Total Students816
Student/Teacher20.27:1
Math Prof.17.01%
Reading Prof.51.27%
Graduation Rate91.3%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLassen
School DistrictLassen Union High School District
Principal / AdminMark Brewer(530) 257-2141
Founded1980
Free/Reduced Lunch34.19% Eligible
Acceptance Rate100%
Student Demographics
White54%
Hispanic24.1%
Black1.2%
Asian1.8%
Native American2.2%
Pacific Islander2.1%
Two Or More13.7%
Gender Distribution
49.4%
49.9%
Male Female
Students per Grade
Grade 9221
Grade 10196
Grade 11222
Grade 12177
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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Lassen 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 SchoolAug 13
Labor Day HolidaySep 7
County Wide Inservice Student HolidaySep 25
End of 1st QuarterOct 9
Indigenous Peoples' DayOct 12
Veteran's Day ObservanceNov 11
Thanksgiving Break RecessNov 23
Winter Break RecessDec 21
Winter Break EndsJan 1
Martin Luther King Jr. Day ObservanceJan 18
Lincoln's Birthday ObservanceFeb 12
President's Day ObservanceFeb 15
End of 3rd QuarterMar 12
Good Friday HolidayMar 26
Spring Break VacationMar 29
Spring Break Vacation EndsApr 1
Possible Snow DayMay 3
Possible Snow DayMay 28
Memorial Day HolidayMay 31
Final Examinations Minimum DayJun 1
Last Day of SchoolJun 3
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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