Chelsea High
Public
High Grades 9–12
Part of Chelsea
299 Everett Avenue, Chelsea, MA 02150 · (617) 466-5000
Community ratings
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Academic performance
Math proficiency15%
State average 36.7%
Reading / language arts27%
State average 49.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,649Students enrolled
13:1Student–teacher ratio
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9510
Grade 10403
Grade 11371
Grade 12359
Ungraded6
Students
Hispanic · 89%1,460
White · 5%84
Black · 4%72
Asian · 1%15
Two or more races · 1%14
American Indian/Alaska Native · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,455’20
1,498’21
1,611’22
1,680’23
1,649’24
Location
299 Everett Avenue Chelsea
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.