2026-2027
Official
Updated 2026-11-05

Oyster River Cooperative School District Calendar 2026-2027

Complete holiday schedule and key dates for Oyster River Cooperative School District for the 2026-2027 academic year. Official district website

First Day Aug 31, 2026
Last Day Jun 25, 2027
Labor Day Observance Sep 7-8
Thanksgiving Break Nov 25-27
Winter Break Dec 24-Jan 1
February Break Feb 22-26

Key Dates

Event Date(s) Status
First Day of School August 31, 2026 (Mon) School Opens
Labor Day Observance September 7, 2026 - September 8, 2026 No School
Columbus Day October 12, 2026 (Mon) No School
Veterans’ Day Observed November 11, 2026 (Wed) No School
Thanksgiving Break November 25, 2026 - November 27, 2026 No School
Winter Break December 24, 2026 - January 1, 2027 No School
Martin Luther King Day January 18, 2027 (Mon) No School
February Break February 22, 2027 - February 26, 2027 No School
April Break April 26, 2027 - April 30, 2027 No School
Memorial Day May 31, 2027 (Mon) No School
Last Day of School June 25, 2027 (Fri) School Closes

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Extended Time Off

Window Date(s) Length
Labor Day Observance Window Sep 5–8, 2026Districtwide no-school: Sep 7–8, 2026 · Adjacent weekend: Sep 5–6, 2026 4 days
Columbus Day Window Oct 9–12, 2026Districtwide no-school: Oct 9, 2026; Oct 12, 2026 · Adjacent weekend: Oct 10–11, 2026 4 days
Thanksgiving Break Window Nov 25–29, 2026Districtwide no-school: Nov 25–27, 2026 · Adjacent weekend: Nov 28–29, 2026 5 days
Winter Break Window Dec 24, 2026–Jan 3, 2027Districtwide no-school: Dec 24, 2026–Jan 1, 2027 · Adjacent weekend: Jan 2–3, 2027 11 days
February Break Window Feb 20–28, 2027Districtwide no-school: Feb 22–26, 2027 · Adjacent weekend: Feb 20–21, 2027; Feb 27–28, 2027 9 days
April Break Window Apr 24–May 2, 2027Districtwide no-school: Apr 26–30, 2027 · Adjacent weekend: Apr 24–25, 2027; May 1–2, 2027 9 days
Memorial Day Window May 28–31, 2027Districtwide no-school: May 28, 2027; May 31, 2027 · Adjacent weekend: May 29–30, 2027 4 days

Oyster River Cooperative School District Calendar 2026-2027 newhampshireschoolcalendar.com

View the full 2026-2027 school year by month.

Monthly calendar12 months
School Day
Weekend
Holiday (No School)
School Break
First / Last Day

Oyster River Cooperative School District

Oyster River Cooperative School District serves Durham, Lee, and Madbury, operating Mast Way and Moharimet elementary schools, Oyster River Middle School (grades 5–8), and Oyster River High School. The high school also accepts tuition-based secondary students from Barrington under an established educational agreement.

The transition to Oyster River Middle School begins in fifth grade, supported by comprehensive campus orientations. The district provides late activity buses four afternoons per week to facilitate extracurricular participation, while secondary students access vocational training at regional career centers.

Compared With Related Districts

Selected highlights from this district calendar and related district calendar pages.

February student holiday week February 22, 2027 - February 26, 2027

Oyster River Cooperative School District lists February Break as 5 weekdays off. This named block is worth tracking separately for childcare, appointments, travel, and shared household calendars.

Later last day June 25, 2027

Oyster River Cooperative School District ends on this date; Newmarket School District (June 14, 2027) and Pelham School District (June 17, 2027) close on different dates in the related calendar set.

Compare key dates with other districts

Choose one or two related districts to line up major planning dates with Oyster River Cooperative School District.

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About This Calendar

Data Source: 2026-2027 SCHOOL CALENDAR How we verify dates

Disclaimer: This website is not affiliated with Oyster River Cooperative School District, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.