⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Owasso
Oklahoma · 9,802 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 23 – Nov 27
Winter
Dec 21 – Jan 1
Spring
Mar 15 – Mar 19
Last day
May 28
Breaks & no-school days
Day off
Starts
Ends
Labor Day
—
District Collaboration Day
—
End Of First Quarter
—
District Collaboration Day
—
Teacher Professional Development
—
Parent-Teacher Conference Exchange Date
—
Fall Break
Thanksgiving Break
End Of Second Quarter
—
Winter Break
District Collaboration Day
—
Martin Luther King Jr. Day
—
Teacher Professional Development
—
Presidents' Day
—
End Of 3Rd Quarter
—
Spring Break
District Collaboration Day
—
Parent-Teacher Conference Exchange Date
—
Class Of 2027 Commencement
—
Memorial Day
—
School dayDay offHalf dayEstimated — not yet confirmed by the district