PublicGrades 9-12
San Gabriel High School
801 South Ramona Street, San Gabriel, CA 91776-2342(626) 943-6800
Total Students1,761
Student/Teacher24.18:1
Math Prof.41.87%
Reading Prof.59.83%
Graduation Rate94.6%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictAlhambra Unified School District
Principal / AdminJocelyn Castro(626) 943-6800
Founded1980
Free/Reduced Lunch66.44% Eligible
Acceptance Rate100%
Student Demographics
White0.9%
Hispanic38.7%
Black0.5%
Asian54.2%
Native American0.1%
Two Or More5.7%
Gender Distribution
50.6%
49.4%
Male Female
Students per Grade
Grade 9398
Grade 10429
Grade 11463
Grade 12471
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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San Gabriel 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
First Day of SchoolAug 13
Labor Day RecessSep 7
End of 1st Quarter Grading Period (Secondary School)Oct 16
End of 1st Trimester (Elementary School)Oct 23
Pupil Free DayOct 26
Elementary Pupil Free Day (TK-8th)Oct 27
Veterans Day ObservanceNov 11
Thanksgiving RecessNov 23
Secondary School Pupil Free DayDec 18
End of 1st Semester (Secondary School)Dec 18
Winter BreakDec 21
School Reopens After Winter BreakJan 4
Martin Luther King Jr. Day ObservanceJan 18
Lincoln's Birthday ObservanceFeb 8
End of 2nd Trimester (Elementary School)Feb 12
Presidents Day ObservanceFeb 15
End of 3rd Quarter Grading Period (Secondary School)Mar 12
Spring RecessMar 29
Last Day of SchoolMay 28
End of 3rd Trimester (Elementary School)May 28
End of 2nd Semester (Secondary School)May 28
Key Dates & Holidays
2026-2027Community Reviews
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