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SCHOOL COMMUNITY·COHASSET·NCES 250378000518

Cohasset High School

143 Pond Street, Cohasset, MA 02025 · (781) 383-6100 · Norfolk County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL381 STUDENTS
A+
allk12 Grade
Scored higher than 98% of Massachusetts public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • A+Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Massachusetts public high schools

Enrollment
381
High
DISTRICT 349 · STATE 777
Student : Teacher
9.0:1
43 FTE teachers
DISTRICT 10.9:1 · STATE 23.4:1
Free / Reduced Lunch
,
Title I proxy
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 98121%
Grade 109425%
Grade 1110828%
Grade 129826%
Student demographics
16%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 18% · STATE 65% · US 70%
White
34891%
DISTRICT 90% · STATE 51% · US 43%
Hispanic
41%
DISTRICT 3% · STATE 26% · US 30%
Black
123%
DISTRICT 3% · STATE 10% · US 15%
Asian
72%
DISTRICT 1% · STATE 7% · US 6%
Two+
103%
DISTRICT 3% · STATE 5% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19952%
Female
18248%

School pathway

Feeds from
Cohasset Middle School06–08
Based on grade levels within Cohasset. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

MCAS 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
86.0%
MA avg 43.8% . +8.0pp since 2016
Math
77.0%
MA avg 42.2% . +13.0pp since 2016

What this means: On the MCAS, Massachusetts's statewide test, about 86 of every 100 students at this school read and write at grade level and about 77 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores are up about 8 points since 2016, while math scores are up about 13 points.

MCAS results by year

School yearEnglish Language ArtsMath
2024-2586.0%77.0%
2023-2493.0%72.0%
2022-2390.0%86.0%
2021-2277.0%67.0%
2020-2189.0%80.0%
2018-1977.6%69.8%
2017-1868.0%58.0%
2016-1778.0%64.0%
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: MCAS. All students, all grades. See all years and grades →

Where Cohasset High School ranks

Among high schools
MeasureThis schoolIn MassachusettsIn Norfolk County
Math proficiency
ranked highest first
77.0%#26 of 327
▲ 15
#6 of 30
▲ 3
Reading proficiency
ranked highest first
86.0%#3 of 326
▼ 1
#2 of 30
▼ 1
3-year test score change
ranked biggest gain first
+9.5pp#12 of 315#1 of 30
Enrollment
ranked largest first
381#287 of 379#29 of 32
Students per teacher
ranked fewest first
9.0:1#21 of 325#1 of 30
Diversity index
ranked most diverse first
16.4%#314 of 325#30 of 30
Enrollment change since 2017-18
ranked steepest decline first
-55.0%#2 of 188#1 of 18
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
381
-66 (-15%) vs 2020
-22% since 1990-91, when it was 486
Student : Teacher
9.0:1
was 11.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2538142.59.0:1N/A
2023-2440639.510.3:1N/A
2022-2343138.111.3:1N/A
2020-214474011.2:1N/A
2017-1884671.711.8:1N/A
2015-168456712.6:1N/A
2010-117185313.6:12% (16)
2000-01512N/AN/A1% (7)
1990-91486N/AN/AN/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Cohasset High School.

Since 2017-18: students down 55% (846 to 381); teachers down 41% (71.7 to 42.5).

About Cohasset High School

Cohasset High School, located in Cohasset, Massachusetts, is a small high school. School enrollment was 381 students in 2024-25, in grades 9 through 12. The average among high schools in Massachusetts is roughly 777 students; this school is 51% smaller than that.

Cohasset High School is one of the 4 schools that make up Cohasset (1,397 students in total).

About 91% of the student body at Cohasset High School is White. Smaller groups are 3% Black and 3% multiracial. County-wide, 70% of Norfolk County residents are White. The school's diversity index is 16%, meaning two students picked at random have a 16% chance of belonging to different racial or ethnic groups.

The school's student-to-teacher ratio is about 9.0:1, with 42.5 full-time-equivalent teachers. That is lower than the 23.4:1 average for high schools in Massachusetts.

allk12 grades Cohasset High School an A+. The grade compares the school only with Massachusetts public high schools, because each state gives its own test.

Recent Census Bureau figures for Norfolk County show that the median household income is $130,739, 59% of adults hold a bachelor's degree or higher, and about 4% of residents live below the federal poverty line. Cohasset High School is one of 198 public schools in the county.

Cohasset Middle School is the public school closest to Cohasset High School, less than a tenth of a mile away. There are at least 8 other public schools within five miles.

The National Center for Education Statistics classifies the school's location as Suburb: Large, meaning it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Federal data show a 15% enrollment decrease, from 447 in 2020-21 to 381 in 2024-25. The student-to-teacher ratio fell from 11.2:1 in 2020-21 to 9.0:1 in 2024-25.

Discussions about Cohasset High School may include enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.

Norfolk County at a glance

View full county profile
Population
730,082
Census ACS
Median income
$130,739
Household, ACS
Bachelor's+
59%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
198
101,300 students

Quick facts

School name
Cohasset High School
District
Cohasset
Address
143 Pond Street, Cohasset, MA 02025
Phone
(781) 383-6100
County
Norfolk County
Level
High
Grade range
09–12
Total enrollment
381
Teachers (FTE)
43
Student–teacher ratio
9.0:1
Locale
21-Suburb: Large
NCES ID
250378000518
Charter school
No
Virtual school
No

Related schools

Other schools in Cohasset
Other schools in Cohasset
Nearby schools

Frequently asked questions

About Cohasset High School
How many students attend Cohasset High School?
Cohasset High School enrolls approximately 381 students in grades 09-12.
What grades does Cohasset High School serve?
Cohasset High School serves grades 09-12.
How many teachers does Cohasset High School have?
Cohasset High School employs 43 FTE teachers, for a student-to-teacher ratio of 9.0:1.
How diverse is Cohasset High School?
Cohasset High School reports a student body of 91% White, 1% Hispanic, 3% Black, 2% Asian, 3% Two or more.
Is Cohasset High School public or private?
Cohasset High School is a public K-12 school, overseen by Cohasset.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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