Enrollment
391
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Westborough, MA
J Harding Armstrong
Federal NCES profile for J Harding Armstrong, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataElementary school (grades K-5)NCES 251260002056
👥 S:T ratio 53
🌟 Gifted program 30
🎓 Counselors 22
📋 Attendance 46
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
J Harding Armstrong earns 38/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also more racially and ethnically mixed than most Massachusetts schools.
- #3 of 3
- elementary schools in Westborough · Resource Index
- 38
- Resource Index · Typical
- 11.8:1
- students per teacher
- 391
- students enrolled
J Harding Armstrong has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, J Harding Armstrong ranks #3 of 3 elementary schools in Westborough, MA.
School address
District: Westborough · Massachusetts
NCES ID 251260002056 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 12.3:1 Massachusetts avg
-4% vs state
Student-teacher ratio in context
How J Harding Armstrong compares with Massachusetts and U.S. medians
What stands out at J Harding Armstrong
J Harding Armstrong is a mid-sized elementary school in Westborough, Massachusetts, enrolling 391 students.
At 11.8:1, its student-teacher ratio sits close to the Massachusetts median, within a few percentage points of the 12.3:1 state norm, neither notably crowded nor notably small.
With 391 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index lands in the lower third of 1,831 scored Massachusetts schools.
Its student body is led by White (47%) and Asian (30%), more mixed than most schools in the state (diversity index 67/100).
Counselor availability sits well past the ASCA benchmark, roughly 391 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.7% of students chronically absent per the 2021-22 civil-rights collection.
Among Westborough's elementary schools, it stands alongside Mill Pond School (834 students): J Harding Armstrong is smaller than that campus by headcount and runs heavier classes (11.8:1 vs 11.6:1).
Westborough also operates Westborough High (1,213 students) and Mill Pond School (834 students) alongside J Harding Armstrong.
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 J Harding Armstrong compares
J Harding Armstrong on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.8:1 | ▼ 4% | 12.3:1 | 15.7:1 |
| Enrollment | 391 | top 54% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
391
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.8:1
students per teacher
- 4% below state mean
Top 48% in Massachusetts - lower ratio than 52% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
21.7%
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
$21,175
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
Counselors1.0 FTE
Per 391 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 46.8%
Asian 29.7%
Hispanic or Latino 11.5%
Two or More 6.1%
African American 4.3%
American Indian / Alaska Native 1.5%
Largest group: White at 46.8% of enrollment.
Student-body diversity index 67.4/100
Simpson diversity index - at 67.4, J Harding Armstrong is more mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Westborough, which includes J Harding Armstrong.
$21,175
Per student
-6%
vs Massachusetts
Avg $22,458
+28%
vs U.S.
Avg $16,593
Revenue mix
Local 64.5%
State 28.0%
Federal 7.5%
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 J Harding Armstrong Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Westborough High | Larger | No free-lunch data | Higher S:T ratio |
| Mill Pond School | Larger | No free-lunch data | Similar S:T ratio |
| Sarah W Gibbons Middle | Larger | No free-lunch data | Similar S:T ratio |
| Elsie a Hastings Elementary | Similar size | No free-lunch data | Lower S:T ratio |
| Annie E Fales | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to J Harding Armstrong's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,213
- Students per teacher
- 13.5:1
- Resource Index
- 41/100
- Enrollment
- 834
- Students per teacher
- 11.6:1
- Resource Index
- 46/100
- Enrollment
- 610
- Students per teacher
- 10.9:1
- Resource Index
- 59/100
- Enrollment
- 478
- Students per teacher
- 9.4:1
- Resource Index
- 38/100
- Enrollment
- 305
- Students per teacher
- 10.2:1
- Resource Index
- 43/100
Similar elementary schools in Westborough
2 comparable elementary schools (grades K-5) serving the same city.
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 (~391 students)
Similar student-teacher ratio (~11.8:1)
Next steps
Verify locally before acting on J Harding Armstrong's federal record.
- Compare J Harding Armstrong against another school. Compare schools
- Westborough'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 J Harding Armstrong
How many students attend J Harding Armstrong?
J Harding Armstrong has 391 students enrolled. It is an elementary school in Westborough, MA.
What is the student-teacher ratio at J Harding Armstrong?
The student-teacher ratio at J Harding Armstrong is 11.8:1, which is 4% lower than the Massachusetts average of 12.3:1 and 25% 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 J Harding Armstrong?
The largest demographic group at J Harding Armstrong is White at 46.8% of enrollment, in Westborough, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.4/100.
What is the Resource Investment Index for J Harding Armstrong?
J Harding Armstrong has a Resource Investment Index of 38/100 (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 J Harding Armstrong rank among elementary schools in Westborough?
By Resource Investment Index, J Harding Armstrong ranks #3 of 3 elementary schools in Westborough, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Westborough on the city page.
Is J Harding Armstrong a good school?
J Harding Armstrong earns 38/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also more racially and ethnically mixed than most 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 Westborough?
Besides J Harding Armstrong, Westborough also operates Westborough High (1,213 students), Mill Pond School (834 students), and Sarah W Gibbons Middle (610 students). See the Westborough 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.