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Colony High

PublicRegularGrades 9–12
Ontario, California · Chaffey Joint Union High
SCHOOL SNAPSHOT
Students2,109
Student:Teacher26.0:1
Free/Reduced Lunch70%
Title INo
Colony
OverviewEnrollmentDemographicsPerformanceAttendanceOutcomesBehaviourWorkforce

Neighbourhood — who lives here

Median Household Income
2019-2023
$123,953
US median $74,580
Poverty Rate
2019-2023
8.1%
US avg 12.5%
Bachelor's Degree+
2019-2023
36%
US avg 35%
Unemployment Rate
2019-2023
6.6%
US avg 3.5%
Median Gross Rent
2019-2023
$2,453
Rent Burden (30%+ of income)
2019-2023
58%
US avg ~30%
Foreign-Born Residents
2019-2023
24%
US avg 13.7%
Single-Parent Households
2019-2023
12%
US avg ~26%

Environment & safety around the school

Toxic Release Sites (1 mi)
2024
1
Worth investigating
Toxic Release Sites (5 mi)
2024
96
Nearest Brownfield
7.7:1
YORBA SCHOOL SITE CHINO VALLEY UNIFIED SCHOOL DI YORBA 1019 441 04
Nearest Superfund Site
6.3:1
STRINGFELLOW
Water: Health Violations (10yr)
0
ONTARIO MUNICIPAL UTILITIES COMPANY
Water: Acute Violations (10yr)
0
Clean
Air Quality: PM2.5
3.0 mi
15.0:1
EPA std 9 μg/m³
Served by
N/A
ONTARIO MUNICIPAL UTILITIES COMPANY

Neighbourhood demographics are for the census tract containing the school and may not reflect the student body exactly (students can live in adjacent tracts). Environmental proximity is informational — none of these metrics mean the school itself is unsafe. Sources: US Census ACS 5-year, EPA Superfund NPL, EPA TRI, EPA Brownfields, EPA SDWIS, EPA AQS.