For the 2026–2027 school year, the district serves 1,300 students across 2 schools in New York. Classes begin September 8, 2026 and end June 24, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Addison Central School CSD before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Addison Central School CSD. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Addison Central School CSD's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Addison Central School CSD.
Sources and Checks
Where these dates come from
How the 2026–2027 Addison Central School CSD calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Addison Central School CSD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against addisoncsd.org.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Addison Central School CSD before booking around a date.
Common Questions
Frequently Asked Questions
Addison Central School CSD Calendar 2026–2027 — important dates and answers.
The first day of school for ADDISON CENTRAL SCHOOL for the 2026-2027 academic year is September 8, 2026.
Spring Break for ADDISON CENTRAL SCHOOL is scheduled from April 5 through April 9, 2027.
Christmas Break for ADDISON CENTRAL SCHOOL begins on December 23, 2026 and continues through January 1, 2027.
Winter Break for ADDISON CENTRAL SCHOOL runs from December 23, 2026 through January 1, 2027.
Thanksgiving Break for ADDISON CENTRAL SCHOOL is from November 25 through November 27, 2026.
The last day for elementary students at ADDISON CENTRAL SCHOOL is June 24, 2027.
Mid-Winter Recess for ADDISON CENTRAL SCHOOL is scheduled from February 16 through February 19, 2027.
Memorial Day holiday for ADDISON CENTRAL SCHOOL is on May 31, 2027.
Labor Day holiday for ADDISON CENTRAL SCHOOL is on September 7, 2026.
Graduation for ADDISON CENTRAL SCHOOL is scheduled for June 25, 2027.
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