Enrollment
383
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Southwick, MA
Powder Mill School
Federal NCES profile for Powder Mill School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250001302845
👥 S:T ratio 55
🌟 Gifted program 30
🎓 Counselors 62
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Powder Mill School earns 47/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #3 of 3
- public schools in Southwick · Resource Index
- 47
- Resource Index · Typical
- 11.3:1
- students per teacher
- 383
- students enrolled
Powder Mill School has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Powder Mill School ranks #3 of 3 public schools in Southwick, MA.
School address
NCES ID 250001302845 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 12.3:1 Massachusetts avg
-8% vs state
Student-teacher ratio in context
How Powder Mill School compares with Massachusetts and U.S. medians
What stands out at Powder Mill School
Powder Mill School is a mid-sized elementary school in Southwick, Massachusetts, enrolling 383 students.
Class sizes run a bit leaner than typical: 11.3:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
With 383 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 predominantly White (86% of enrollment) (diversity index 26/100).
Counselor coverage is strong, about 192 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.8% of students chronically absent per the 2021-22 civil-rights collection.
Southwick-Tolland-Granville Regional School District also operates Southwick Regional School (588 students) and Woodland School (324 students) alongside Powder Mill 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
How Powder Mill School compares
Powder Mill 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 | 11.3:1 | ▼ 8% | 12.3:1 | 15.7:1 |
| Enrollment | 383 | top 55% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
383
Bigger than 45% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.3:1
students per teacher
- 8% below state mean
Top 40% in Massachusetts - lower ratio than 60% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
23.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$19,133
per pupil, district-wide
- below Massachusetts avg of $22,458
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 192 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 5 out-of-school
Suspension rate: 2.9 per 100 students. Combined in-school and out-of-school rate: 4.2 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 85.9%
Hispanic or Latino 7.8%
Two or More 3.1%
Asian 2.1%
African American 1.0%
Largest group: White at 85.9% of enrollment.
Student-body diversity index 25.5/100
Simpson diversity index - at 25.5, Powder Mill School is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Southwick-Tolland-Granville Regional School District, which includes Powder Mill School.
$19,133
Per student
-15%
vs Massachusetts
Avg $22,458
+15%
vs U.S.
Avg $16,593
Revenue mix
Local 48.7%
State 43.3%
Federal 7.9%
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 Powder Mill School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Southwick Regional School | Larger | No free-lunch data | Similar S:T ratio |
| Woodland School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Powder Mill School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 588
- Students per teacher
- 10.7:1
- Resource Index
- 53/100
- Enrollment
- 324
- Students per teacher
- 10.5:1
- Resource Index
- 52/100
Similar elementary 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 (~383 students)
Similar student-teacher ratio (~11.3:1)
Next steps
Verify locally before acting on Powder Mill School's federal record.
- Compare Powder Mill School against another school. Compare schools
- Southwick-Tolland-Granville Regional School District'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 Powder Mill School
How many students attend Powder Mill School?
Powder Mill School has 383 students enrolled. It is an elementary school in Southwick, MA.
What is the student-teacher ratio at Powder Mill School?
The student-teacher ratio at Powder Mill School is 11.3:1, which is 8% lower than the Massachusetts average of 12.3:1 and 28% 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 Powder Mill School?
The largest demographic group at Powder Mill School is White at 85.9% of enrollment, in Southwick, MA.
What is the Resource Investment Index for Powder Mill School?
Powder Mill School has a Resource Investment Index of 47/100 (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).
How does Powder Mill School rank among public schools in Southwick?
By Resource Investment Index, Powder Mill School ranks #3 of 3 public schools in Southwick, 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 Southwick on the city page.
Is Powder Mill School a good school?
Powder Mill School earns 47/100 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 Southwick-Tolland-Granville Regional School District?
Besides Powder Mill School, Southwick-Tolland-Granville Regional School District also operates Southwick Regional School (588 students) and Woodland School (324 students). See the Southwick-Tolland-Granville Regional School District district page for the complete list.
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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.