publichighGrade 9-12

Colony High

3850 East Riverside Dr., Ontario, CA 91761, United States

+1 (909) 930-2929

http://www.cjuhsd.net

N/A

Overall Rating

Location

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Colony High Overview

About This School

Colony High is a public high in Ontario, California, serving 2,109 students in grades 9-12. The school maintains a staff of 81 teachers with an average salary of $133,492 and a student-teacher ratio of 25:1. To support academic needs, the school provides guidance through a ratio of 421 students per counselor. Students at Colony High are 53% male and 47% female. The student body is composed of 66% Hispanic, 13% Black, 9% Asian, 7% White, and 3% students of two or more races.

2,109

Total Students

Grade 9-12

25:1

Student-Teacher Ratio

81 full-time teachers

Academic Performance

Percentage of students who met or exceeded state standards

English Language Arts0%

Mathematics0%

Science0%

School Information

School Type

public

Grade Levels

Grade 9-12

County

San Bernardino County

Students per Counselor

421:1

Colony High Academics & Test Scores

Test Scores

State assessment results showing percentage of students proficient or above

N/A

English Language Arts

N/A

Mathematics

N/A

Science

Class Information

25:1

Student-Teacher Ratio

City Avg: 20.7:1

State Avg: 20.5:1

421

Students per Counselor

Colony High Teachers & Staff

Teaching Staff

Total Full-Time Teachers

Average Teacher Salary

$133,492

City Avg: $129,987

State Avg: $106,740

Based on state average salaries for full-time teachers

Support Staff

Student-Teacher Ratio25:1

Students per Counselor421:1

Colony High Student Demographics

Student Body

53.39%

Male

46.51%

Female

Total Enrollment: 2,109 students

Racial & Ethnic Diversity

White7.25%

Hispanic66.38%

Asian9.01%

Black12.8%

Two or More Races3.13%

Native American0.33%

Colony High Reviews

Frequently Asked Questions About Colony High

Q: What is Colony High?

A: Colony High is a high public located in Ontario.

Q: How many students attend Colony High?

A: Colony High has approximately 2,109 students enrolled.

Q: What is the student-teacher ratio at Colony High?

A: The student-teacher ratio at Colony High is 25:1.

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Detailed Information about Colony High

Data sourced from NCES, CCD, and state education agencies. Last verified: May 2026. See methodology →

Schoolary Research Team

Verified with NCES & state education agency data

About Colony High - Ontario, CA

Quick Facts about Colony High
School Name	Colony High
School Type	public
Grade Levels	Grade 9-12
Location	3850 East Riverside Dr., Ontario, CA 91761, Ontario, CA
County	San Bernardino County
Phone	+1 (909) 930-2929
Total Students	2,109
Student-Teacher Ratio	25:1
Full-Time Teachers	81
Rating	/10
ELA Proficiency	%
Math Proficiency	%
Science Proficiency	%

Frequently Asked Questions about Colony High

What is Colony High?

Colony High is a high public located in Ontario.

How many students attend Colony High?

Colony High has approximately 2,109 students enrolled.

What is the student-teacher ratio at Colony High?

The student-teacher ratio at Colony High is 25:1.

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