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School Open
Dismissal: 3:30 PM
Next 7 Days
2 days offOctober 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Castaic Union School District school calendar for the 2026-27 school year runs from Monday, August 10, 2026 to Friday, June 4, 2027 in California.
- •4 scheduled breaks and 6 holidays throughout the year
- •Spring break: Apr 5 – Apr 9
- •Winter break: Dec 21 – Jan 8
Castaic Union School District starts school 364 days later than most California districts. Winter break starts 364 days later than the most common California schedule.
Download the iCal file above to sync all Castaic Union School District dates with your phone or computer.
Frequently Asked Questions
Is Castaic Union School District school open today?
Yes, Castaic Union School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Castaic Union School District?
The next day off is Fall Break, starting Monday, October 5, 2026.
When is the first day of school for Castaic Union School District?
The first day of school for Castaic Union School District in 2026-27 is Monday, August 10, 2026.
When is the last day of school for Castaic Union School District?
The last day of school for Castaic Union School District in 2026-27 is Friday, June 4, 2027.
When is spring break for Castaic Union School District?
Spring break for Castaic Union School District is Monday, April 5, 2027 to Friday, April 9, 2027.
When is winter break for Castaic Union School District?
Winter break for Castaic Union School District is Monday, December 21, 2026 to Friday, January 8, 2027.
When do students go back to school after winter break?
Students in Castaic Union School District return to school after winter break on Monday, January 11, 2027. Winter break ends on Friday, January 8, 2027.
When is Thanksgiving break for Castaic Union School District?
Thanksgiving break for Castaic Union School District is Monday, October 5, 2026 to Tuesday, October 6, 2026.
How do I add Castaic Union 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: September 1, 2026