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Next 7 Days
April 2026
Coming Up
School Breaks
Holidays (No School)
The Duke school calendar for the 2025-26 school year runs from Monday, August 25, 2025 to Saturday, May 2, 2026 in Duke, Oklahoma.
- •3 scheduled breaks and 8 holidays throughout the year
- •Spring break: Mar 6 – Mar 15
Duke starts school 6 days later than most Oklahoma districts.
Download the iCal file above to sync all Duke dates with your phone or computer.
Frequently Asked Questions
Is Duke school open today?
Yes, Duke is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Duke?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Duke?
The first day of school for Duke in 2025-26 is Monday, August 25, 2025.
When is the last day of school for Duke?
The last day of school for Duke in 2025-26 is Saturday, May 2, 2026.
When is spring break for Duke?
Spring break for Duke is Friday, March 6, 2026 to Sunday, March 15, 2026.
When is winter break for Duke?
Winter break dates for Duke are not yet available.
When do students go back to school after winter break?
The date students return after winter break for Duke is not yet available.
When is Thanksgiving break for Duke?
Thanksgiving break for Duke is Friday, October 10, 2025 to Tuesday, October 14, 2025.
How do I add Duke calendar to my phone?
Click the "Add to Calendar" button at the top of this page to download the iCal (.ics) file. Then:
iPhone/iPad: Tap the downloaded file, then tap "Add All" to add events to your Calendar app.
Android: Open the file with Google Calendar, review the events, and tap "Import".
Google Calendar (web): Go to Settings → Import & Export → Select the .ics file → Import.
Outlook: Double-click the file or drag it into your Outlook calendar.
Apple Calendar (Mac): Double-click the file or go to File → Import → select the .ics file.
What school district is Duke, OK in?
Duke, Oklahoma is served by Duke. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Duke?
School in Duke (Duke) starts on Monday, August 25, 2025 for the 2025-26 school year.
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Other Oklahoma Districts
Last updated: December 31, 2025
Source: Duke Official Calendar