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Derby Middle School's school day starts at 8:10AM (9:10AM on Mondays) and ends each day at 3:25PM.

Why do we have Late Start Mondays?

Late Start Mondays give teachers dedicated time for Professional Learning Time (PLTs). During this time, educators collaborate on curriculum, instructional strategies, review student data, and receive training on technology and other tools — all to better support student learning.

January 2026
Monday Tuesday Wednesday Thursday Friday Sat/Sun
Monday, December 29
Tuesday, December 30
Wednesday, December 31
Thursday, January 1
Friday, January 2
Saturday, January 3
Sunday, January 4

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25-26 Student Calendar

Note: Downloading a calendar provides a copy on your device, but will not reflect any future changes. If you wish to be notified of changes, subscribe to our website calendars.

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