← Back to High School RankingsMassachusetts public high school
Charlestown High School
Boston school district
Ranks #323 of 335 Massachusetts high schools.
Overall rank
#323
of 335 schools
Average SAT
854
MA average 1091
Graduation rate
64%
MA average 92%
Plan on college
51%
MA average 72%
SAT is the average total score of test takers. Graduation is the four-year rate. College is the share of graduates who report plans to attend a 2- or 4-year college.
Charlestown is one of Boston's oldest neighborhoods, located on a peninsula north of downtown across the Charles River. Founded in 1628, it predates the city of Boston itself and is home to historic landmarks including the Bunker Hill Monument and the USS Constitution. The neighborhood is known for its brick rowhouses, waterfront location with views of Boston Harbor, and rich Colonial and Revolutionary War history.
How it compares
What stands out
- +Best of its categories: AP results, in the bottom 10% statewide. 32% of AP exams in 2025 scored 3 or higher, vs 66% at the typical MA high school.
- ↑Trend: The graduation rate has risen from 51.2% in 2021 to 63.5% in 2024.
- ↓Trend: ELA MCAS is down 21 points since 2023 (34% to 13%); statewide it fell 13 points.
Where it stands among 335 Massachusetts high schools
Overall
Well below averagebottom 4% · #323
SAT
Well below averagebottom 8% · #311
ELA MCAS
Well below averagebottom 4% · #317
Math MCAS
Well below averagebottom 7% · #308
AP results
Well below averagebottom 10% · #288
Graduation
Well below averagebottom 2% · #327
College plans
Well below averagebottom 9% · #305
The overall rank weighs SAT (30%), MCAS (25%), AP results (20%), and graduates' college plans (25%). Categories rank only the schools with data for them. How we rank
SAT
Average total score854in 2025 · MA avg 1091
237 points below the MA avg
By section (out of 800)
Reading & writingWorse than average
108 students took the SAT.
"MA avg" is the average of the 335 high schools we rank. Only students who choose to take the SAT are counted.
MCAS (10th grade)
Share of 10th graders meeting or exceeding expectations. Statewide results dropped after 2024, when passing the MCAS stopped being a graduation requirement. There was no test in 2020.
English Language Arts13%in 2026 · state 45%
32 points below the state
Math13%in 2026 · state 44%
31 points below the state
Biologyhigh school science, 2026Worse than average
Detailed scores
Average scaled score, ELA · Math · Science (500+ = meeting expectations)476 · 484 · 477
Achievement percentile vs. MA schools (ELA · Math)8th · 18th
Student growth percentile, ELA · Math (50 = typical growth)45 · 54
AP & advanced courses
AP exams scored 3+32%in 2025 · MA avg 66%
34 points below the MA avg
Score breakdown
Score 5: 3%Score 4: 9%Score 3: 20%Score 2: 34%Score 1: 34%
86 students took 141 AP exams. A 3 or higher can earn college credit.
Completed an advanced coursegrades 11–12Worse than average
9th graders passing all coursesWorse than average
After high school
Four-year graduation rate64%in 2024 · MA avg 92%
28 points below the MA avg
Dropped outof the four-year classWorse than average
16.4% of the class were still in school after four years.
Plan to attend college51%in 2025 · state 72%
22 points below the state
Graduates' plans · 188 graduates
4-year public college20.7% 2-year public college16.5% 4-year private college10.6% 2-year private college2.7% Students
Who attends
Black/African American21.6% 40.6% female · 59.4% male
Student needs
High needslow income, English learner, or disabilityHigher than average
Low incomeHigher than average
English learnersHigher than average
Teachers
Licensed teachersAbout average
Experienced teachersWorse than average
Teaching in their fieldAbout average
Students per teacher
8.1MA avg 11.893.5 full-time-equivalent teachers
Attendance & safety
Attendance rateWorse than average
Chronically absentmissed 10%+ of daysWorse than average
35.4 days absent per student (MA avg 13.2) · Suspensions: 1.8% out-of-school, 0% in-school (MA high school avg 4% / 2.2%)
About Boston
Suffolk County · Greater Boston — Inside I-95
Avg single-family home value$615KMA median $588K
Avg property tax bill$7,627MA median $6,814
Tax rate$12.40 per $1,000MA median $12.40
Income per person$67,404MA median $47,872
Local kids in public school86.4%
Town bond ratingAAA
Boston district profile · What could you afford here? · All towns A–Z
Town figures are FY2026 averages for single-family homes from the Massachusetts Department of Revenue. Assessed values usually run below recent sale prices. "MA median" is the median of the state's 351 towns.
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