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School Open
Dismissal: 3:30 PM
Next 7 Days
August 2026
Coming Up
School Breaks
Holidays (No School)
The Holbrook Unified District school calendar for the 2026-27 school year runs from Monday, August 3, 2026 to Thursday, May 20, 2027 in Sun Valley, Arizona.
- •4 scheduled breaks and 12 holidays throughout the year
- •Spring break: Mar 15 – Mar 19
- •Winter break: Dec 21 – Dec 31
Holbrook Unified District starts school 359 days later than most Arizona districts. Winter break starts 364 days later than the most common Arizona schedule.
Download the iCal file above to sync all Holbrook Unified District dates with your phone or computer.
Frequently Asked Questions
Is Holbrook Unified District school open today?
Yes, Holbrook Unified District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Holbrook Unified District?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Holbrook Unified District?
The first day of school for Holbrook Unified District in 2026-27 is Monday, August 3, 2026.
When is the last day of school for Holbrook Unified District?
The last day of school for Holbrook Unified District in 2026-27 is Thursday, May 20, 2027.
When is spring break for Holbrook Unified District?
Spring break for Holbrook Unified District is Monday, March 15, 2027 to Friday, March 19, 2027.
When is winter break for Holbrook Unified District?
Winter break for Holbrook Unified District is Monday, December 21, 2026 to Thursday, December 31, 2026.
When do students go back to school after winter break?
Students in Holbrook Unified District return to school after winter break on Friday, January 1, 2027. Winter break ends on Thursday, December 31, 2026.
When is Thanksgiving break for Holbrook Unified District?
Thanksgiving break for Holbrook Unified District is Monday, October 12, 2026 to Friday, October 16, 2026.
How do I add Holbrook 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 Sun Valley, AZ in?
Sun Valley, Arizona is served by Holbrook Unified District. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Sun Valley?
School in Sun Valley (Holbrook Unified District) starts on Monday, August 3, 2026 for the 2026-27 school year.
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Last updated: July 14, 2026