Enrollment
754
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · Charlestown, MA
Charlestown High School
Federal NCES profile for Charlestown High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataOther / mixed grade configurationNCES 250279000215
👥 S:T ratio 62
🌟 Gifted program 30
🎓 Counselors 50
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Charlestown High School earns 35/100 on the Resource Investment Index, with class sizes smaller than 85% of Massachusetts schools.
- #3 of 3
- schools in Charlestown · Resource Index
- 35
- Resource Index · Typical
- 9.5:1
- small classes for Massachusetts
- 754
- students enrolled
Charlestown High School has class sizes smaller than 85% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Charlestown High School ranks #3 of 3 schools in Charlestown, MA.
School address
District: Boston · Massachusetts
NCES ID 250279000215 Verify on NCES CCD record →
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
9.5:1
vs 12.3:1 Massachusetts avg
-23% vs state
Student-teacher ratio in context
How Charlestown High School compares with Massachusetts and U.S. medians
What stands out at Charlestown High School
Charlestown High School is a large combined-grade school in Charlestown, Massachusetts, enrolling 754 students.
Classes run notably small here: at 9.5:1, Charlestown High School is leaner than roughly 85% of Massachusetts schools and 23% under the state's 12.3:1 norm, more adult attention per pupil than most peers.
Enrollment of 754 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index lands in the lower third of 1,831 scored Massachusetts schools.
Its student body is led by Hispanic or Latino (64%) and African American (22%) (diversity index 53/100).
Counselor coverage runs a bit thin, about 251 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 82.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Boston spends $34,835 per pupil, 55% above the Massachusetts average, a better-resourced district than most.
Among Charlestown's public schools, it stands alongside Warren-Prescott K-8 School (507 students): Charlestown High School is larger than that campus by headcount and runs leaner classes (9.5:1 vs 11.3:1).
Boston also operates Boston Latin School (2,424 students) and Boston Latin Academy (1,693 students) alongside Charlestown High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Charlestown High School compares
Charlestown High School on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.5:1 | ▼ 23% | 12.3:1 | 15.7:1 |
| Enrollment | 754 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.5:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
754
Bigger than 83% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
9.5:1
students per teacher
- 23% below state mean
Top 15% in Massachusetts - lower ratio than 85% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
82.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$34,835
per pupil, district-wide
- above Massachusetts avg of $22,458
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 251 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 30 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 4.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 64.1%
African American 21.6%
White 7.3%
Asian 5.4%
Two or More 1.6%
Largest group: Hispanic or Latino at 64.1% of enrollment.
Student-body diversity index 53.4/100
Simpson diversity index - at 53.4, Charlestown High School is more mixed than the Massachusetts school average of 47.3.
Programs
AP courses offered 5
Funding & spending
District-wide per-pupil expenditure for Boston, which includes Charlestown High School.
$34,835
Per student
+55%
vs Massachusetts
Avg $22,458
+110%
vs U.S.
Avg $16,593
Revenue mix
Local 62.0%
State 25.9%
Federal 12.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Charlestown High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Boston Latin School | Larger | No free-lunch data | Higher S:T ratio |
| Boston Latin Academy | Larger | No free-lunch data | Higher S:T ratio |
| O'bryant School of Math & Science | Larger | No free-lunch data | Higher S:T ratio |
| East Boston High School | Larger | No free-lunch data | Higher S:T ratio |
| Madison Park Technical Vocational High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Charlestown High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,424
- Students per teacher
- 19.5:1
- Resource Index
- 39/100
- Enrollment
- 1,693
- Students per teacher
- 18.6:1
- Resource Index
- 32/100
- Enrollment
- 1,509
- Students per teacher
- 14.8:1
- Resource Index
- 27/100
- Enrollment
- 1,252
- Students per teacher
- 13:1
- Resource Index
- 34/100
- Enrollment
- 1,121
- Students per teacher
- 9.6:1
- Resource Index
- 29/100
Similar other schools in Charlestown
2 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~754 students)
Next steps
Verify locally before acting on Charlestown High School's federal record.
- Compare Charlestown High School against another school. Compare schools
- Boston's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Charlestown High School
How many students attend Charlestown High School?
Charlestown High School has 754 students enrolled. It is a public school in Charlestown, MA.
What is the student-teacher ratio at Charlestown High School?
The student-teacher ratio at Charlestown High School is 9.5:1, which is 23% lower than the Massachusetts average of 12.3:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Charlestown High School?
The largest demographic group at Charlestown High School is Hispanic or Latino at 64.1% of enrollment, in Charlestown, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.4/100.
What is the Resource Investment Index for Charlestown High School?
Charlestown High School has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Charlestown High School rank among schools in Charlestown?
By Resource Investment Index, Charlestown High School ranks #3 of 3 schools in Charlestown, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Charlestown on the city page.
Is Charlestown High School a good school?
Charlestown High School earns 35/100 on the Resource Investment Index, with class sizes smaller than 85% of Massachusetts schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Boston?
Besides Charlestown High School, Boston also operates Boston Latin School (2,424 students), Boston Latin Academy (1,693 students), and O'bryant School of Math & Science (1,509 students). See the Boston district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.