Mountainside School District Calendar (2025-2026)
Calendar by educounty.net/
| Date | Event |
|---|---|
| September 1, 2025 | Schools Closed - Labor Day |
| September 2 & 3, 2025 | Staff In-Service - Full days |
| September 4, 2025 | Schools Open |
| September 16, 2025 | Board of Education Meeting |
| September 17, 2025 | Back to School Night-Beechwood |
| September 18, 2025 | Back to School Night-Deerfield |
| September 23, 2025 | School Closed - Rosh Hashanah |
| October 2, 2025 | School Closed - Yom Kippur |
| October 13, 2025 | Early Dismissal Students*/PD for teachers |
| October 14, 2025 | Board of Education Meeting |
| November 3, 2025 | Early dismissal students/Evening Conferences |
| November 4, 2025 | Election Day/Closed for students/Conferences/Staff PD |
| November 5, 2025 | Early dismissal students/Conferences |
| November 6-7, 2025 | Schools Closed - NJEA Convention |
| November 11, 2025 | Board of Education Meeting |
| November 26, 2025 | Early Dismissal * |
| November 27-28, 2025 | Schools Closed - Thanksgiving |
| December 9, 2025 | Board of Education Meeting |
| December 23, 2025 | Early Dismissal |
| December 24-31, 2025 | Schools Closed - Winter Recess |
| January 1-2, 2026 | Schools Closed - Winter Break |
| January 5, 2026 | Schools Reopen |
| January 6, 2026 | BOE Reorganization Meeting 6pm |
| January 19, 2026 | MLK Day - Schools Closed |
| January 20, 2026 | Board of Education Meeting |
| February 13, 2026 | Early Dismissal Students/PD Teachers |
| February 16, 2026 | School Closed - President's Day |
| February 17, 2026 | Board of Education Meeting |
| March 17, 2026 | Board of Education Meeting |
| March 30-31, 2026 | Schools Closed - Spring Recess |
| April 1-3, 2026 | Schools Closed - Spring Recess |
| April 6, 2026 | Schools Reopen |
| April 21, 2026 | Board of Education Meeting |
| April 23, 2026 | Early Dismissal Students/PD for teachers |
| May 12, 2026 | Board of Education Meeting |
| May 25, 2026 | Schools Closed - Memorial Day |
| June 2, 2026 | Schools Closed-Primary Elections (tentative) |
| June 16, 2026 | Board of Education Meeting |
| June 18, 2026 | Early Dismissal*/8th Grade Promotion |
| June 19, 2026 | Early Dismissal*/Last Day of School |
Mountainside School District Schools Calendar (2025-2026)
When is the first day of school in Mountainside School District for the 2025-2026 school year?
The first day of school is September 4, 2025.
When is Fall Break in Mountainside School District?
There is no Fall Break listed in the provided document.
When is Thanksgiving break in Mountainside School District?
Schools are closed for Thanksgiving on November 27-28, 2025.
When is the Winter Recess in Mountainside School District?
Schools are closed for Winter Recess from December 24-31, 2025, and for Winter Break on January 1-2, 2026.
When is Spring Break in Mountainside School District?
Schools are closed for Spring Recess from March 30-31, 2026, and April 1-3, 2026.
When is the last day of school in Mountainside School District?
The last day of school is June 19, 2026.
When is Memorial Day?
Schools are closed for Memorial Day on May 25, 2026.
Calendar Disclaimer
The printable school calendar provided on this page is taken from the official MOUNTAINSIDE School District website. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.