The Chelsea School Committee approved the 2025–26 District Calendar on March 27, 2025. Download the official calendar in multiple languages below, or browse upcoming dates and events.
2025–26 School Calendar
English Version
Download in Other Languages
Legend
Holidays
District Events
Early Release / PD
No School
This calendar may be altered at the discretion of the Chelsea School Committee and/or the administration. Depending on the number of snow days, the last day may be June 16, 2026. Adopted March 27, 2025.