Visual Calendar
Official calendar scans for Mount Sinai Union Free School District. Click any image to open full-screen.
Official Document
The official calendar PDF published by Mount Sinai Union Free School District. Download or view inline.
School Calendar
Month-by-month view of Mount Sinai Union Free School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
About the District
Details and contact information for Mount Sinai Union Free School District.
Common Questions
Mount Sinai Union Free School District Calendar 2026–2027 — important dates and answers.
The first day of school for students is September 8, 2026.
Spring break occurs in two parts: March 26 & 29, 2027 (Easter Recess) and April 19-23, 2027 (Passover Recess).
Christmas break is part of the winter recess from December 24, 2026 through January 1, 2027.
Winter recess is scheduled from December 24, 2026 to January 1, 2027.
Thanksgiving recess is from November 25 to November 27, 2026.
The last day of school is June 25, 2027.
Superintendent’s Conference Days are September 2-3, 2026, November 3, 2026, and March 9, 2027.
Mid-Winter Recess is scheduled from February 15 to February 19, 2027.
Labor Day is observed on September 7, 2026, and schools are closed.
Memorial Day is on May 31, 2027, and schools are closed.
Explore More
Other New York school district calendars — recently added or updated.