Total Students781
Student/Teacher25.1:1
Math Prof.11.7%
Reading Prof.18.08%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Bernardino
School DistrictApple Valley Unified School District
Principal / AdminSusan Lasko(760) 247-7258
Founded1980
Free/Reduced Lunch83.61% Eligible
Acceptance Rate100%
Student Demographics
White27.4%
Hispanic62.6%
Black5.5%
Asian0.9%
Native American0.5%
Pacific Islander0.1%
Two Or More2.9%
Gender Distribution
50.8%
49.2%
Male Female
Students per Grade
Grade 174
Grade 278
Grade 380
Grade 486
Grade 5106
Grade 686
Grade 7104
Grade 876
Academy Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Mariana Academy
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 Observed HolidayJul 3
First Day of SchoolAug 6
Student Early Release DayAug 12
Student Early Release DayAug 19
Student Early Release DayAug 26
Labor Day HolidaySep 7
Student Early Release DaySep 2
Student Early Release DaySep 30
End of First QuarterOct 9
Fall BreakOct 12
End of First TrimesterOct 30
Parent Conferences Minimum DaysNov 9
Veterans DayNov 11
Thanksgiving BreakNov 23
High School Finals Minimum DaysDec 16
End of Second Quarter / First SemesterDec 18
Winter BreakDec 21
New Year's Day HolidayJan 1
Martin Luther King Jr. Day HolidayJan 18
Lincoln's Birthday HolidayFeb 8
End of Second TrimesterFeb 12
Presidents' Day HolidayFeb 15
End of Third QuarterMar 12
Spring BreakMar 15
End of Third TrimesterMay 21
High School Finals Minimum DaysMay 25
Last Day of SchoolMay 26
End of Fourth Quarter / Second SemesterMay 26
Memorial DayMay 31
Key Dates & Holidays
2026-2027Community Reviews
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