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School Open
Dismissal: 3:30 PM
Next 7 Days
1 day offApril 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Lammersville Joint Unified School District school calendar for the 2025-26 school year runs from Monday, August 18, 2025 to Wednesday, May 27, 2026 in Mountain House, California.
- •3 scheduled breaks and 7 holidays throughout the year
- •Spring break: Mar 9 – Mar 13
- •Winter break: Dec 22 – Jan 2
Lammersville Joint Unified School District starts school 7 days later than most California districts. Winter break matches the most common California schedule, starting 12/22.
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 Friday, April 3, 2026 for Good Friday.
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 2025-26 is Monday, August 18, 2025.
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 2025-26 is Wednesday, May 27, 2026.
When is spring break for Lammersville Joint Unified School District?
Spring break for Lammersville Joint Unified School District is Monday, March 9, 2026 to Friday, March 13, 2026.
When is winter break for Lammersville Joint Unified School District?
Winter break for Lammersville Joint Unified School District is Monday, December 22, 2025 to Friday, January 2, 2026.
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 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Lammersville Joint Unified School District?
Thanksgiving break for Lammersville Joint Unified School District is Monday, November 24, 2025 to Friday, November 28, 2025.
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 2025-26 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 18, 2025 for the 2025-26 school year.
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Other California Districts
Last updated: December 19, 2025
Source: Lammersville Joint Unified School District Official Calendar