Visual Calendar
Official calendar scans for Sewanhaka Central High School District. Click any image to open full-screen.
School Calendar
Download Sewanhaka Central High School District's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
For the 2026–2027 school year, the district serves 8,000 students across 5 schools in Long Island, New York. Classes begin September 2, 2026 and end June 25, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Sewanhaka Central High School District before scheduling around them.
About the District
Details and contact information for Sewanhaka Central High School District (HSD).
Common Questions
Sewanhaka Central High School District Calendar 2026–2027 — important dates and answers.
The first day of school is September 2, 2026.
Spring break is divided into two parts: March 25–26, 2027 and April 22–30, 2027.
Christmas break (Holiday Recess) runs from December 24, 2026 through January 1, 2027.
Winter recess is scheduled from February 15–19, 2027.
Thanksgiving recess takes place on November 26–27, 2026.
The last day of school is June 25, 2027.
Labor Day is observed on September 7, 2026, and schools are closed.
Superintendent’s Conference Days are on September 1, 2026 and March 9, 2027, with no classes for students.
Memorial Day is observed on May 31, 2027.
Graduations are scheduled for June 26–27, 2027.
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