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greyed out = days students aren't on campusSan Mateo Middle College CSM Calendar
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Rev. 22Aug25School Calendar 2025 - 2026SMUHSD Calendar
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August 20251January 2026
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 1Winter Recess 1/7-1/9: Spring Orientation
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8/6-8/12: Fall Orientation 4W5PD6HS785W6PD7HS891/12: CSM Classes begin
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8/13: CSM classes begin111213C141512C131415161/12: Informational Site Visits (all sites)
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181920212219H202122⚬ 231/22: Families Info Night (zoom)
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8/28: BTSN/Family Night25262728⚬2926272829301/26-1/30: Shadow Week
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September 2025February 2026 *1/26 = SMUHSD PD
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9/1: Labor Day Holiday1H234523456
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89101112910111213H2/13-2/16: CSM Holiday
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9/15-9/26 Student-Led Conferences (Juniors)1516171819*16H17181920*
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222324252623242526272/27 MC (new students) Applications Close
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October 2025March 2026
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10/8: CSM Flex Day // MC Community Day 12323456PD3/6: Staff PD Day (No HS classes)
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10/13: Staff PD Day (No HS classes)13PD141516171617181920⚬ 3/20: MC Dance
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202122232423242526273/23-3/27: CAASPP testing
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2728293031Spring Recess
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November 2025April 2026
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34567*Spring Recess
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11/10: Veteran's Day Holiday10H111213146789⚬ 10*4/15: New Families Info Night
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171819202113141516^174/16: CSM Flex Day // MC Community Day
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11/27-11/28: Thanksgiving Holiday24252627H28H2021222324
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27⚬ 28⚬ 29⚬ 30⚬ 4/27-5/1: Rising Junior Scheduling
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December 2025May 2026
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12/11-12/12: HS Finals89+10+11!+12!+#456785/4-5/15: Senior Reflections
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12/9-12/15: CSM Finals15#W16171819*1112131415+5/15-5/21: CSM Finals
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222324252618+19+20+⚬21+225/20: Commencement Ceremony
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Winter Recess 25H2627!28!#29W5/27-5/28: Junior Finals
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Fall 2025Spring 2026
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August 6-12: MC Fall Orientation January 7-9: MC Spring OrientationSMUHSDInst. DaysNon-InstTotal Contract
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August 13: CSM classes BeginJanuary 12: CSM Classes Begin Fall87592
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August 20: BTSN/Family NightJanuary 12: Informational Site Visits Spring93396
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September 1: Labor Day Holiday January 19: Martin Luther King Jr. Day Holiday
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September 9-26: Student-Led Conferences
January 22: Families Info Night (zoom)Total Days1808188
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October 8: CSM Flex / MC Community Day
January 26-30: Shadow Week
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October 13: MC Staff PD Day (No HS classes)February 13: Lincoln's Birthday Holiday
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November 10: Veterans Day Holiday February 16: Presidents' Day Holiday
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November 27-28: Thanksgiving Holiday
February 27: MC Applications Close
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December 9-15: College Finals March 20: MC Dance
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December 11-12: High School FinalsMarch 23-27: CAASPP TestingMCInst. DaysNon-InstTotal Contract
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March 30-April 3: Spring RecessFall88492
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April 15: New Families Info NightSpring92496
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April 16: CSM Flex Day / MC Community Day
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April 27-May 1: Rising Junior Scheduling
Total Days1808188
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May 4-15: Senior Reflections
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May 15-21: CSM Finals
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May 21: Middle College Commencement
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May 25: Memorial Day Holiday
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May 27-28: Junior Finals
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* = End of grading periodH: Holiday
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W = Staff Work Day PD = Professional Development (no HS classes; must attend CSM Classes)
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# = Last Day of Semester
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"+" = CSM Finals! = MC Finals
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˄ = CSM Flex Day (No CSM classes; must attend HS classes)
 ⚬ = MC Event
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