Enrollment
210
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Dunstable, MA
Swallow/Union School
Federal NCES profile for Swallow/Union School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250550000806
👥 S:T ratio 66
🌟 Gifted program 30
🎓 Counselors 58
📋 Attendance 58
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Swallow/Union School earns 53/100 on the Resource Investment Index, with class sizes smaller than 93% of Massachusetts schools.
- 53
- Resource Index · Higher
- 8.4:1
- small classes for Massachusetts
- 210
- students enrolled
Swallow/Union School has class sizes smaller than 93% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
School address
District: Groton-Dunstable · Massachusetts
NCES ID 250550000806 Verify on NCES CCD record →
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
8.4:1
vs 12.3:1 Massachusetts avg
-32% vs state
Student-teacher ratio in context
How Swallow/Union School compares with Massachusetts and U.S. medians
What stands out at Swallow/Union School
Swallow/Union School is a small elementary school in Dunstable, Massachusetts, enrolling 210 students.
Classes run notably small here: at 8.4:1, Swallow/Union School is leaner than roughly 93% of Massachusetts schools and 32% under the state's 12.3:1 norm, more adult attention per pupil than most peers.
Enrollment of 210 puts it in the smaller third of Massachusetts schools by headcount.
Its Resource Investment Index lands in the upper third of 1,831 scored Massachusetts schools.
Its student body is predominantly White (81% of enrollment) (diversity index 33/100).
Counselor coverage is strong, about 210 students per counselor, inside the American School Counselor Association's recommended 250:1.
16.7% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Groton-Dunstable also operates Groton Dunstable Regional Middle (739 students) and Groton Dunstable Regional (659 students) alongside Swallow/Union 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 Swallow/Union School compares
Swallow/Union 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 | 8.4:1 | ▼ 32% | 12.3:1 | 15.7:1 |
| Enrollment | 210 | top 85% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.4:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
210
Bigger than 21% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
8.4:1
students per teacher
- 32% below state mean
Top 7% in Massachusetts - lower ratio than 93% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.7%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,913
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 210 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 1 out-of-school
Suspension rate: 0.5 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 81.4%
Asian 7.6%
Hispanic or Latino 5.7%
Two or More 3.8%
African American 1.4%
Largest group: White at 81.4% of enrollment.
Student-body diversity index 32.7/100
Simpson diversity index - at 32.7, Swallow/Union School is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Groton-Dunstable, which includes Swallow/Union School.
$20,913
Per student
-7%
vs Massachusetts
Avg $22,458
+26%
vs U.S.
Avg $16,593
Revenue mix
Local 60.0%
State 34.5%
Federal 5.5%
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 Swallow/Union School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Groton Dunstable Regional Middle | Larger | No free-lunch data | Higher S:T ratio |
| Groton Dunstable Regional | Larger | No free-lunch data | Higher S:T ratio |
| Florence Roche School | Larger | No free-lunch data | Higher S:T ratio |
| Boutwell School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Swallow/Union School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 739
- Students per teacher
- 12.3:1
- Resource Index
- 54/100
- Enrollment
- 659
- Students per teacher
- 12.4:1
- Resource Index
- 55/100
- Enrollment
- 615
- Students per teacher
- 15.4:1
- Resource Index
- 45/100
- Enrollment
- 77
- Students per teacher
- 15.4:1
- Resource Index
- 34/100
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 (~210 students)
Similar student-teacher ratio (~8.4:1)
Next steps
Verify locally before acting on Swallow/Union School's federal record.
- Compare Swallow/Union School against another school. Compare schools
- Groton-Dunstable'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 Swallow/Union School
How many students attend Swallow/Union School?
Swallow/Union School has 210 students enrolled. It is an elementary school in Dunstable, MA.
What is the student-teacher ratio at Swallow/Union School?
The student-teacher ratio at Swallow/Union School is 8.4:1, which is 32% lower than the Massachusetts average of 12.3:1 and 46% 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 Swallow/Union School?
The largest demographic group at Swallow/Union School is White at 81.4% of enrollment, in Dunstable, MA.
What is the Resource Investment Index for Swallow/Union School?
Swallow/Union School has a Resource Investment Index of 53/100 (higher 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).
Is Swallow/Union School a good school?
Swallow/Union School earns 53/100 on the Resource Investment Index, with class sizes smaller than 93% 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 Groton-Dunstable?
Besides Swallow/Union School, Groton-Dunstable also operates Groton Dunstable Regional Middle (739 students), Groton Dunstable Regional (659 students), and Florence Roche School (615 students). See the Groton-Dunstable 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.