Enrollment
407
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · Williamstown, MA
Williamstown Elementary
Federal NCES profile for Williamstown Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataOther / mixed grade configurationNCES 250816002899
👥 S:T ratio 62
🌟 Gifted program 30
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Williamstown Elementary earns 51/100 on the Resource Investment Index, with class sizes smaller than 85% of Massachusetts schools.
- 51
- Resource Index · Higher
- 9.5:1
- small classes for Massachusetts
- 407
- students enrolled
Williamstown Elementary has class sizes smaller than 85% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
School address
District: Mount Greylock · Massachusetts
NCES ID 250816002899 Verify on NCES CCD record →
Teachers (FTE)
43.0
Federal CCD staff survey
Students per teacher
9.5:1
vs 12.3:1 Massachusetts avg
-23% vs state
Student-teacher ratio in context
How Williamstown Elementary compares with Massachusetts and U.S. medians
What stands out at Williamstown Elementary
Williamstown Elementary is a mid-sized combined-grade school in Williamstown, Massachusetts, enrolling 407 students.
Classes run notably small here: at 9.5:1, Williamstown Elementary is leaner than roughly 85% of Massachusetts schools and 23% under the state's 12.3:1 norm, more adult attention per pupil than most peers.
With 407 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index lands in the upper third of 1,831 scored Massachusetts schools.
Its student body is led by White (76%) and Hispanic or Latino (9%) (diversity index 41/100).
15.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Williamstown's public schools, it stands alongside Mt Greylock Regional High (539 students): Williamstown Elementary is smaller than that campus by headcount and runs leaner classes (9.5:1 vs 12.3:1).
Mount Greylock also operates Mt Greylock Regional High (539 students) and Lanesborough Elementary (231 students) alongside Williamstown Elementary.
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 Williamstown Elementary compares
Williamstown Elementary on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.5:1 | ▼ 23% | 12.3:1 | 15.7:1 |
| Enrollment | 407 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.5:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
407
Bigger than 48% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
9.5:1
students per teacher
- 23% below state mean
Top 15% in Massachusetts - lower ratio than 85% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$21,743
per pupil, district-wide
- below 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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 3 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 1.0 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 76.0%
Hispanic or Latino 8.9%
Asian 5.4%
Two or More 5.4%
African American 4.2%
Largest group: White at 76.0% of enrollment.
Student-body diversity index 40.7/100
Simpson diversity index - at 40.7, Williamstown Elementary is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Mount Greylock, which includes Williamstown Elementary.
$21,743
Per student
-3%
vs Massachusetts
Avg $22,458
+31%
vs U.S.
Avg $16,593
Revenue mix
Local 70.5%
State 25.5%
Federal 4.0%
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 Williamstown Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mt Greylock Regional High | Larger | No free-lunch data | Higher S:T ratio |
| Lanesborough Elementary | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Williamstown Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 539
- Students per teacher
- 12.3:1
- Resource Index
- 50/100
- Enrollment
- 231
- Students per teacher
- 9.6:1
- Resource Index
- 37/100
Similar other schools in Williamstown
1 comparable other schools (grades Mixed) serving the same city.
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 (~407 students)
Next steps
Verify locally before acting on Williamstown Elementary's federal record.
- Compare Williamstown Elementary against another school. Compare schools
- Mount Greylock'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 Williamstown Elementary
How many students attend Williamstown Elementary?
Williamstown Elementary has 407 students enrolled. It is a public school in Williamstown, MA.
What is the student-teacher ratio at Williamstown Elementary?
The student-teacher ratio at Williamstown Elementary is 9.5:1, which is 23% lower than the Massachusetts average of 12.3:1 and 39% 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 Williamstown Elementary?
The largest demographic group at Williamstown Elementary is White at 76.0% of enrollment, in Williamstown, MA.
What is the Resource Investment Index for Williamstown Elementary?
Williamstown Elementary has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Williamstown Elementary a good school?
Williamstown Elementary earns 51/100 on the Resource Investment Index, with class sizes smaller than 85% 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.
What other schools are in Mount Greylock?
Besides Williamstown Elementary, Mount Greylock also operates Mt Greylock Regional High (539 students) and Lanesborough Elementary (231 students). See the Mount Greylock 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.