Total Students571
Student/Teacher23.79:1
Math Prof.26.16%
Reading Prof.38.26%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Bernardino
School DistrictOntario-Montclair School District
Principal / AdminRocio Carmona(909) 627-3010
Founded1980
Free/Reduced Lunch88.44% Eligible
Acceptance Rate100%
Student Demographics
White2.8%
Hispanic88.8%
Black4%
Asian3.3%
Native American0.4%
Pacific Islander0.4%
Two Or More0.4%
Gender Distribution
47.6%
52.4%
Male Female
Students per Grade
Grade 178
Grade 277
Grade 377
Grade 467
Grade 568
Grade 691
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Mission 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 SchoolAug 5
Labor Day HolidaySep 7
First Trimester EndsOct 30
Elementary School Minimum Day - Report CardNov 6
Veterans Day HolidayNov 11
Thanksgiving BreakNov 23
Middle School Minimum Day - Report CardDec 17
First Semester EndsDec 17
Winter RecessDec 18
New Year's Day ObservanceJan 1
Martin Luther King Jr. Day HolidayJan 18
Lincoln's Birthday HolidayFeb 8
Presidents' Day HolidayFeb 15
Second Trimester EndsFeb 26
Elementary School Minimum Day - Report CardMar 5
Spring BreakMar 29
Spring BreakApr 1
Middle School Minimum Day - Report CardApr 30
Last Day for StudentsMay 20
Third Trimester EndsMay 20
Second Semester EndsMay 20
Memorial Day HolidayMay 31
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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