PublicGrades K-6
Casillas (Joseph) Elementary School
1130 East J Street, Chula Vista, CA 91910-7164(619) 421-7555
Total Students431
Student/Teacher20.52:1
Math Prof.45%
Reading Prof.58.91%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Diego
School DistrictChula Vista Elementary School District
Principal / AdminElizabeth Gil(619) 421-7555
Founded1998
Free/Reduced Lunch45.24% Eligible
Acceptance Rate100%
Student Demographics
White8.1%
Hispanic66.8%
Black3.7%
Asian11.8%
Pacific Islander0.7%
Two Or More8.8%
Gender Distribution
52.7%
47.3%
Male Female
Students per Grade
Grade 145
Grade 254
Grade 364
Grade 461
Grade 567
Grade 664
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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First Day of School - Minimum Day
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Casillas (Joseph) Elementary 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 ObservanceJul 3
First Day of School - Minimum DayJul 22
Labor Day HolidaySep 7
Fall Break BeginsSep 21
Fall Break EndsOct 1
School Resumes - Minimum DayOct 6
Veterans Day HolidayNov 11
Thanksgiving BreakNov 23
Winter Break BeginsDec 21
Winter Break EndsJan 1
School Resumes - Minimum DayJan 12
Martin Luther King Jr. Day HolidayJan 18
Lincoln Day HolidayFeb 12
Washington Day HolidayFeb 15
Spring Break BeginsMar 22
Spring Break EndsApr 1
School Resumes - Minimum DayApr 5
Memorial Day HolidayMay 31
Last Day for Students - Minimum DayJun 4
Juneteenth HolidayJun 18
Key Dates & Holidays
2026-2027Community Reviews
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