⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Duke
Oklahoma · 166 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Spring
Apr 24 – May 2
Last day
May 26
Breaks & no-school days
Day off
Starts
Ends
Labor Day
—
New Year'S Day
—
Martin Luther King, Jr. Day
—
Spring Break
Memorial Day
—
Juneteenth
—
Independence Day Holiday Observed
—
School dayDay offHalf dayEstimated — not yet confirmed by the district