Enrollment
487
Massachusetts · 2024-25 NCES data
Middle school (grades 6-8) · Blackstone, MA
Federal NCES profile for Frederick W. Hartnett Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Frederick W. Hartnett Middle School earns 44/100 on the Resource Investment Index, with class sizes larger than 94% of Massachusetts schools.
Frederick W. Hartnett Middle School has class sizes larger than 94% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Frederick W. Hartnett Middle School ranks #1 of 4 public schools in Blackstone, MA.
NCES ID 250271501082 Verify on NCES CCD record →
Enrollment
487
Massachusetts · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
16.8:1
vs 12.3:1 Massachusetts avg
+37% vs state
How Frederick W. Hartnett Middle School compares with Massachusetts and U.S. medians
Larger classes than state median
16.8:1 - 4.5 above the Massachusetts state median of 12.3:1, indicating larger average class loads than typical schools in the state.
Frederick W. Hartnett Middle School is a mid-sized middle school in Blackstone, Massachusetts, enrolling 487 students.
Class loads run heavy: 16.8:1 is larger than about 94% of Massachusetts schools and 37% above the 12.3:1 state mean, so each teacher carries more students than is typical.
With 487 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,831 scored Massachusetts schools.
Its student body is led by White (79%) and Hispanic or Latino (14%) (diversity index 36/100).
Counselor coverage is strong, about 162 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 21.8% 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 Blackstone Millville Rhs (534 students) and Millville Elementary (459 students) alongside Frederick W. Hartnett Middle 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
Frederick W. Hartnett Middle 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 | 16.8:1 | ▲ 37% | 12.3:1 | 15.7:1 |
| Enrollment | 487 | top 38% | - | - |
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 78.6% of enrollment.
Simpson diversity index - at 36.1, Frederick W. Hartnett Middle School is less mixed than the Massachusetts school average of 47.3.
District-wide per-pupil expenditure for Blackstone-Millville, which includes Frederick W. Hartnett Middle 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 |
|---|---|---|---|
| Blackstone Millville Rhs | Similar size | No free-lunch data | Lower S:T ratio |
| Millville Elementary | Similar size | No free-lunch data | Similar S:T ratio |
| A F Maloney | Smaller | No free-lunch data | Similar S:T ratio |
| John F Kennedy Elementary | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Frederick W. Hartnett Middle 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 Frederick W. Hartnett Middle 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.
Frederick W. Hartnett Middle School has 487 students enrolled. It is a middle school in Blackstone, MA.
The student-teacher ratio at Frederick W. Hartnett Middle School is 16.8:1, which is 37% higher than the Massachusetts average of 12.3:1 and 7% higher than the national average of 15.7:1.
The largest demographic group at Frederick W. Hartnett Middle School is White at 78.6% of enrollment, in Blackstone, MA.
Frederick W. Hartnett Middle School has a Resource Investment Index of 44/100 (typical 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, Frederick W. Hartnett Middle School ranks #1 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.
Frederick W. Hartnett Middle School earns 44/100 on the Resource Investment Index, with class sizes larger than 94% 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 Frederick W. Hartnett Middle School, Blackstone-Millville also operates Blackstone Millville Rhs (534 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, “Frederick W. Hartnett Middle School, 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/frederick-w-hartnett-middle-school-ma
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