Horace Mann School for the Deaf Hard of Hearing

Charlestown · MA · Boston · Public · K-12 combined


📋 At a glance

Academic signals
  • 🎓 4-yr grad rate: 75% (Bottom 21% of US high schools by 4-yr grad rate)

Composed from EDFacts graduation data, and other public data. Full breakdowns below.

This is a special-education school. It serves students with disabilities, who take alternate state assessments rather than the SAT/ACT. College-prep measures like test participation and AP rigor aren't collected here and don't reflect what this school does.
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Objective, government-grade data — no school pays us for placement.

🎓 4-year graduation rate · federal EDFacts

What % of students graduate on time?

Bottom 21% of US high schools by 4-yr grad rate

50th 90th
4-year graduation rate
75%
Range: 50–100%
4-year cohort size
9
Students in the 9th-grade entry class tracked over 4 years
Compared against
17,988
US high schools reporting 4-year ACGR

Source: federal EDFacts ACGR (Adjusted Cohort Graduation Rate), 2019 vintage via Urban Institute. EDFacts publishes a range (low-high) to preserve privacy on small cohorts; we display the midpoint.

👩‍🏫 Teacher workforce · federal CRDC

Teacher experience & reliability

% inexperienced teachers (1st-2nd yr)
2.2%
Strong: experienced corps. New teachers rotate through but most have ≥3 years in.
% chronic teacher absence (≥10 days/yr)
4.3%
Strong attendance culture among teachers.

Source: federal Civil Rights Data Collection (CRDC 2017-18 — the most recent vintage that publishes per-school teacher quality fields; the 2020-21 sweep had them suppressed). "Inexperienced" = teachers in their first or second year. "Chronic absence" = teachers absent 10+ days/year.

🏛️ Your state's public flagship

University of Massachusetts-Amherst

58%
admit rate
$17,772
in-state tuition/yr · $40,449 out-of-state
1300–1480
SAT 25–75 · ACT 29–33

The in-state tuition gap is the flagship's biggest draw — most in-state families pay far less than the out-of-state sticker. Average net price after aid runs about $22,383/yr. Admission odds depend on your student's GPA and test scores, not which high school they attend.

See the full University of Massachusetts-Amherst profile → Estimate your odds with your scores →

Source: IPEDS admissions, tuition & enrollment + College Scorecard net price. Flagship = the state's primary public research university.

Chronic absenteeism

Share of students absent 15+ days
26.0%
Elevated above the national average (~16%). Worth understanding — chronic absence compounds into dropout risk, transfer-out risk, and revenue loss.
Students absent 15+ days
19
Federal definition: absent (excused or unexcused) for at least 15 of ~180 school days — about 10% of the school year.

Why this matters to enrollment: Chronic absence is the most reliable early indicator that a student will leave a school — either by transferring out, dropping out, or matriculating to a charter or private alternative. At this level, today's absentees become next year's enrollment loss and the year-after's revenue loss.

Source: U.S. Department of Education, Civil Rights Data Collection 2020–2021. Rate = students chronically absent ÷ 2024 total enrollment.

Enrollment trend & projection

Total enrollment + grade 12, NCES Common Core of Data (2021–2024).

If the recent trend holds…

At its recent rate of +1.7%/year, projecting from 2024's 73 students:

2025
74
2027
77
2029
79

An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.

Most similar nearby high schools

The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.

SchoolTypeMilesHS enrollmentTrend
Carter School
Dorchester
Public 2.8 24
Devens School
Everett
Public 2.1 14
Full Circle High School
Somerville
Public 1.6 66 +26.9%
Community Academy
Jamaica Plain
Public 5.2 58
Curtis-Tufts
Medford
Public 2.6 11
Melvin H. King South End Academy
Boston
Public 2.4 76 -36.7%
City on a Hill Charter Public School
Roxbury
Public · charter 4.0 78 -65.9%
Greater Egleston High School
Roxbury
Public 4.8 77 -6.1%

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