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Needs Improvement

#1669 of 1,793 schools in MA

Charlestown High School

High School · Boston · Charlestown, MA

A Boston high school where students score 10 points below what's typical for similar communities.

240 Medford Street, Charlestown, MA 02129

  • Math 14% vs MA 42% (2025)
  • Reading 7% vs MA 46% (2025)
  • 59.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress4.7Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data17
Annual Change-2.37 pts/yr
Data Period2009–2025
TrendDeclining
Academics3.1Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency14% (2025 MCAS)
Reading/ELA Proficiency6.8% (2025 MCAS)
Math vs. State Avg-25.8 pts
Reading vs. State Avg-35.8 pts
Overall Proficiency10% (2025 MCAS, Math+ELA)
Expected (poverty-adj.)20% (model expectation from 2025 MCAS)
vs. Expected-9.6 pts
Adjusted Percentile12th
College Readiness4.2Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate59%
AP Participation10.4%
IB ProgramNo
Resources & Environment2.5Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio8.5:1
District spending per student$37,200
Chronic Absenteeism68.6%

Students at Charlestown High School score 10% proficient, which is below what's typical for similar communities (expected: 20%).

How we calculate scores →

2025 MCAS proficiency

Most recent published year. School vs. MA average.

Math Proficiency14%(2025 MCAS)
School
State
42%(2025 MCAS)
ELA Proficiency7%(2025 MCAS)
School
State
46%(2025 MCAS)

Trend

→ Steady

Proficiency is down 47 points across the 17-year record (2009–2025) and has held near 10% recently.

Show all 17 years
2009
Math
57%
ELA
57%
2010
Math
48%
ELA
53%
2011
Math
57%
ELA
62%
2012
Math
52%
ELA
62%
2013
Math
52%
ELA
57%
2014
Math
57%
ELA
62%
2015
Math
50%
ELA
71%
2016
Math
57%
ELA
72%
2017
Math
47%
ELA
57%
2018
Math
27%
ELA
17%
2019
Math
28%
ELA
17%
2020*
Math
12%
ELA
17%
2021*
Math
12%
ELA
18%
2022
Math
7%
ELA
14%
2023
Math
5%
ELA
10%
2024
Math
7%
ELA
3%
2025
Math
14%
ELA
7%

Multi-year averages used by the rating model: math 23% (multi-year average, 2009-2025) · reading/ELA 25% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 76 test records from MA state assessments and EdFacts (NCES).

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Charlestown High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Boston map →

Getting around & local context

  • Walk 90Walker's Paradise
  • Transit 61Good Transit
  • Bike 72Very Bikeable

Powered byWalk Score

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$157,192

Median home value

$926,000

Median rent

$2,258/mo

College educated

71.4%

Homeownership

49.6%

Poverty rate

6.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 02129; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs3AP courses offered
10.4% participation·State avg: 2.9 AP courses·CRDC via Urban Institute · SY 2021–22
Athletics14sports offered
7 boys'·7 girls'·14 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Seaport AcademyPrivate · tuitionNot rated9–121.0 mi24Compare →
East Boston High SchoolEnrollment path unverified4.77–121.3 mi1,293Compare →
Community Charter School of CambridgeCharter · enrollment unverified7.66–121.5 mi261Compare →
Boston Arts AcademyEnrollment path unverified7.09–12Not available473Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Boston

Schools in district
109
Rank in district
#104 of 109
District spending per student
$37,200NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
21.6%Census SAIPE · 2024

Charlestown High School is listed in Boston; a district label does not verify attendance for an address.

About Charlestown High School

Charlestown High School is a public high school in Charlestown, MA, part of Boston, serving approximately 789 students in grades 7th-12th with a 8.5:1 student-teacher ratio. It holds a MySchoolScout rating of 3.7 out of 10 and ranks #1,669 of 1,793 schools in MA. State assessment records show 23% math proficiency (multi-year average, 2009-2025) and 25% reading/ELA proficiency (multi-year average, 2009-2025).

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 ranks #1,669 of 1,793 schools in MA.

What is Charlestown High School's MySchoolScout rating?

Charlestown High School has a current MySchoolScout rating of 3.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Charlestown High School?

Based on loaded state assessment records, Charlestown High School has 23% math proficiency (multi-year average, 2009-2025) and 25% reading/ELA proficiency (multi-year average, 2009-2025).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
7th – 12th
Enrollment
789
Student-Teacher Ratio
8.5:1
Teachers (FTE)
93
Type
regular
Setting
Large City
County
Suffolk County
Chronic Absenteeism (SY 2022-23)
68.6%
4-Year Graduation
59.0%
Area population (ZIP 02129)
19,994
Area average commute
29.3 min
Area median age
36
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 MCAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 MCAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 02129; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

Related reading

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