Average
#1353 of 1,791 schools in MA
Charlestown High School
High School · Boston
240 Medford Street, Charlestown, MA 02129
Enrollment
789
Student-Teacher
8.5:1
Score
5.1
Grades
7th – 12th
Enrollment
789
Student-Teacher
8.5:1
Score
5.1
Grades
7th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Charlestown
#3 of 3
public schools
Massachusetts high schools
#306 of 366
In district
#98 of 109
Boston
School environment
9.8 / 10
Exceptional
About Charlestown High School
Charlestown High School serves grades 7 through 12 in Charlestown, Massachusetts, with an enrollment of 789 students. The school maintains a student-teacher ratio of 8.5:1, supported by 93 full-time equivalent teachers, offering relatively personalized classroom environments for a public high school. Academically, Charlestown High School is working toward improving student outcomes.
Currently, proficiency rates are significantly below state averages across core subjects. In English language arts and math, approximately 10% of students perform at or above proficiency levels, while science proficiency stands at 4%. These numbers reflect substantial room for academic growth and development.
The school ranks in the 10th percentile statewide among Massachusetts schools, indicating it's among those with the greatest opportunities to strengthen instructional practices and student achievement. Despite these academic challenges, the school remains a fixture in its urban community, located at 240 Medford Street in Charlestown's large city setting. For families considering this school, it's important to understand current performance levels and to discuss with school administrators what specific initiatives and support systems are in place to help students progress academically.
What Parents Should Know
With a student-teacher ratio of 8.5:1, Charlestown High School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Charlestown High School — Students at Charlestown High School score 14% proficient, which is below what's typical for similar communities (expected: 21%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.2%
Students qualifying for federal meal assistance
Test Scores MA MCAS (2024-25)
Based on 54 test records from MA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.6/10.
How Charlestown High School Compares
See how Charlestown High School performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has declined from 27% (2019) to 12% (2022). Reading/ELA proficiency has remained stable from 17% (2019) to 17% (2022).
Location
240 Medford Street, Charlestown, MA 02129
Nearby Alternatives
Families considering Charlestown High School may also want to explore other high schools in the area. Community Charter School of Cambridge (rated 7.8/10, 1.5 miles away, in nearby Cambridge), which scores notably higher. Additionally, East Boston High School (rated 5.0/10, 1.3 miles away, in nearby East Boston), with a very similar rating. For more schools in Charlestown, see our Charlestown schools guide .
Nearby Schools
20 within 1.5 mi| School | Distance | Rating |
|---|---|---|
| Warren-Prescott K-8 School Charlestown | 0.2 mi | 9.3 |
| Harvard-Kent Elementary School Charlestown | 0.3 mi | 8.3 |
| Eliot K-8 Innovation School Boston | 1.0 mi | 9.6 |
| SEAPORT ACADEMY Chelsea | 1.0 mi | — |
| ST JOHN SCHOOL Boston | 1.2 mi | 6.1 |
| Mario Umana Academy East Boston | 1.0 mi | 5.8 |
| EAST BOSTON CENTRAL CATHOLIC SCHOOL East Boston | 1.2 mi | 6.1 |
| O'Donnell Elementary School East Boston | 1.2 mi | 7.0 |
| Adams School Everett | 1.6 mi | 4.7 |
| Sumner G. Whittier School Everett | 1.7 mi | 3.1 |
| THE ADVENT SCHOOL Boston | 1.6 mi | 8.0 |
| Alighieri Dante Montessori School East Boston | 1.3 mi | 8.8 |
| ST ANTHONY SCHOOL Everett | 1.8 mi | 6.2 |
| East Boston High School East Boston | 1.3 mi | 5.0 |
| PARK STREET SCHOOL Boston | 1.7 mi | 6.5 |
| E Somerville Community Somerville | 1.4 mi | 4.6 |
| Capuano Early Childhood Center Somerville | 1.3 mi | 7.6 |
| Community Charter School of Cambridge Cambridge | 1.5 mi | 7.8 |
| Otis Elementary School East Boston | 1.4 mi | 8.5 |
| Shurtleff Early Childhood Chelsea | 1.5 mi | 5.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 02129 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$157,192
Median Home Value
$926,000
Median Rent
$2,258/mo
Population
19,994
College Educated
71.4%
Homeownership
49.6%
Avg Commute
29.3 min
Poverty Rate
6.3%
Median Age
36
Community Profile
The community surrounding Charlestown High School has a median household income of $157,192. It is a well-educated community where 71% of adults hold a bachelor's degree or higher. The median home value in the area is $926,000, with a median rent of $2,258/month. The local poverty rate of 6.3% is relatively low. The average commute for residents is 29 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Palmer High Palmer, MA | 5.1 |
| Smith Vocational and Agricultural High Northampton, MA | 5.1 |
| Abington High Abington, MA | 5.0 |
| MALDEN CATHOLIC HIGH SCHOOL Malden, MA | 5.0 |
| Argosy Collegiate Charter School Fall River, MA | 5.2 |
| Boston International High School & Newcomers Academy Dorchester, MA | 5.2 |
Frequently Asked Questions
Common questions about Charlestown High School
What grades does Charlestown High School serve?
Charlestown High School serves students in grades 7th through 12th.
How many students attend Charlestown High School?
Charlestown High School has an enrollment of approximately 789 students.
What is the student-teacher ratio at Charlestown High School?
The student-teacher ratio at Charlestown High School is 8.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Charlestown High School rank in MA?
Charlestown High School is ranked #1353 out of 1,791 schools in MA.
What is Charlestown High School's MySchoolScout rating?
Charlestown High School has a composite rating of 5.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Charlestown High School?
Based on the most recent state assessment data, Charlestown High School has 10.3% math proficiency and 10.2% reading/ELA proficiency.
Is Charlestown High School a charter school?
No, Charlestown High School is not a charter school. It is a traditional public school operated by the local school district.
Is Charlestown High School a Title I school?
No, Charlestown High School is not currently a Title I school.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 7th – 12th
- Enrollment
- 789
- Student-Teacher Ratio
- 8.5:1
- Teachers (FTE)
- 93
- Type
- regular
- Setting
- Large City
- County
- Suffolk County
- Phone
- (617) 635-9914
- Data Year
- 2023–2024
Resources & Links
District
Boston- District Enrollment
- 45,742
- Schools in District
- 109
- Per-Pupil Spending
- $37,200
- District Rank
- #98 of 109
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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