D−
Chelsea Opportunity Academy
PublicHighGrades 9–12Alternative Education School
299 Everett Avenue, Chelsea, MA 02150 · (617) 466-5000 · Part of Chelsea School District
Students
132
Students per teacher
19:1
Setting
Suburb
Grades
9–12
What stands out about Chelsea Opportunity Academy
- School Grade D−: test results are near the bottom of the state
- Math proficiency 40 pts below the state
- Reading / language arts 52 pts below the state
- Enrollment up 30.7% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency-3%
State average 36.7%
Reading / language arts-3%
State average 49.3%
Location
Directions ↗
299 Everett Avenue, Chelsea
Students
Enrollment by grade
Grade 918
Grade 1047
Grade 1144
Grade 1223
Enrollment over time
101’20
117’21
115’22
125’23
132’24
Up 30.7% since 2020.
Who goes here
Hispanic 93%White 3%Black 3%Asian <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Chelsea Opportunity Academy.
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.