⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Sullivan
Missouri · 2,114 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Winter
Dec 21 – Jan 1
Spring
Mar 29 – Apr 2
Last day
May 20
Breaks & no-school days
Day off
Starts
Ends
Pd Day; No School For Students - Election Day
—
Labor Day; School Closed For Staff & Students
—
Parent-Teacher Conferences; No School For Students
—
End Of First 9 Weeks
—
Fall Break
In-Service Day; No School For Students - Election Day
—
Winter Break
Administrative Day; No School For Students
—
Holiday; No School For Staff & Students
—
Staff Development Day; No School For Students
—
End Of 3Rd 9 Weeks
—
Good Friday
—
Spring Break
In-Service Day; No School For Students - Election Day
—
Administrative Day For Staff
—
School dayDay offHalf dayEstimated — not yet confirmed by the district