San Leandro Unified School District

Calendar

John Muir Middle events and important dates.

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September 2026

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Tue 1 September

  • Aug 13 – Sep 3
    Elementary BOY Assessments
    Elementary Early Release and Assessment 2026-27
    Details
    Teacher & Site (TK-5th)



    Amira (2nd)



    Star Early Literacy (K-1st)



    Star Reading (2nd-5th)



    Star Math (1st-5th)



    Star CBM Reading (K-5th)



    Star CBM Math (K-3rd)
  • Aug 13 – Sep 3
    Mandarin DLI BOY Assessments
    Elementary Early Release and Assessment 2026-27
    Details
    Teacher & Site (TK-5th)



    Amira (2nd)



    Star Early Literacy (K-1st)



    Star CBM Reading English (2nd-5th)



    Star Math (1st-5th)



    Star CBM Reading (K-5th)



    Star CBM Math (K-3rd)



    Level Learning (K-5th)
  • Aug 13 – Sep 3
    Spanish DLI BOY Assessments
    Elementary Early Release and Assessment 2026-27
    Details
    Teacher & Site (TK-5th)



    Amira (2nd)



    mClass Lectura (K-5th)



    Star Early Literacy Spanish (K-1st)



    Star Reading Spanish (2nd-5th)



    Star Math Spanish (1st-3rd)



    Star CBM Math Spanish (K-3rd)



    Star Early Literacy English (2nd)



    Star Reading English (3rd-5th)



    Star Math English (4th-5th)



    Star CBM Reading English (3rd-5th)
  • Aug 14 – Sep 3
    Beginning of Year Secondary Assessments
    Secondary Early Release and Assessment 2026-27
    Details
    Grades 6-12: Star Reading

    Grades 6-12: Star Math

    Grades 7 & 9: MDTP Math Screener

    Grades 6-12: Local Assessments
  • All day
    Attendance Awareness Month
    District Events
  • All day
    Suicide Prevention Awareness Month
    District Events
  • 3:45 PM – 5:15 PM
  • 3:45 PM – 5:15 PM
    Varsity Boys Basketball vs Creekside

Wed 2 September

  • 8:30 AM – 9:30 AM
    Coffee Chat: Admin Welcome/ Native American Center Guest
    Muir Events
    Details
    Location: Muir Library
    Special Guest: Native American Health Center
  • 11:40 AM – 12:10 PM
    Early Release (TK-K)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release
  • 1:50 PM – 2:20 PM
    Early Release (1-5)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release
  • 2 PM – 5 PM
    Beginner Tennis Tryouts
    Muir Events
    Details
    Meet Coach Paxman at the tennis courts

    Season 1 Sports will be starting soon....

    By now, hopefully you have registered on Homecampus.com and uploaded your physical exams. If you have not completed these steps you will not be allowed to tryout. If you still need a physical exam talk with your family doctor or schedule an appointment at the Barbara Lee center by clicking HERE.

    Wear athletic clothing and bring water.
  • 3:30 PM – 5 PM
    SSC/CSAT Meeting
    Muir Events
    Details
    Location: Muir Library
  • 3:45 PM – 5:15 PM

Thu 3 September

  • 11:40 AM – 12:10 PM
    Early Release (TK-K)
    Elementary Early Release and Assessment 2026-27
    Details
    Back to School Night - Elementary Early Release
  • 1:50 PM – 2:20 PM
    Early Release (1-5)
    Elementary Early Release and Assessment 2026-27
    Details
    Back to School Night - Elementary Early Release
  • 2 PM – 5 PM
    Beginner Tennis Tryouts
    Muir Events
    Details
    Meet Coach Paxman at the tennis courts

    Season 1 Sports will be starting soon....

    By now, hopefully you have registered on Homecampus.com and uploaded your physical exams. If you have not completed these steps you will not be allowed to tryout. If you still need a physical exam talk with your family doctor or schedule an appointment at the Barbara Lee center by clicking HERE.

    Wear athletic clothing and bring water.
  • 6 PM – 7:30 PM
    Back to School Night - Elementary
    Elementary Early Release and Assessment 2026-27
    Details
    Evening event
  • 6 PM – 8 PM
    Back to School Night - Elementary
    District Events

Fri 4 September

Mon 7 September

  • All day
    Labor Day (Schools Closed)
    Elementary Early Release and Assessment 2026-27
    Details
    Schools Closed
  • All day
    Labor Day (Schools Closed)
    Secondary Early Release and Assessment 2026-27
    Details
    Schools Closed
  • All day
    Labor Day (Schools Closed)
    Muir Events
    Details
    Schools Closed
  • All day
    Labor Day Holiday
    District Events

Wed 9 September

Thu 10 September

  • 2 PM – 3 PM
    Early Release Middle School
    Secondary Early Release and Assessment 2026-27
    Details
    Back to School Night - Middle Schools Early Release
  • 3:45 PM – 5:15 PM
  • 6 PM – 8 PM
    Back to School Night - Middle Schools
    District Events
  • 6 PM – 7:30 PM
    Back to School Night - Middle Schools
    Secondary Early Release and Assessment 2026-27
    Details
    Evening event

Fri 11 September

Mon 14 September

  • 2 PM – 3:20 PM
    Early Release SLHS
    Secondary Early Release and Assessment 2026-27
    Details
    Teacher Collaboration Early Release SLHS

Tue 15 September

Wed 16 September

  • 11:40 AM – 12:10 PM
    Early Release (TK-K)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release
  • 1:50 PM – 2:20 PM
    Early Release (1-5)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release

Thu 17 September

  • Sep 17 – Sep 23
    Constitution Week (SLUSD Board Resolution)
    District Events
  • All day
    Q1 Progress Report Due
    Secondary Early Release and Assessment 2026-27
    Details
    Instructions - All students with areas of concern/in danger of failing for Q1 (C- and below)
    Due at 3:20 PM
  • 2 PM – 3:20 PM
    Early Release SLHS
    Secondary Early Release and Assessment 2026-27
    Details
    Back to School Night - SLHS/SLVA Early Release
  • 3:45 PM – 5:15 PM
  • 3:45 PM – 5:15 PM
    Varsity Boys Basketball vs KIPP
  • 6 PM – 8 PM
    Back to School Night - SLHS/SLVA
    District Events
  • 6 PM – 7:30 PM
    Back to School Night - SLHS/SLVA
    Secondary Early Release and Assessment 2026-27
    Details
    Evening event

Mon 21 September

Tue 22 September

Wed 23 September

  • 11:40 AM – 12:10 PM
    Early Release (TK-K)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release
  • 1:50 PM – 2:20 PM
    Early Release (1-5)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release

Thu 24 September

Fri 25 September

Mon 28 September

Tue 29 September

Wed 30 September

  • 9 AM – 10 AM
    Data Committee Meeting
  • 11:40 AM – 12:10 PM
    Early Release (TK-K)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release
  • 1:50 PM – 2:20 PM
    Early Release (1-5)
    Elementary Early Release and Assessment 2026-27
    Details
    Weekly Early Release
  • 6 PM – 7:30 PM
    DELAC Meeting
    District Events