Total Students2,109
Student/Teacher25.93:1
Math Prof.20.95%
Reading Prof.53.73%
Graduation Rate88.8%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Bernardino
School DistrictChaffey Joint Union High School District
Principal / AdminTiffany Bunn(909) 930-2929
Founded2002
Free/Reduced Lunch69.7% Eligible
Acceptance Rate100%
Student Demographics
White7.3%
Hispanic66.4%
Black12.8%
Asian9%
Native American0.3%
Pacific Islander1%
Two Or More3.1%
Gender Distribution
53.4%
46.5%
Male Female
Students per Grade
Grade 9507
Grade 10550
Grade 11517
Grade 12535
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Colony High School
Academic Calendar (2026-2027)
July 2026
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August 2026
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September 2026
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October 2026
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November 2026
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December 2026
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January 2027
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February 2027
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March 2027
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April 2027
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May 2027
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June 2027
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Key Dates & Holidays
Independence Day HolidayJul 3
First Day of School for StudentsAug 5
Labor Day HolidaySep 7
First Quarter EndsOct 2
Floating HolidayOct 5
Veterans Day ObservanceNov 11
Thanksgiving RecessNov 23
Second Quarter and First Semester EndDec 17
Winter Recess BeginsDec 21
New Year's Day HolidayJan 1
Martin Luther King Jr. Day ObservanceJan 18
Abraham Lincoln's Day HolidayFeb 8
Presidents Day ObservanceFeb 15
Third Quarter EndsMar 5
Spring Break BeginsMar 29
Spring Break EndsApr 1
Fourth Quarter and Second Semester EndMay 20
Memorial Day HolidayMay 31
Juneteenth HolidayJun 18
Key Dates & Holidays
2026-2027Community Reviews
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