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Cohasset Public Schools

Empower Students to Improve Communities

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Two people sail a small sailboat on a body of water.

A mascot in a sailor-themed outfit smiles in a hallway.

Small school. Big impact.

Welcome to Cohasset Public Schools, a close-knit public school community located in the heart of Massachusetts.

The Cohasset Public School System has 4 schools: Joseph Osgood (PreK-2); Deer Hill (3-5); Cohasset Middle (6-8); Cohasset High (9-12). Cohasset is a highly academic community with 96% of the graduates continuing on to post-secondary education. Standardized measurements such as the Massachusetts Comprehensive assessment Exam (MCAS), SAT, ACT and AP exams show students to test in the above average range. The average class size is 20 with a student:teacher ratio of 13.9 to 1. The school population is around 1,382 students. The school boasts strong activities that center of athletics, music, and the sciences. The school colors are blue and white and the school's mascot is the Skippers. As a coastal community they are able to use the geographic location as part of an outdoor classroom.

News & Announcements

Katie Kennealy presents at CCSCR

April 18, 2026

Katie Kennealy presents at CCSCR

Congratulations to sophomore Katie Kennealy, who will be presenting as a Civics Project Showcase Student Leader at Thayer's James Pener Environmental Stewardship Conference on April 13 with a stude...

Gold Medal Winner, Will Alberti

April 18, 2026

Gold Medal Winner, Will Alberti

Congratulations to senior Will Alberti for earning a Gold Medal from the Scholastic Art and Writing Awards. Special thanks to Ms. Anthony for her support. Check out the winning photo, "Dive".

More news...

Upcoming Events

Accessibility View of Full-Page Calendar

View the full calendar to see all events happening soon!

At a Glance

Quick stats that highlight who we are — by the numbers.

  • 1,382

    Enrolled Students
  • 135

    Certified Teachers
  • 13,9:1

    Student to Teacher Ratio
  • 97.9%

    Graduation Rate

The words 'We Are Cohasset' are centered within a stylized 'C' shape, surrounded by logos.

Community Partnerships, Events, and Registrations

Click on the links to learn more about each organization. Visit our Cohasset Community page to find information about upcoming community events and registrations (i.e.. youth sports, CSCR, Holly Hill events, etc.)

 

PSO   Holly Hill Farm
CEF   Safe Harbor Cohasset Coalition
SEPAC   The Massachusetts Partnership for Youth
Town of Cohasset   William James College Interface Referral Service