Enrollment
758
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · Watertown, MA
Hosmer
Federal NCES profile for Hosmer, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataOther / mixed grade configurationNCES 251218002001
👥 S:T ratio 56
🌟 Gifted program 30
🎓 Counselors 49
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Hosmer earns 49/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #3 of 5
- public schools in Watertown · Resource Index
- 49
- Resource Index · Higher
- 11:1
- students per teacher
- 758
- students enrolled
Hosmer has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Hosmer ranks #3 of 5 public schools in Watertown, MA.
School address
District: Watertown · Massachusetts
NCES ID 251218002001 Verify on NCES CCD record →
Teachers (FTE)
69.0
Federal CCD staff survey
Students per teacher
11:1
vs 12.3:1 Massachusetts avg
-11% vs state
Student-teacher ratio in context
How Hosmer compares with Massachusetts and U.S. medians
What stands out at Hosmer
Hosmer is a large combined-grade school in Watertown, Massachusetts, enrolling 758 students.
Class sizes run a bit leaner than typical: 11:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
Enrollment of 758 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index lands in the upper third of 1,831 scored Massachusetts schools.
Its student body is led by White (52%) and Hispanic or Latino (21%) (diversity index 66/100).
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
16.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Watertown spends $27,743 per pupil, 24% above the Massachusetts average, a better-resourced district than most.
Watertown also operates Watertown High (761 students) and Watertown Middle (583 students) alongside Hosmer.
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 Hosmer compares
Hosmer on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11:1 | ▼ 11% | 12.3:1 | 15.7:1 |
| Enrollment | 758 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11:1
Leaner classes than 83% of US schools, among the more generously staffed nationally.
758
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
11:1
students per teacher
- 11% below state mean
Top 34% in Massachusetts - lower ratio than 66% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$27,743
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 253 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
White 51.9%
Hispanic or Latino 20.9%
Two or More 11.1%
Asian 8.9%
African American 7.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 51.9% of enrollment.
Student-body diversity index 66.2/100
Simpson diversity index - at 66.2, Hosmer is more mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Watertown, which includes Hosmer.
$27,743
Per student
+24%
vs Massachusetts
Avg $22,458
+67%
vs U.S.
Avg $16,593
Revenue mix
Local 77.0%
State 18.0%
Federal 5.0%
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 Hosmer Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Watertown High | Similar size | No free-lunch data | Similar S:T ratio |
| Watertown Middle | Similar size | No free-lunch data | Similar S:T ratio |
| James Russell Lowell | Smaller | No free-lunch data | Similar S:T ratio |
| Cunniff | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Hosmer's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 761
- Students per teacher
- 10.6:1
- Resource Index
- 51/100
- Enrollment
- 583
- Students per teacher
- 11.2:1
- Resource Index
- 51/100
- Enrollment
- 422
- Students per teacher
- 10.3:1
- Resource Index
- 43/100
- Enrollment
- 320
- Students per teacher
- 9.1:1
- Resource Index
- 46/100
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 (~758 students)
Next steps
Verify locally before acting on Hosmer's federal record.
- Compare Hosmer against another school. Compare schools
- Watertown'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 Hosmer
How many students attend Hosmer?
Hosmer has 758 students enrolled. It is a public school in Watertown, MA.
What is the student-teacher ratio at Hosmer?
The student-teacher ratio at Hosmer is 11:1, which is 11% lower than the Massachusetts average of 12.3:1 and 30% 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 Hosmer?
The largest demographic group at Hosmer is White at 51.9% of enrollment, in Watertown, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.2/100.
What is the Resource Investment Index for Hosmer?
Hosmer has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Hosmer rank among public schools in Watertown?
By Resource Investment Index, Hosmer ranks #3 of 5 public schools in Watertown, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Watertown on the city page.
Is Hosmer a good school?
Hosmer earns 49/100 on the Resource Investment Index, with class sizes near the Massachusetts median. 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 Watertown?
Besides Hosmer, Watertown also operates Watertown High (761 students), Watertown Middle (583 students), and James Russell Lowell (422 students). See the Watertown 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.