PublicCharterGrades K-12
Delta Charter School
31400 South Koster Road, Tracy, CA 95304-8824(209) 830-6363
Total Students772
Student/Teacher15.81:1
Math Prof.26.02%
Reading Prof.31.39%
Graduation Rate95.7%
School Information
Charter SchoolYes
Magnet SchoolNo
Virtual SchoolNo
CountySan Joaquin
School DistrictNew Jerusalem Elementary School District
Principal / AdminMatthew Hillstead(209) 830-6363
Founded2001
Free/Reduced Lunch52.33% Eligible
Acceptance Rate100%
Student Demographics
White29.4%
Hispanic52.1%
Black4.7%
Asian3.6%
Native American0.3%
Pacific Islander1.2%
Two Or More8.3%
Gender Distribution
52.1%
47.4%
Male Female
Students per Grade
Grade 151
Grade 248
Grade 356
Grade 452
Grade 556
Grade 660
Grade 756
Grade 859
Grade 974
Grade 1098
Grade 1159
Grade 1263
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
Holiday Event
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Minimum Day
15
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Minimum Day
18
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Minimum Day
25
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Minimum Day
Delta Charter 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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Key Dates & Holidays
First Day of SchoolAug 3
Minimum DayAug 14
Minimum DayAug 17
Minimum DayAug 24
Minimum DayAug 31
Labor Day HolidaySep 7
Minimum DaySep 14
Minimum DaySep 21
Minimum DaySep 28
Fall BreakOct 5
Minimum DayOct 12
Minimum DayOct 19
Minimum DayOct 26
Minimum DayNov 2
Veterans DayNov 11
Thanksgiving BreakNov 24
Minimum DayNov 16
Minimum DayNov 23
Minimum DayNov 30
End of 1st SemesterDec 18
Minimum DayDec 7
Minimum DayDec 14
Minimum DayDec 18
Winter RecessDec 21
New Year HolidayJan 1
Minimum DayJan 11
Martin Luther King Jr. DayJan 18
Minimum DayJan 25
Presidents' Day BreakFeb 12
Minimum DayFeb 1
Minimum DayFeb 8
Minimum DayFeb 22
Spring BreakMar 15
End of 3rd QuarterMar 26
Minimum DayMar 1
Minimum DayMar 8
Minimum DayMar 22
Minimum DayMar 29
Minimum DayApr 5
Minimum DayApr 12
Minimum DayApr 19
Minimum DayApr 26
Last Day of SchoolMay 28
End of 2nd SemesterMay 28
Memorial DayMay 31
Minimum DayMay 3
Minimum DayMay 10
Minimum DayMay 17
Minimum DayMay 24
Post-ServiceJun 1
Key Dates & Holidays
2026-2027Community Reviews
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