C−
Chelsea High
PublicHighGrades 9–12
299 Everett Avenue, Chelsea, MA 02150 · (617) 466-5000 · Part of Chelsea School District
Students
1,649
Students per teacher
13:1
Setting
Suburb
Grades
9–12
What stands out about Chelsea High
- Math proficiency 22 pts below the state
- Reading / language arts 22 pts below the state
- Enrollment up 13.3% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency15%
State average 36.7%
Reading / language arts27%
State average 49.3%
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.
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.
What neighbors say
No ratings yet. Be the first neighbor to rate it.
Parents talk
Conversations in Town Square that mention Chelsea High.
Other schools in Chelsea School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.