PublicGrades K-8
West County Mandarin School
1121 Allview Avenue, El Sobrante, CA 94803-2522(510) 231-1453
Total Students528
Student/Teacher22.96:1
Math Prof.59.86%
Reading Prof.63.03%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyContra Costa
School DistrictWest Contra Costa Unified School District
Principal / AdminEric Peterson(510) 231-1453
Founded2017
Free/Reduced Lunch33.9% Eligible
Acceptance Rate100%
Student Demographics
White7.6%
Hispanic26.5%
Black5.5%
Asian42.2%
Two Or More18.2%
Gender Distribution
46.8%
53.2%
Male Female
Students per Grade
Grade 166
Grade 266
Grade 365
Grade 468
Grade 557
Grade 649
Grade 748
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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West County Mandarin 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
District HolidayJul 3
Independence Day CelebrationJul 4
New Teacher OrientationAug 12
Professional Development DaysAug 13
First Day of School EventAug 18
Labor Day HolidaySep 7
Elementary Minimum Day ScheduleSep 10
Middle School Minimum Day ScheduleSep 18
High School Minimum Day ScheduleSep 25
Indigenous People's Day ObservanceOct 12
End of First Quarter RecognitionOct 21
Secondary Minimum Day ScheduleOct 22
TK-8 and Middle School Minimum Day ScheduleOct 30
End of Trimester 1 EventNov 12
Veterans Day CeremonyNov 11
Thanksgiving Recess BreakNov 23
District Minimum Day EventDec 18
Winter Recess HolidayDec 21
New Year's Day ObservanceJan 1
End of Second Quarter EventJan 15
Martin Luther King Jr. Day HolidayJan 18
Secondary Work Day ScheduleJan 19
President's Week Recess BreakFeb 15
End of Trimester 2 EventMar 5
End of Third Quarter EventMar 25
Reserved Day 1 EventMar 26
Spring Recess BreakApr 5
Elementary Minimum Day ScheduleApr 22
Reserved Day 2 EventMay 28
Memorial Day HolidayMay 31
Last Day of School EventJun 10
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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