Total Students555
Student/Teacher24.13:1
Math Prof.23.13%
Reading Prof.28.43%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Joaquin
School DistrictLincoln Unified School District
Principal / AdminJennifer Heck(209) 953-8767
Founded1980
Free/Reduced Lunch84.86% Eligible
Acceptance Rate100%
Student Demographics
White5.8%
Hispanic67.9%
Black9.9%
Asian10.3%
Pacific Islander0.4%
Two Or More5.8%
Gender Distribution
50.8%
49.2%
Male Female
Students per Grade
Grade 172
Grade 271
Grade 373
Grade 478
Grade 571
Grade 690
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
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John R. Williams 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 6
Labor Day HolidaySep 7
Fall RecessOct 5
Veteran's Day ObservanceNov 11
Thanksgiving BreakNov 23
Winter RecessDec 21
Winter RecessJan 1
Martin Luther King Jr. DayJan 18
Lincoln's Day ObservanceFeb 8
Presidents' DayFeb 15
Spring BreakMar 22
Non-Student DayApr 9
Last Day of SchoolMay 27
Memorial DayMay 31
Key Dates & Holidays
2026-2027Community Reviews
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