Serving 406 students in grades 9-12, Cohasset High School ranks in the top 10% of all schools in Massachusetts for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the Massachusetts state average of 41%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the Massachusetts state average of 44%).
The student:teacher ratio of 10:1 is lower than the Massachusetts state level of 12:1.
Minority enrollment is 9% of the student body (majority Black and Asian), which is lower than the Massachusetts state average of 47% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 406 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 9%
- Graduation Rate: ≥95% (Top 20% in MA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 65-69% (Top 20%)
- Reading Proficiency: 75-79% (Top 5%)
- Science Proficiency: 60-64% (Top 30%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Cohasset High School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Cohasset High School's student population of 406 students has declined by 51% over five school years.
The teacher population of 39 teachers has declined by 45% over five school years.
School Mascot
Skipper
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
406 students
Gender %
Total Classroom Teachers
39 teachers
Year Founded
1838
School Colors
White, Navy Blue, Silver
School Rankings
Cohasset High School ranks within the top 10% of all 1,631 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Cohasset High School is 0.17, which is less than the diversity score at state average of 0.65. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#110 out of 1631 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
65-69%
41%
Reading/Language Arts Test Scores (% Proficient)
75-79%
44%
Science Test Scores (% Proficient)
60-64%
44%
Student : Teacher Ratio
10:1
12:1
American Indian
n/a
n/a
Asian
2%
7%
Hispanic
1%
25%
Black
3%
10%
White
91%
53%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
≥95%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
6%
35%
Eligible for Reduced Lunch
2%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Cohasset High School's ranking?
Cohasset High School is ranked #110 out of 1,631 schools, which ranks it among the top 10% of public schools in Massachusetts.
What schools are Cohasset High School often compared to?
Cohasset High Schoolis often viewed alongside schools like Techboston Academy by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 41% MA state average), while 75-79% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Cohasset High School?
The graduation rate of Cohasset High School is 95%, which is higher than the Massachusetts state average of 90%.
How many students attend Cohasset High School?
406 students attend Cohasset High School.
What is the racial composition of the student body?
91% of Cohasset High School students are White, 3% of students are Black, 3% of students are Two or more races, 2% of students are Asian, and 1% of students are Hispanic.
What is the student:teacher ratio of Cohasset High School?
Cohasset High School has a student ration of 10:1, which is lower than the Massachusetts state average of 12:1.
What grades does Cohasset High School offer ?
Cohasset High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Cohasset High School part of?
Cohasset High School is part of Cohasset School District.
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