Total Students845
Student/Teacher20.66:1
Math Prof.37.8%
Reading Prof.49.37%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountySan Luis Obispo
School DistrictAtascadero Unified School District
Principal / AdminJeff Spiller(805) 462-4360
Founded1980
Free/Reduced Lunch48.4% Eligible
Acceptance Rate100%
Student Demographics
White58.3%
Hispanic32.8%
Black0.7%
Asian2.2%
Native American1.1%
Pacific Islander0.4%
Two Or More4.4%
Gender Distribution
55.6%
44.3%
Male Female
Students per Grade
Grade 6252
Grade 7286
Grade 8307
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Atascadero Middle 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 12
Labor Day HolidaySep 7
End of First Trimester - ElementaryNov 6
Veteran's Day ObservanceNov 11
Elementary Winter Parent Conference Week Early ReleaseNov 16
Thanksgiving BreakNov 23
Local Recess (Post-Thanksgiving)Nov 30
End of First Semester - SecondaryDec 18
Minimum Day (Secondary End of Semester)Dec 18
Winter RecessDec 21
Winter Recess / New Year's Day ObservanceJan 1
Martin Luther King, Jr. Day ObservanceJan 18
Lincoln Day ObservanceFeb 8
Washington Day ObservanceFeb 15
End of Second Trimester - ElementaryFeb 26
Elementary Spring Parent Conference Week Early ReleaseMar 8
Spring RecessMar 26
Spring Recess ConclusionApr 1
Local Recess (May)May 10
Local Recess (Late May)May 28
Memorial Day ObservanceMay 31
End of Second Semester - SecondaryJun 4
End of Third Trimester - ElementaryJun 4
Last Day of School / Minimum DayJun 4
Juneteenth ObservanceJun 18
Key Dates & Holidays
2026-2027Community Reviews
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