Enrollment
329
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · South Hamilton, MA
Federal NCES profile for Winthrop School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
The verdict
Winthrop School earns 57/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
Winthrop School has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Winthrop School ranks #1 of 3 public schools in South Hamilton, MA.
NCES ID 250567000821 Verify on NCES CCD record →
Enrollment
329
Massachusetts · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
12.7:1
vs 12.3:1 Massachusetts avg
+3% vs state
How Winthrop School compares with Massachusetts and U.S. medians
Slightly above state median
12.7:1 - 0.4 above the Massachusetts state median of 12.3:1, indicating larger average class loads than typical schools in the state.
Winthrop School is a mid-sized combined-grade school in South Hamilton, Massachusetts, enrolling 329 students.
Class loads run somewhat heavier than typical: 12.7:1 puts it in the larger third of Massachusetts schools by student-teacher ratio.
With 329 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index outscores 95% of the 1,831 Massachusetts schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (86% of enrollment) (diversity index 25/100).
Counselor coverage is strong, about 165 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 7.6% of students were chronically absent, below the typical post-pandemic national figure.
Hamilton-Wenham also operates Hamilton-Wenham Regional High (448 students) and Miles River Middle (391 students) alongside Winthrop 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
Winthrop 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 | 12.7:1 | ▲ 3% | 12.3:1 | 15.7:1 |
| Enrollment | 329 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 86.3% of enrollment.
Simpson diversity index - at 24.9, Winthrop School is less mixed than the Massachusetts school average of 47.3.
District-wide per-pupil expenditure for Hamilton-Wenham, which includes Winthrop School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hamilton-Wenham Regional High | Larger | No free-lunch data | Lower S:T ratio |
| Miles River Middle | Similar size | No free-lunch data | Lower S:T ratio |
| Bessie Buker Elementary | Similar size | No free-lunch data | Higher S:T ratio |
| Cutler School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Winthrop School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Winthrop School's federal record.
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.
Winthrop School has 329 students enrolled. It is a public school in South Hamilton, MA.
The student-teacher ratio at Winthrop School is 12.7:1, which is 3% higher than the Massachusetts average of 12.3:1 and 19% lower than the national average of 15.7:1.
The largest demographic group at Winthrop School is White at 86.3% of enrollment, in South Hamilton, MA.
Winthrop School has a Resource Investment Index of 57/100 (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).
By Resource Investment Index, Winthrop School ranks #1 of 3 public schools in South Hamilton, 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 South Hamilton on the city page.
Winthrop School earns 57/100 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.
Besides Winthrop School, Hamilton-Wenham also operates Hamilton-Wenham Regional High (448 students), Miles River Middle (391 students), and Bessie Buker Elementary (255 students). See the Hamilton-Wenham district page for the complete list.
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.
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PlainSchools, “Winthrop School, South Hamilton MA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/winthrop-school-ma
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