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2026-05-04 (Mon)
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Staff Meeting (HS/AM - MS/PM) [Columbia Secondary School]
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2026-05-08 (Fri)
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Senior Gratitude/Signing Day [Columbia Secondary School]
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2026-05-18 (Mon)
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Staff Meeting (HS/AM - MS/PM) [Columbia Secondary School]
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2026-05-21 (Thu)
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CSS AAPI Showcase [Columbia Secondary School]
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2026-05-22 (Fri)
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CSS AAPI Showcase [Columbia Secondary School]
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2026-05-25 (Mon)
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Memorial Day (School Closed) [Columbia Secondary School]
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2026-05-27 (Wed)
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Eid (School Closed) [Columbia Secondary School]
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2026-05-28 (Thu)
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Jewish Heritage Potluck [Columbia Secondary School]
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