Mamaroneck Union Free School District School Calendar 2026-2027

At a Glance

MAMK is a suburban school district with 6 schools. For the 2026-2027 school year, classes begin September 2 and end June 25. Mamaroneck High School is one of the few public high schools in Westchester County to offer the International Baccalaureate (IB) Diploma Programme. Calendar dates are confirmed for part of the year; the rest of the 2026-2027 calendar isn't available yet — check back soon. The calendar also notes several religious observances (Yom Kippur - NO SCHOOL, Holiday Recess (Passover)) for awareness — school stays in session on these days. This calendar includes 1 early-release or half day — useful to know when planning childcare.

Source: Mamaroneck Union Free School District

Also known as MAMK.

Schools in Mamaroneck Union Free School District

CENTRAL SCHOOL (Elementary)
CHATSWORTH AVENUE SCHOOL (Elementary)
HOMMOCKS SCHOOL (Middle)
MAMARONECK AVENUE SCHOOL (Elementary)
MAMARONECK HIGH SCHOOL (High)
MURRAY AVENUE SCHOOL (Elementary)

Mamaroneck Union Free School District 2026-2027 School Calendar

All schools

2026-08-31 — Superintendent's Conference Day - No Students (closed)
2026-09-01 — Superintendent's Conference Day - No Students (closed)
2026-09-02 — First Day of School - ALL STUDENTS (K Half Day - 11:30 am Dismissal) (in session)
2026-09-04 — Half Day for Students - 12 PM Dismissal (partial)
2026-09-04 — Spirit Day (in session)
2026-09-07 — Labor Day - NO SCHOOL (closed)
2026-09-21 — Yom Kippur - NO SCHOOL (closed)
2026-11-11 — Veterans Day - No School (closed)
2026-12-23 to 2027-01-01 — Holiday Recess (closed)
2027-02-15 to 2027-02-19 — Mid-Winter Recess (closed)
2027-03-22 to 2027-03-26 — Spring Recess (closed)
2027-04-22 to 2027-04-23 — Holiday Recess (Passover) (closed)
2027-06-25 — Last Day of School (in session)