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⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Cold Spring Harbor Central School District
New York · 1,565 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Last day
Jun 8
Breaks & no-school days
Day off
Starts
Ends
School dayDay offHalf dayEstimated — not yet confirmed by the district