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C−

Chelsea High

PublicHighGrades 9–12

299 Everett Avenue, Chelsea, MA 02150 · (617) 466-5000 · Part of Chelsea School District

Chelsea’s School Grade D− better than 3% of Massachusetts school districts

Directions
Students
1,649
Students per teacher
13:1
Setting
Suburb
Grades
9–12
The gist

What stands out about Chelsea High

  • Its own letter, C−: better results than 16% of Massachusetts’s public schools
  • Math proficiency 22 pts below the state
  • Reading / language arts 22 pts below the state
  • Enrollment up 13.3% since 2020–21

On the path

Where Chelsea kids come from and go next. The whole path →

5–83 middle schoolsDepends on your address
9–12Chelsea HighYou are here

Test scores

2020–21
Math proficiency15%
State average 36.7%
Reading / language arts27%
State average 49.3%

Its own letter, C−, places these results among Massachusetts’s 1,585 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

299 Everett Avenue, Chelsea

Students

Enrollment by grade
Grade 9510
Grade 10403
Grade 11371
Grade 12359
Ungraded6
Enrollment over time
1,455’20
1,498’21
1,611’22
1,680’23
1,649’24

Up 13.3% since 2020–21.

Who goes here
Hispanic 89%White 5%Black 4%Asian <1%Two or more races <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Chelsea High from Chelsea families.

Other schools in Chelsea School District

The district →
Shurtleff Early Childhood
Elementary · Grades PK–1 · Chelsea
779 students13:1
George F. Kelly Elementary
Elementary · Grades 1–5 · Chelsea
C
527 students12:1
Frank M Sokolowski Elementary
Elementary · Grades 1–4 · Chelsea
D
472 students11:1
William A Berkowitz Elementary
Elementary · Grades 1–4 · Chelsea
D
455 students12:1
Edgar F. Hooks Elementary
Elementary · Grades 1–4 · Chelsea
C−
430 students11:1
Clark Avenue School
Middle · Grades 5–8 · Chelsea
D
673 students13:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Massachusetts’s other public schools; Chelsea’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.