Charlestown High School is a public school located at 240 Medford Street in Charlestown, Boston, Massachusetts, United States. Charlestown High School is the only high school in Charlestown. Charlestown is part of the Boston Public Schools.
Serving 754 students in grades 7-12, Charlestown High School ranks in the bottom 50% of all schools in Massachusetts for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 10-14% (which is lower than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 15-19% (which is lower than the Massachusetts state average of 44%).
The student-teacher ratio of 8:1 is lower than the Massachusetts state level of 12:1.
Minority enrollment is 93% of the student body (majority Hispanic), which is higher than the Massachusetts state average of 49% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 7-12
- Enrollment: 754 students
- Student-Teacher Ratio: 8:1
- Minority Enrollment: 93%
- Graduation Rate: 60-64% (Btm 50% in MA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 15-19% (Btm 50%)
- Science Proficiency: ≤5% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Charlestown High School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Percent Eligible For Free Lunch
Student Attention
School Overview
Charlestown High School's student population of 754 students has stayed relatively flat over five school years.
The teacher population of 93 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
754 students
Total Classroom Teachers
93 teachers
Year Founded
1845
School Rankings
Charlestown High School ranks within the bottom 50% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Charlestown High School is 0.54, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1518 out of 1626 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
42%
Reading/Language Arts Test Scores (% Proficient)
15-19%
44%
Science Test Scores (% Proficient)
≤5%
44%
Student-Teacher Ratio
8:1
12:1
American Indian
n/a
n/a
Asian
5%
8%
Hispanic
64%
26%
Black
22%
10%
White
7%
51%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
Graduation Rate
60-64%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
96%
34%
Eligible for Reduced Lunch (13-14)
2%
5%
School Statewide Testing
School District Name
Boston School District
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Charlestown High School's ranking?
Charlestown High School is ranked #1518 out of 1,626 schools, which ranks it among the bottom 50% of public schools in Massachusetts.
What schools are Charlestown High School often compared to?
Charlestown High Schoolis often viewed alongside schools like East Boston High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 42% MA state average), while 15-19% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Charlestown High School?
The graduation rate of Charlestown High School is 60-64%, which is lower than the Massachusetts state average of 90%.
How many students attend Charlestown High School?
754 students attend Charlestown High School.
What is the racial composition of the student body?
64% of Charlestown High School students are Hispanic, 22% of students are Black, 7% of students are White, 5% of students are Asian, and 2% of students are Two or more races.
What is the student-teacher ratio of Charlestown High School?
Charlestown High School has a student ration of 8:1, which is lower than the Massachusetts state average of 12:1.
What grades does Charlestown High School offer ?
Charlestown High School offers enrollment in grades 7-12 (Supplemental Virtual).
What school district is Charlestown High School part of?
Charlestown High School is part of Boston School District.
School Reviews
5 10/10/2025
The best school ever
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