Charlestown High School
Public
High Grades 7–12
Part of Boston
240 Medford Street, Charlestown, MA 02129 · (617) 635-9914
Community ratings
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Academic performance
Math proficiency12%
State average 36.7%
Reading / language arts17%
State average 49.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
754Students enrolled
8:1Student–teacher ratio
CitySetting
Regular SchoolSchool type
Enrollment by grade
Grade 725
Grade 835
Grade 9105
Grade 10148
Grade 11209
Grade 12180
Ungraded52
Students
Hispanic · 64%483
Black · 22%163
White · 7%55
Asian · 5%41
Two or more races · 2%12
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
785’20
821’21
792’22
789’23
754’24
Location
240 Medford Street Charlestown
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.