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May 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The School District Not Defined school calendar for the 2025-26 school year runs from Monday, August 18, 2025 to Thursday, May 21, 2026 in Tonto Basin, Arizona.
- •5 scheduled breaks and 5 holidays throughout the year
- •Spring break: Mar 23 – Mar 23
- •Winter break: Dec 22 – Jan 2
School District Not Defined starts school 9 days later than most Arizona districts. Winter break matches the most common Arizona schedule, starting 12/22.
Download the iCal file above to sync all School District Not Defined dates with your phone or computer.
Frequently Asked Questions
Is School District Not Defined school open today?
Yes, School District Not Defined is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for School District Not Defined?
The next day off is Monday, May 25, 2026 for Memorial Day Holiday.
When is the first day of school for School District Not Defined?
The first day of school for School District Not Defined in 2025-26 is Monday, August 18, 2025.
When is the last day of school for School District Not Defined?
The last day of school for School District Not Defined in 2025-26 is Thursday, May 21, 2026.
When is spring break for School District Not Defined?
Spring break for School District Not Defined is Monday, March 23, 2026 to Monday, March 23, 2026.
When is winter break for School District Not Defined?
Winter break for School District Not Defined is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in School District Not Defined return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for School District Not Defined?
Thanksgiving break for School District Not Defined is Wednesday, October 22, 2025 to Thursday, October 30, 2025.
How do I add School District Not Defined 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 Tonto Basin, AZ in?
Tonto Basin, Arizona is served by School District Not Defined. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Tonto Basin?
School in Tonto Basin (School District Not Defined) starts on Monday, August 18, 2025 for the 2025-26 school year.
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Last updated: January 3, 2026