For the 2026–2027 school year, the district serves 1,000 students across 2 schools in Massachusetts. Classes begin September 1, 2026 and end June 15, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Mount Greylock Regional School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Mount Greylock Regional School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Mount Greylock Regional School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Mount Greylock Regional School District MGRSD.
Who This Calendar Applies To
Schools Covered by This Calendar
The 2026–2027 Mount Greylock Regional School District academic calendar applies district-wide to all 3 schools.
Elementary Schools2
- Lanesborough Elementary School (PK–6)
- Williamstown Elementary School (PK–6)
Combined & Specialized Campuses1
- Mount Greylock Regional High School (7–12)
School list from the Massachusetts public school directory (MassGIS / DESE). Individual schools set their own start and dismissal times, and some may adjust specific dates — confirm with the school before planning around a date.
Sources and Checks
Where these dates come from
How the 2026–2027 Mount Greylock Regional School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Mount Greylock Regional School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against mgrsd.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 Mount Greylock Regional School District before booking around a date.
Common Questions
Frequently Asked Questions
Mount Greylock Regional School District Calendar 2026–2027 — important dates and answers.
The first day of school for grades 1-12 is September 1, 2026. PreK and Kindergarten start on September 3, 2026.
Spring break is scheduled from April 19 to April 23, 2027.
Christmas break begins on December 24, 2026 and continues through January 4, 2027.
Winter break runs from December 24, 2026 to January 4, 2027.
Thanksgiving break is from November 25 to November 27, 2026.
The last day of school is June 15, 2027, and it is a half day for all students.
Labor Day is observed on September 7, 2026, and there is no school on that day.
February break is scheduled from February 15 to February 19, 2027.
Memorial Day is on May 31, 2027, and schools will be closed.
Yes, there are several half days including October 9, 2026; November 13, 2026; December 23, 2026; January 22 & 25, 2027; March 19, 2027; June 4, 2027; June 11, 2027; June 14, 2027; and the last day June 15, 2027.
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