PublicMagnetGrades 9-12
Granite Hills High School
1701 East Putnam Avenue, Porterville, CA 93257-8000(559) 782-7075
Total Students1,206
Student/Teacher22.03:1
Math Prof.19.25%
Reading Prof.42.9%
Graduation Rate93.4%
School Information
Charter SchoolNo
Magnet SchoolYes
Virtual SchoolNo
CountyTulare
School DistrictPorterville Unified School District
Principal / AdminJacob Bowker(559) 782-7075
Founded1999
Free/Reduced Lunch95.61% Eligible
Acceptance Rate100%
Student Demographics
White5.8%
Hispanic90.2%
Black0.7%
Asian0.8%
Native American0.7%
Pacific Islander0.7%
Two Or More0.9%
Gender Distribution
52%
47.8%
Male Female
Students per Grade
Grade 9311
Grade 10274
Grade 11346
Grade 12275
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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First Day of School
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Early Release Day - All Grades
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Early Release Day - All Grades
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Granite Hills High School
Academic Calendar (2026-2027)
July 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
First Day of SchoolAug 10
Early Release Day - All GradesAug 19
Early Release Day - All GradesAug 26
Labor Day HolidaySep 7
Early Release Days - All GradesSep 2
First Quarter EndsOct 9
Second Quarter BeginsOct 12
Early Release Days - Elementary/MiddleOct 19
Early Release Day - All GradesOct 7
Veterans' Day ObservanceNov 11
Early Release Day - All GradesNov 4
Thanksgiving BreakNov 25
Minimum Day - High SchoolDec 17
Second Quarter EndsDec 17
Winter RecessDec 21
Winter Recess ContinuesJan 1
Third Quarter BeginsJan 11
Martin Luther King, Jr. DayJan 18
Early Release Day - All GradesJan 13
Lincoln's Birthday ObservanceFeb 12
Presidents' Day HolidayFeb 15
Early Release Day - All GradesFeb 3
Third Quarter EndsMar 12
Minimum Day - All GradesMar 12
Spring BreakMar 15
Fourth Quarter BeginsMar 22
Easter BreakMar 26
Memorial Day HolidayMay 31
Minimum Day - High SchoolJun 3
Fourth Quarter Ends / Last Day of SchoolJun 4
Minimum Day - All GradesJun 4
Key Dates & Holidays
2026-2027Community Reviews
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