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Colony High

PublicRegularGrades 9–12
Ontario, California · Chaffey Joint Union High
SCHOOL SNAPSHOT
Students2,085
Student:Teacher24.0:1
Free/Reduced Lunch72%
Title INo
Colony
OverviewEnrollmentDemographicsPerformanceAttendanceOutcomesDisciplineWorkforceFinanceInclusionProgramsDistrictTrendsSimilarNearbyCalendarParent Info
Chronic Absence Rate
2020
3.2%
↑ 146%vs prior yrUS avg ~28%
Chronically Absent Students
2020
66
Students Enrolled
2020
2,085
Years of Data
2
2017–2020
Change Since First Year
2020
1.9%
vs 2017
Best-Year Rate
2017
1.3%
achieved 2017
Attendance Rate (est)
2020
98%
Source
N/A
crdc
Chronic absence trend ↓

Chronic absenteeism rate over time

0.0%10.0%20.0%30.0%1.3%3.2%20172020Colony HighUS avg 28%

Chronic absence = missing ≥10% of enrolled school days. Reported annually by state DOEs via EDFacts.