Enrollment
834
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Westborough, MA
Mill Pond School
Federal NCES profile for Mill Pond School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 251260001734
👥 S:T ratio 54
🌟 Gifted program 30
🎓 Counselors 44
📋 Attendance 56
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mill Pond School earns 46/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #1 of 3
- elementary schools in Westborough · Resource Index
- 46
- Resource Index · Typical
- 11.6:1
- students per teacher
- 834
- students enrolled
Mill Pond School has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Mill Pond School ranks #1 of 3 elementary schools in Westborough, MA.
School address
District: Westborough · Massachusetts
NCES ID 251260001734 Verify on NCES CCD record →
Teachers (FTE)
72.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 12.3:1 Massachusetts avg
-6% vs state
Student-teacher ratio in context
How Mill Pond School compares with Massachusetts and U.S. medians
What stands out at Mill Pond School
Mill Pond School is a large elementary school in Westborough, Massachusetts, enrolling 834 students.
At 11.6:1, 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.
Enrollment of 834 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 (45%) and Asian (36%) (diversity index 65/100).
Counselor coverage runs a bit thin, about 278 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
17.7% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Westborough's elementary schools, it stands alongside J Harding Armstrong (391 students): Mill Pond School is larger than that campus by headcount and runs leaner classes (11.6:1 vs 11.8:1).
Westborough also operates Westborough High (1,213 students) and Sarah W Gibbons Middle (610 students) alongside Mill Pond 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 Mill Pond School compares
Mill Pond 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 | 11.6:1 | ▼ 6% | 12.3:1 | 15.7:1 |
| Enrollment | 834 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
834
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
11.6:1
students per teacher
- 6% below state mean
Top 45% in Massachusetts - lower ratio than 55% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
17.7%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
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
Counselors3.0 FTE
Per 278 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 3 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 0.8 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 45.3%
Asian 36.3%
Hispanic or Latino 11.3%
African American 3.6%
Two or More 3.1%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 45.3% of enrollment.
Student-body diversity index 64.8/100
Simpson diversity index - at 64.8, Mill Pond School is more mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Westborough, which includes Mill Pond School.
$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 Mill Pond School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Westborough High | Larger | No free-lunch data | Higher S:T ratio |
| Sarah W Gibbons Middle | Smaller | No free-lunch data | Similar S:T ratio |
| Elsie a Hastings Elementary | Smaller | No free-lunch data | Lower S:T ratio |
| J Harding Armstrong | Smaller | No free-lunch data | Similar S:T ratio |
| Annie E Fales | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Mill Pond School'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
- 610
- Students per teacher
- 10.9:1
- Resource Index
- 59/100
- Enrollment
- 478
- Students per teacher
- 9.4:1
- Resource Index
- 38/100
- Enrollment
- 391
- Students per teacher
- 11.8:1
- 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 (~834 students)
Similar student-teacher ratio (~11.6:1)
Next steps
Verify locally before acting on Mill Pond School's federal record.
- Compare Mill Pond School 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 Mill Pond School
How many students attend Mill Pond School?
Mill Pond School has 834 students enrolled. It is an elementary school in Westborough, MA.
What is the student-teacher ratio at Mill Pond School?
The student-teacher ratio at Mill Pond School is 11.6:1, which is 6% lower than the Massachusetts average of 12.3:1 and 26% 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 Mill Pond School?
The largest demographic group at Mill Pond School is White at 45.3% of enrollment, in Westborough, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.8/100.
What is the Resource Investment Index for Mill Pond School?
Mill Pond School has a Resource Investment Index of 46/100 (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 Mill Pond School rank among elementary schools in Westborough?
By Resource Investment Index, Mill Pond School ranks #1 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 Mill Pond School a good school?
Mill Pond School earns 46/100 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 Westborough?
Besides Mill Pond School, Westborough also operates Westborough High (1,213 students), Sarah W Gibbons Middle (610 students), and Elsie a Hastings Elementary (478 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.