Colony High

3850 East Riverside Dr.
Ontario, CA 91761

www.cjuhsd.net

2,109 Students

High School 9th - 12th

School Overview

Colony High School, located in Ontario, California, is a comprehensive public high school operating under the Chaffey Joint Union High School District. Serving a diverse student population, the school is well-regarded for its commitment to academic achievement and its vibrant extracurricular environment. The campus is designed to foster a well-rounded educational experience, offering a rigorous curriculum that prepares students for both higher education and professional career paths.

Beyond its academic programs, Colony High School is known for its strong sense of community and school spirit. The school offers a wide array of athletic teams, performing arts programs, and student-led clubs, which encourage student engagement and personal development outside of the classroom. With a focus on modern facilities and a supportive faculty, the institution strives to provide a safe and inclusive environment that empowers students to reach their full potential within the broader Ontario community.

2,109

Total Students

81.3

Full-Time Teachers

25.9

Student/Teacher Ratio

69.7%

Free/Reduced Lunch

Student Demographics

Student Demographics Data Table

Student Demographics for Colony High
Demographic	Student Count
White	153
Hispanic	1,400
Black	270
Asian	190
Two or More	66
American Indian	7
Pacific Islander	21

Hispanic
1,400 (66.4%)
Black
270 (12.8%)
Asian
190 (9.0%)
White
153 (7.3%)
Two or More
66 (3.1%)
Pacific Islander
21 (1.0%)
American Indian
7 (0.3%)

School Location

School Details

Status:	Open
School Level:	High School
School Type:	Regular School
Charter Status:*	Public Non-Charter
Virtual Instruction:	Supplemental Virtual
Shared Time Status:	N/A
District:	Chaffey Joint Union High
Phone:	(909)930-2929
Website:	http://www.cjuhsd.net
Grade Range:	9th - 12th
Total Students:	2,109
Full-Time Teachers (FTE):	81.3
Pupil/Teacher Ratio:	25.9
NSLP Participation:¹	Yes under Community Eligibility Option (CEO)
Qualified Free Lunch:	1,111
Qualified Reduced Lunch:	359

* Charter Schools: A public charter school is a publicly funded school that operates independently under a legislative contract (or "charter") with a state, school district, or designated authorizing entity. Charters grant these schools greater operational flexibility over curriculum, staffing, and budgeting in exchange for strict accountability to achieve performance standards established in their charter agreement.

¹ National School Lunch Program (NSLP): The National School Lunch Program is a federally assisted meal program operating in public and nonprofit private schools. It provides nutritionally balanced, low-cost or free lunches to eligible children each school day based on household income thresholds or community eligibility options (CEO).

Title I Program Overview: Title I, Part A of the Elementary and Secondary Education Act (ESEA) allocates federal financial assistance to local educational agencies and public schools with high percentages of children from low-income families to help ensure that all children meet challenging state academic standards.

Grades Taught

Grade 9 507

Grade 10 550

Grade 11 517

Grade 12 535