For the 2026–2027 school year, the district serves 1,500 students across 3 schools in Massachusetts. Classes begin September 2, 2026 and end June 14, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Cohasset Public Schools before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Cohasset Public Schools. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Cohasset Public Schools's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Cohasset Public Schools CPS.
Who This Calendar Applies To
Schools Covered by This Calendar
The 2026–2027 Cohasset Public Schools academic calendar applies district-wide to all 4 schools.
Elementary Schools2
- Deer Hill School (3–5)
- Joseph Osgood School (PK–2)
Middle & Junior High Schools1
- Cohasset Middle School (6–8)
High Schools1
- Cohasset 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 Cohasset Public Schools calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Cohasset Public Schools published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against cohassetk12.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 Cohasset Public Schools before booking around a date.
Common Questions
Frequently Asked Questions
Cohasset Public Schools Calendar 2026–2027 — important dates and answers.
The first day of school for grades 1-12 is September 2, 2026. Kindergarten starts on September 3, 2026, and PreK begins on September 8, 2026.
Spring break (April break) is from April 19 to April 23, 2027.
Christmas break is part of the winter break and begins on December 24, 2026, through December 31, 2026.
Winter break runs from December 24, 2026, to December 31, 2026. School resumes on January 4, 2027.
Thanksgiving break includes November 26, 2026 (Thanksgiving Day) and November 27, 2026, when schools are closed. There is also an early release on November 25, 2026.
The last student day is June 17, 2027 (180th day, half day), while June 30, 2027 is the last allowable make-up day.
School resumes on January 4, 2027, after the winter break.
February break takes place from February 15 to February 19, 2027.
Labor Day is on September 7, 2026, and schools are closed on that day.
Memorial Day is observed on May 31, 2027, and schools are closed.
Graduation is scheduled for June 5, 2027.
Yes, there are multiple early release days including October 2, November 25, December 4, December 23, January 29, February 26, March 26, and May 21, 2027, among others.
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Recently Updated Calendars
Other Massachusetts school district calendars — recently added or updated.