School overview
At a glance
Reported students
754
NCES CCD 2024–25, where reported
Teachers (FTE)
93.46
NCES CCD 2024–25
Student–teacher ratio
8.1:1
Calculated, not a class-size measure
Grades served
07–12
NCES preliminary directory 2025–26
School benchmarks
Massachusetts high enrollment
58th percentile
Compared with 378 same-level schools reporting enrollment.
District median enrollment
361
Charlestown High School: 754 reported students.
State peer staffing position
8th percentile
8.1:1 reported; state peer median 11.3:1. Ratio is not class size.
Profile interpretation
What the reported data says about Charlestown High School
Charlestown High School is a public high school serving grades 07–12 in Charlestown. It is one of 105 current school records connected to Boston. NCES reports 754 students for 2024–25.
Among 378 high schools in Massachusetts with comparable records, this school is larger than the reported median of 675.5 students. Its enrollment is at approximately the 58th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 8.1:1, below the Massachusetts median of 11.3:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are Hispanic or Latino (64.1%) and Black (21.6%). English learners represent 36.5% of enrollment. Students served under IDEA represent 31.7%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement. The school reported 5 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Charlestown High School
- 1How do the reported 8.1:1 student–teacher ratio and 93.46 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 3 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 36.5%
- Students with disabilities
- 31.7%
- Free/reduced-price lunch
- Not reported
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 3
- Nurses (FTE)
- 1.5
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 1
Student demographics
Race and ethnicity share of reported enrollment
- White7.3%
- Hispanic64.1%
- Black21.6%
- Asian5.4%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0%
- Multiracial1.6%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
5 courses reported
Gifted and talented
Not reported as offered
Computer science
Not reported as offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
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