Total Students872
Student/Teacher19.58:1
Math Prof.15.29%
Reading Prof.47.8%
Graduation Rate91.4%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyButte
School DistrictOroville Union High School District
Principal / AdminKristen Wiedenman(530) 538-2320
Founded1980
Free/Reduced Lunch81.77% Eligible
Acceptance Rate100%
Student Demographics
White40.1%
Hispanic17.7%
Black5%
Asian24%
Native American5.4%
Pacific Islander1%
Two Or More6.5%
Gender Distribution
52.8%
47%
Male Female
Students per Grade
Grade 9228
Grade 10206
Grade 11196
Grade 12242
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Oroville 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 ObservanceJul 3
First Day of School - Minimum DayAug 10
Minimum Day for StudentsAug 11
Labor Day HolidaySep 7
End of First QuarterOct 8
October BreakOct 9
Veterans Day ObservanceNov 11
Thanksgiving Break RecessNov 23
Mid-Term Finals ExaminationsDec 16
End of First SemesterDec 17
Winter Break RecessDec 21
New Year's Day Holiday ObservanceJan 1
Dr. MLK Jr's Birthday ObservanceJan 18
Lincoln's Birthday ObservanceFeb 12
Presidents Day HolidayFeb 15
February Break RecessFeb 12
End of Third QuarterMar 19
Spring Break BeginsMar 26
Spring Break EndsApr 1
Memorial Day Holiday ObservanceMay 31
End of Year Finals ExaminationsJun 1
Last Day of SchoolJun 3
Juneteenth Holiday ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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