⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Groton-Dunstable
Massachusetts · 2,351 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Last day
May 28
Breaks & no-school days
Day off
Starts
Ends
School dayDay offHalf dayEstimated — not yet confirmed by the district