Share with Parents
Help other parents find this calendar
School Open
Dismissal: 3:30 PM
Next 7 Days
May 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Mammoth-San Manuel Unified District school calendar for the 2025-26 school year runs from Wednesday, August 20, 2025 to Wednesday, June 10, 2026 in San Manuel, Arizona.
- •3 scheduled breaks and 12 holidays throughout the year
- •Spring break: Apr 13 – Apr 17
- •Winter break: Dec 22 – Jan 2
Mammoth-San Manuel Unified District starts school 11 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 Mammoth-San Manuel Unified District dates with your phone or computer.
Frequently Asked Questions
Is Mammoth-San Manuel Unified District school open today?
Yes, Mammoth-San Manuel Unified District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Mammoth-San Manuel Unified District?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Mammoth-San Manuel Unified District?
The first day of school for Mammoth-San Manuel Unified District in 2025-26 is Wednesday, August 20, 2025.
When is the last day of school for Mammoth-San Manuel Unified District?
The last day of school for Mammoth-San Manuel Unified District in 2025-26 is Wednesday, June 10, 2026.
When is spring break for Mammoth-San Manuel Unified District?
Spring break for Mammoth-San Manuel Unified District is Monday, April 13, 2026 to Friday, April 17, 2026.
When is winter break for Mammoth-San Manuel Unified District?
Winter break for Mammoth-San Manuel Unified District is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in Mammoth-San Manuel Unified District return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Mammoth-San Manuel Unified District?
Thanksgiving break for Mammoth-San Manuel Unified District is Monday, November 24, 2025 to Friday, November 28, 2025.
How do I add Mammoth-San Manuel Unified District 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 San Manuel, AZ in?
San Manuel, Arizona is served by Mammoth-San Manuel Unified District. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in San Manuel?
School in San Manuel (Mammoth-San Manuel Unified District) starts on Wednesday, August 20, 2025 for the 2025-26 school year.
Get Calendar Alerts
We'll email you when Mammoth-San Manuel Unified District updates their calendar.
Other Arizona Districts
Last updated: January 3, 2026
Source: Mammoth-San Manuel Unified District Official Calendar