For the 2026–2027 school year, Groton-Dunstable Regional School District publishes its official academic calendar for Massachusetts. Classes begin Aug 31 and end Jun 14. All dates listed below are sourced from the district's official publications. Verify with Groton-Dunstable Regional School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Groton-Dunstable Regional School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Groton-Dunstable Regional School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- Staff Professional DevelopmentAug 27 — Aug 28Teacher Day
- First Day of School (Grades 1-12)Aug 31, 2026School Opens
- First Day of School (PreK-K)Sep 1, 2026School Opens
- Labor Day - No SchoolSep 4 — Sep 7No School
- Indigenous Peoples Day - No SchoolOct 12, 2026No School
- Staff Development Day - No SchoolNov 3, 2026No School
- End of Term 1 - High School & Middle SchoolNov 5, 2026Grading
- Veterans Day Observed - No SchoolNov 11, 2026No School
- District Half Day & Evening ConferencesNov 23, 2026Early Release
- District Half Day & Afternoon ConferencesNov 24, 2026Early Release
- Thanksgiving Recess - Half DayNov 25, 2026No School
- Thanksgiving Break - No SchoolNov 26 — Nov 27No School
- Winter Recess - Half DayDec 23, 2026No School
- Winter VacationDec 24 — Dec 31Event
- New Year's Day / Winter VacationJan 1, 2027No School
- Martin Luther King Jr. Day - No SchoolJan 18, 2027No School
- End of Term 2 - High School & Middle SchoolJan 22, 2027Grading
- Presidents Day - No SchoolFeb 15, 2027No School
- February VacationFeb 15 — Feb 19Event
- District Half Day & ConferencesMar 19, 2027Early Release
- End of Term 3 - High School & Middle SchoolApr 2, 2027Grading
- Patriots Day - No SchoolApr 19, 2027No School
- April VacationApr 19 — Apr 23Event
- Kindergarten Screening - No School for Kindergarten Students OnlyMay 20, 2027No School
- Kindergarten Screening - No School for Kindergarten Students OnlyMay 21, 2027No School
- High School GraduationMay 28, 2027Event
- Memorial Day - No SchoolMay 31, 2027No School
- 180th Day - Last Day of SchoolJun 14, 2027School Closes
- End of Term 4 - High School & Middle SchoolJun 14, 2027Grading
- Juneteenth Observed - No SchoolJun 18, 2027No School
- JuneteenthJun 19, 2027Event
- 185th Day / Last Day with 5 Snow DaysJun 22, 2027School Closes
About the District
School Information
Details and contact information for Groton-Dunstable Regional School District GDRSD.
Who This Calendar Applies To
Schools Covered by This Calendar
The 2026–2027 Groton-Dunstable Regional School District academic calendar applies district-wide to all 5 schools.
Early Childhood & Pre-K Centers1
- Boutwell School (PK)
Elementary Schools2
- Florence Roche School (K–4)
- Swallow Union Elementary School (K–4)
Middle & Junior High Schools1
- Groton Dunstable Regional Middle School (5–8)
High Schools1
- Groton Dunstable Regional High School (9–12)
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 Groton-Dunstable 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 Groton-Dunstable Regional School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against gdrsd.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 Groton-Dunstable Regional School District before booking around a date.
Common Questions
Frequently Asked Questions
Groton-Dunstable Regional School District Calendar 2026–2027 — important dates and answers.
The first day of school for students in Grades 1-12 is August 31, 2026. The first day of school for PreK and Kindergarten students is September 1, 2026.
Spring break, listed as April Vacation, is from April 19 through April 23, 2027.
Christmas break is included in Winter Vacation. Students have a half day on December 23, 2026, followed by Winter Vacation from December 24, 2026, through January 1, 2027.
Winter break begins with a half day on December 23, 2026. Winter Vacation runs from December 24, 2026, through January 1, 2027.
Thanksgiving recess begins with a half day on November 25, 2026. Schools are closed for Thanksgiving on November 26 and November 27, 2026.
The scheduled 180th day and last day of school is June 14, 2027. If all five snow days are used, the last day may be June 22, 2027.
Schools are closed for Labor Day from September 4 through September 7, 2026.
Schools are closed for Indigenous Peoples Day on October 12, 2026.
A staff development day with no school for students is scheduled for November 3, 2026.
Schools are closed for Veterans Day on November 11, 2026.
District half-day conferences are scheduled for November 23 and November 24, 2026. Another district half-day conference date is March 19, 2027.
Schools are closed for Martin Luther King Jr. Day on January 18, 2027.
February Vacation is from February 15 through February 19, 2027.
Schools are closed for Patriots Day on April 19, 2027.
High school graduation is scheduled for May 28, 2027.
Schools are closed for Memorial Day on May 31, 2027.
Kindergarten screening is scheduled for May 20 and May 21, 2027. There is no school for Kindergarten students only on these dates.
Term 1 ends on November 5, 2026, Term 2 ends on January 22, 2027, Term 3 ends on April 2, 2027, and Term 4 ends on June 14, 2027.
Explore More
Recently Updated Calendars
Other Massachusetts school district calendars — recently added or updated.