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School Open
Dismissal: 3:30 PM
Next 7 Days
2 days offApril 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The William S. Hart Union High School District school calendar for the 2025-26 school year runs from Tuesday, August 12, 2025 to Thursday, June 4, 2026 in California.
- •4 scheduled breaks and 7 holidays throughout the year
- •Spring break: Apr 6 – Apr 10
- •Winter break: Dec 22 – Jan 11
William S. Hart Union High School District starts school around the same time as most California districts. Winter break matches the most common California schedule, starting 12/22. Spring break aligns with the most common California schedule.
Download the iCal file above to sync all William S. Hart Union High School District dates with your phone or computer.
Frequently Asked Questions
Is William S. Hart Union High School District school open today?
Yes, William S. Hart Union High School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for William S. Hart Union High School District?
The next day off is Spring Break, starting Monday, April 6, 2026.
When is the first day of school for William S. Hart Union High School District?
The first day of school for William S. Hart Union High School District in 2025-26 is Tuesday, August 12, 2025.
When is the last day of school for William S. Hart Union High School District?
The last day of school for William S. Hart Union High School District in 2025-26 is Thursday, June 4, 2026.
When is spring break for William S. Hart Union High School District?
Spring break for William S. Hart Union High School District is Monday, April 6, 2026 to Friday, April 10, 2026.
When is winter break for William S. Hart Union High School District?
Winter break for William S. Hart Union High School District is Monday, December 22, 2025 to Sunday, January 11, 2026.
When do students go back to school after winter break?
Students in William S. Hart Union High School District return to school after winter break on Monday, January 12, 2026. Winter break ends on Sunday, January 11, 2026.
When is Thanksgiving break for William S. Hart Union High School District?
Thanksgiving break for William S. Hart Union High School District is Monday, October 6, 2025 to Monday, October 6, 2025.
How do I add William S. Hart Union High School 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.
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Last updated: December 19, 2025
Source: William S. Hart Union High School District Official Calendar