Chelsea Opportunity Academy
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 proficiency-3%
State average 36.7%
Reading / language arts-3%
State average 49.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
132Students enrolled
19:1Student–teacher ratio
SuburbSetting
Alternative Education SchoolSchool type
Enrollment by grade
Grade 918
Grade 1047
Grade 1144
Grade 1223
Students
Hispanic · 93%123
White · 3%4
Black · 3%4
Asian · 1%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
101’20
117’21
115’22
125’23
132’24
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.