PUBLIC · HIGH

Colony High

Chaffey Joint Union High

📍 Ontario, CA🎓 Grades 9–12👥 2,109 Students🔗 www.cjuhsd.net

Overview

Colony High is a public high school in Ontario, CA. It enrolls about 2,109 students across grades 9–12, with a student-teacher ratio of 25.9:1.

Quick Stats

Enrollment

2,109

Grades Served

9–12

Student-Teacher Ratio

25.9:1

Teachers (FTE)

Sector

Public

Setting

City

Enrollment by Grade

Grade	Students
9	507
10	550
11	517
12	535

Demographics

Race & Ethnicity

White

7.3%

Hispanic / Latino

66.4%

Black or African American

12.8%

Asian

9.0%

Two or more races

3.1%

American Indian / Alaska Native

0.3%

Pacific Islander

1.0%

Gender

Female

46.6%

Male

53.4%

Frequently Asked Questions

What grades does Colony High serve?

Colony High serves grades 9–12.

How many students attend Colony High?

Colony High enrolls approximately 2,109 students, with a student-teacher ratio of 25.9:1.

Is Colony High a public or private school?

Colony High is a public school in Ontario, CA.

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Data source: U.S. Department of Education, National Center for Education Statistics. School year data: 2024.