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School Open
Dismissal: 3:30 PM
Next 7 Days
April 2026
Coming Up
School Breaks
Holidays (No School)
The Hennessey school calendar for the 2025-26 school year runs from Thursday, August 14, 2025 to Thursday, May 14, 2026 in Hennessey, Oklahoma.
- •4 scheduled breaks and 4 holidays throughout the year
- •Spring break: Mar 16 – Mar 20
- •Winter break: Dec 22 – Jan 2
Hennessey starts school 5 days earlier than most Oklahoma districts. Winter break matches the most common Oklahoma schedule, starting 12/22. Spring break aligns with the most common Oklahoma schedule.
Download the iCal file above to sync all Hennessey dates with your phone or computer.
Frequently Asked Questions
Is Hennessey school open today?
Yes, Hennessey is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Hennessey?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for Hennessey?
The first day of school for Hennessey in 2025-26 is Thursday, August 14, 2025.
When is the last day of school for Hennessey?
The last day of school for Hennessey in 2025-26 is Thursday, May 14, 2026.
When is spring break for Hennessey?
Spring break for Hennessey is Monday, March 16, 2026 to Friday, March 20, 2026.
When is winter break for Hennessey?
Winter break for Hennessey is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in Hennessey return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Hennessey?
Thanksgiving break for Hennessey is Thursday, October 16, 2025 to Monday, October 20, 2025.
How do I add Hennessey 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 Hennessey, OK in?
Hennessey, Oklahoma is served by Hennessey. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Hennessey?
School in Hennessey (Hennessey) starts on Thursday, August 14, 2025 for the 2025-26 school year.
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Last updated: December 31, 2025
Source: Hennessey Official Calendar