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2025-06-10 (Tue)
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Biology Regents Exam (AM) [Columbia Secondary School]
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Earth & Space Science Regents Exam PM (All 8th Graders) [Columbia Secondary School]
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PTA Meeting [Columbia Secondary School]
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7th Grade Trip to CU Libraries [Columbia Secondary School]
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2025-06-11 (Wed)
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Geometry Regents (AM) [Columbia Secondary School]
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2025-06-12 (Thu)
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Senior Dinner [Columbia Secondary School]
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2025-06-17 (Tue)
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Regents Administration [Columbia Secondary School]
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2025-06-18 (Wed)
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Regents Administration [Columbia Secondary School]
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2025-06-19 (Thu)
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Regents Administration [Columbia Secondary School]
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Juneteenth (CLOSED) [Columbia Secondary School]
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2025-06-20 (Fri)
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Regents Administration [Columbia Secondary School]
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CSS Senior Graduation at Columbia University [Columbia Secondary School]
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2025-06-21 (Sat)
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Regents Administration [Columbia Secondary School]
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2025-06-22 (Sun)
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Regents Administration [Columbia Secondary School]
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2025-06-23 (Mon)
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Regents Administration [Columbia Secondary School]
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2025-06-24 (Tue)
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Regents Administration [Columbia Secondary School]
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2025-06-25 (Wed)
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Regents Administration [Columbia Secondary School]
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2025-06-26 (Thu)
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Regents Administration [Columbia Secondary School]
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Last Day for students [Columbia Secondary School]
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