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Next 7 Days
August 2026
Coming Up
School Breaks
Holidays (No School)
The Sentinel school calendar for the 2026-27 school year runs from Thursday, August 13, 2026 to Thursday, May 20, 2027 in Sentinel, Oklahoma.
- •4 scheduled breaks and 8 holidays throughout the year
- •Spring break: Mar 15 – Mar 19
- •Winter break: Dec 21 – Jan 1
Sentinel starts school 359 days later than most Oklahoma districts. Winter break starts 364 days later than the most common Oklahoma schedule.
Download the iCal file above to sync all Sentinel dates with your phone or computer.
Frequently Asked Questions
Is Sentinel school open today?
Yes, Sentinel is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Sentinel?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Sentinel?
The first day of school for Sentinel in 2026-27 is Thursday, August 13, 2026.
When is the last day of school for Sentinel?
The last day of school for Sentinel in 2026-27 is Thursday, May 20, 2027.
When is spring break for Sentinel?
Spring break for Sentinel is Monday, March 15, 2027 to Friday, March 19, 2027.
When is winter break for Sentinel?
Winter break for Sentinel is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Sentinel return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Sentinel?
Thanksgiving break for Sentinel is Wednesday, October 14, 2026 to Friday, October 16, 2026.
How do I add Sentinel 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 Sentinel, OK in?
Sentinel, Oklahoma is served by Sentinel. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Sentinel?
School in Sentinel (Sentinel) starts on Thursday, August 13, 2026 for the 2026-27 school year.
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Other Oklahoma Districts
Last updated: July 23, 2026
Source: Sentinel Official Calendar