April 16, 2025

2025-26 School Year Calendar

The 2025-26 School Year Calendar was reviewed and approved by the Mason Board of Education. The first day of school for the 2025-26 school year will be Wednesday, August 20 which will be a half day for all students. The first full day of school is Thursday, August 21.  

This calendar includes dates and events for elementary, middle and high schools and includes open houses, scheduled breaks, parent-teacher conferences, half-days and late-start Wednesdays.