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School Open
Dismissal: 3:30 PM
Next 7 Days
August 2026
Coming Up
School Breaks
Holidays (No School)
The Lammersville Joint Unified School District school calendar for the 2026-27 school year runs from Monday, August 17, 2026 to Friday, May 28, 2027 in Mountain House, California.
- •2 scheduled breaks and 6 holidays throughout the year
- •Spring break: Mar 29 – Apr 2
- •Winter break: Dec 21 – Jan 1
Lammersville Joint Unified School District starts school 371 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 Lammersville Joint Unified School District dates with your phone or computer.
Frequently Asked Questions
Is Lammersville Joint Unified School District school open today?
Yes, Lammersville Joint Unified School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Lammersville Joint Unified School District?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Lammersville Joint Unified School District?
The first day of school for Lammersville Joint Unified School District in 2026-27 is Monday, August 17, 2026.
When is the last day of school for Lammersville Joint Unified School District?
The last day of school for Lammersville Joint Unified School District in 2026-27 is Friday, May 28, 2027.
When is spring break for Lammersville Joint Unified School District?
Spring break for Lammersville Joint Unified School District is Monday, March 29, 2027 to Friday, April 2, 2027.
When is winter break for Lammersville Joint Unified School District?
Winter break for Lammersville Joint Unified School District is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Lammersville Joint Unified 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 Lammersville Joint Unified School District?
Thanksgiving break dates for Lammersville Joint Unified School District are not yet available.
How do I add Lammersville Joint Unified 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.
What school district is Mountain House, CA in?
Mountain House, California is served by Lammersville Joint Unified School District. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Mountain House?
School in Mountain House (Lammersville Joint Unified School District) starts on Monday, August 17, 2026 for the 2026-27 school year.
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Other California Districts
Last updated: July 16, 2026
Source: Lammersville Joint Unified School District Official Calendar