PublicGrades K-12
Briones (Alternative) School
925 Susana Street, Martinez, CA 94553-3212(925) 335-5800
Total Students48
Student/Teacher24.62:1
Math Prof.20.69%
Reading Prof.24.14%
Graduation Rate92.9%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyContra Costa
School DistrictMartinez Unified School District
Principal / AdminPatty O'Malley(925) 335-5800
Founded1995
Free/Reduced Lunch37.5% Eligible
Acceptance Rate100%
Student Demographics
White52.1%
Hispanic37.5%
Black4.2%
Asian2.1%
Two Or More4.2%
Gender Distribution
56.2%
43.8%
Male Female
Students per Grade
Grade 41
Grade 62
Grade 83
Grade 96
Grade 108
Grade 1114
Grade 1214
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Briones (Alternative) 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 Observance HolidayJul 3
First Day of SchoolAug 12
Labor Day HolidaySep 7
Thanksgiving Break RecessNov 23
Thanksgiving HolidaysNov 27
Student Minimum DayDec 18
Christmas Eve Classified HolidayDec 24
Christmas Day HolidayDec 25
New Year's Eve HolidayDec 31
New Year's Day HolidayJan 1
Martin Luther King, Jr. DayJan 18
Lincoln's Birthday ObservanceFeb 12
Presidents' Day HolidayFeb 15
Emergency Makeup DayApr 2
Spring Break RecessApr 5
Spring Break Classified HolidayApr 9
Emergency Makeup DayMay 28
Memorial Day HolidayMay 31
Last Day of SchoolJun 3
Emergency Makeup DayJun 4
Juneteenth Classified HolidayJun 18
Key Dates & Holidays
2026-2027Community Reviews
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