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School Break
Spring Recess
Mar 30 - Apr 3
Next 7 Days
4 days offMarch 2026
Coming Up
School Breaks
Holidays (No School)
The Mountainside School District school calendar for the 2025-26 school year runs from Thursday, September 4, 2025 to Friday, June 19, 2026 in New Jersey.
- •4 scheduled breaks and 10 holidays throughout the year
- •Spring break: Mar 30 – Apr 3
- •Winter break: Dec 24 – Dec 31
Mountainside School District starts school 20 days later than most New Jersey districts. Winter break matches the most common New Jersey schedule, starting 12/24.
Download the iCal file above to sync all Mountainside School District dates with your phone or computer.
Frequently Asked Questions
Is Mountainside School District school open today?
No, Mountainside School District is currently on Spring Recess (Mar 30 - Apr 3).
When is the next day off for Mountainside School District?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Mountainside School District?
The first day of school for Mountainside School District in 2025-26 is Thursday, September 4, 2025.
When is the last day of school for Mountainside School District?
The last day of school for Mountainside School District in 2025-26 is Friday, June 19, 2026.
When is spring break for Mountainside School District?
Spring break for Mountainside School District is Monday, March 30, 2026 to Friday, April 3, 2026.
When is winter break for Mountainside School District?
Winter break for Mountainside School District is Wednesday, December 24, 2025 to Wednesday, December 31, 2025.
When do students go back to school after winter break?
Students in Mountainside School District return to school after winter break on Thursday, January 1, 2026. Winter break ends on Wednesday, December 31, 2025.
When is Thanksgiving break for Mountainside School District?
Thanksgiving break for Mountainside School District is Thursday, November 27, 2025 to Friday, November 28, 2025.
How do I add Mountainside 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 20, 2025