PublicGrades 9-12
Upper Lake High School
675 Clover Valley Road, Upper Lake, CA 95485-9220(707) 275-2338
Total Students307
Student/Teacher18.03:1
Math Prof.8.33%
Reading Prof.26.03%
Graduation Rate94.6%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLake
School DistrictUpper Lake Unified School District
Principal / AdminAnnie Petrie(707) 275-2338
Founded1980
Free/Reduced Lunch83.39% Eligible
Acceptance Rate100%
Student Demographics
White50.8%
Hispanic35.8%
Black1.6%
Asian0.3%
Native American5.2%
Two Or More6.2%
Gender Distribution
51.8%
48.2%
Male Female
Students per Grade
Grade 975
Grade 1087
Grade 1180
Grade 1265
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Upper Lake 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 (Observed)Jul 3
Labor DaySep 7
Veterans DayNov 11
Thanksgiving DayNov 26
Christmas DayDec 25
New Year's DayJan 1
Martin Luther King Jr. DayJan 18
Presidents' DayFeb 15
Memorial DayMay 31
Juneteenth (Observed)Jun 18
Key Dates & Holidays
2026-2027Community Reviews
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