Share with Parents
Help other parents find this calendar
Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Grossmont Union High School District school calendar for the 2026-27 school year runs from Wednesday, August 12, 2026 to Thursday, June 3, 2027 in California.
- •3 scheduled breaks and 9 holidays throughout the year
- •Spring break: Mar 22 – Apr 2
- •Winter break: Dec 21 – Jan 1
Grossmont Union High School District starts school 366 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 Grossmont Union High School District dates with your phone or computer.
Frequently Asked Questions
Is Grossmont Union High School District school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Grossmont Union High School District?
The next day off is Wednesday, November 11, 2026 for Veterans Day Observance.
When is the first day of school for Grossmont Union High School District?
The first day of school for Grossmont Union High School District in 2026-27 is Wednesday, August 12, 2026.
When is the last day of school for Grossmont Union High School District?
The last day of school for Grossmont Union High School District in 2026-27 is Thursday, June 3, 2027.
When is spring break for Grossmont Union High School District?
Spring break for Grossmont Union High School District is Monday, March 22, 2027 to Friday, April 2, 2027.
When is winter break for Grossmont Union High School District?
Winter break for Grossmont Union High School District is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Grossmont Union High School District return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Grossmont Union High School District?
Thanksgiving break for Grossmont Union High School District is Monday, November 23, 2026 to Friday, November 27, 2026.
How do I add Grossmont 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.
Get Calendar Alerts
We'll email you when Grossmont Union High School District updates their calendar.
Other California Districts
Last updated: August 25, 2026
Source: Grossmont Union High School District Official Calendar