Mamaroneck High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Mamaroneck High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
25
Memorial Day
MAY
26
TBD: Snow/Spring Giveback Day #2
JUN
19
No School
Juneteenth Day Observed - no school
JUN
23
11:30 Elementary Dismissal
JUN
24
11:30 Elementary Dismissal
JUN
25
11:30 Elementary Dismissal
JUN
26
Last Day of School (elem. 9:15 AM dismissal)
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!