⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Mustang
Oklahoma · 13,494 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 23 – Nov 23
Winter
Dec 21 – Dec 31
Spring
Mar 12 – Mar 19
Last day
May 20
Breaks & no-school days
Day off
Starts
Ends
New Teacher Orientation
—
New Teacher Orientation
—
New Teacher Orientation
—
New Teacher Orientation
—
District Assigned Days
—
District Assigned Days
—
District Assigned Days
—
District Assigned Days
—
Labor Day
—
Prof Dev/Collab Day
—
Fall Break
—
Fall Break
—
Fall Break
—
Prof Dev/Collab Day
—
Prof Dev/Collab Day
—
Thanksgiving Break
—
Thanksgiving Break
—
Thanksgiving Break
—
Thanksgiving Break
—
Thanksgiving Break
—
Winter Break
New Years Day
—
Prof Dev Day
—
Prof Dev Day
—
Martin Luther King Day
—
Prof Dev/Snow Mkup
—
Spring Break
Prof Dev Day
—
Snow Day
—
School dayDay offHalf dayEstimated — not yet confirmed by the district