Enrollment
534
Massachusetts · 2024-25 NCES data
High school (grades 9-12) · Blackstone, MA
Federal NCES profile for Blackstone Millville Rhs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
The verdict
Blackstone Millville Rhs earns 40/100 on the Resource Investment Index, with class sizes larger than 80% of Massachusetts schools.
Blackstone Millville Rhs has class sizes larger than 80% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Blackstone Millville Rhs ranks #3 of 4 public schools in Blackstone, MA.
NCES ID 250271500192 Verify on NCES CCD record →
Enrollment
534
Massachusetts · 2024-25 NCES data
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
14.1:1
vs 12.3:1 Massachusetts avg
+15% vs state
How Blackstone Millville Rhs compares with Massachusetts and U.S. medians
Slightly above state median
14.1:1 - 1.8 above the Massachusetts state median of 12.3:1, indicating larger average class loads than typical schools in the state.
Blackstone Millville Rhs is a mid-sized high school in Blackstone, Massachusetts, enrolling 534 students.
Class loads run somewhat heavier than typical: 14.1:1 puts it in the larger third of Massachusetts schools by student-teacher ratio.
Enrollment of 534 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,831 scored Massachusetts schools.
Its student body is led by White (78%) and Hispanic or Latino (15%) (diversity index 37/100).
On the academic-pipeline side it reports 7 Advanced Placement courses.
Counselor coverage runs a bit thin, about 267 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 22.3% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Blackstone-Millville spends $18,067 per pupil, 20% below the Massachusetts average, a leaner-resourced district than most.
Blackstone-Millville also operates Frederick W. Hartnett Middle School (487 students) and Millville Elementary (459 students) alongside Blackstone Millville Rhs.
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
Blackstone Millville Rhs on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.1:1 | ▲ 15% | 12.3:1 | 15.7:1 |
| Enrollment | 534 | top 32% | - | - |
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 77.6% of enrollment.
Simpson diversity index - at 37.4, Blackstone Millville Rhs is less mixed than the Massachusetts school average of 47.3.
District-wide per-pupil expenditure for Blackstone-Millville, which includes Blackstone Millville Rhs.
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 |
|---|---|---|---|
| Frederick W. Hartnett Middle School | Similar size | No free-lunch data | Higher S:T ratio |
| Millville Elementary | Similar size | No free-lunch data | Higher S:T ratio |
| A F Maloney | Smaller | No free-lunch data | Higher S:T ratio |
| John F Kennedy Elementary | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Blackstone Millville Rhs'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 Blackstone Millville Rhs'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.
Blackstone Millville Rhs has 534 students enrolled. It is a high school in Blackstone, MA.
The student-teacher ratio at Blackstone Millville Rhs is 14.1:1, which is 15% higher than the Massachusetts average of 12.3:1 and 10% lower than the national average of 15.7:1.
The largest demographic group at Blackstone Millville Rhs is White at 77.6% of enrollment, in Blackstone, MA.
Blackstone Millville Rhs has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Blackstone Millville Rhs ranks #3 of 4 public schools in Blackstone, 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 Blackstone on the city page.
Blackstone Millville Rhs earns 40/100 on the Resource Investment Index, with class sizes larger than 80% 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.
Besides Blackstone Millville Rhs, Blackstone-Millville also operates Frederick W. Hartnett Middle School (487 students), Millville Elementary (459 students), and A F Maloney (256 students). See the Blackstone-Millville 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, “Blackstone Millville Rhs, Blackstone 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/blackstone-millville-rhs-ma/
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