11/2010
Excellent school. Students well-involved in sports, and love to show school spirit(:
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