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Excellent

#239 of 1,793 schools in MA

Top 13% in state

Swallow/union School

Elementary School · Groton-dunstable · Dunstable, MA

A Groton-dunstable elementary school where students score 17 points above what's typical for similar communities.

522 Main Street, Dunstable, MA 01827

  • Math 82% vs MA 43% (2025)
  • Reading 69% vs MA 42% (2025)
  • 13.3:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress7.8Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data17
Annual Change-0.92 pts/yr
Data Period2009–2025
TrendStable
Academics9.5Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency82% (2025 MCAS)
Reading/ELA Proficiency69% (2025 MCAS)
Math vs. State Avg+39.9 pts
Reading vs. State Avg+26.4 pts
Overall Proficiency76% (2025 MCAS, Math+ELA)
Expected (poverty-adj.)59% (model expectation from 2025 MCAS)
vs. Expected+16.8 pts
Adjusted Percentile92th
Resources & Environment7.7Very Good20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio13.3:1
District spending per student$21,709
Chronic Absenteeism8.1%

Students at Swallow/union School score 76% proficient, which is above what's typical for similar communities (expected: 59%).

How we calculate scores →

2025 MCAS proficiency

Most recent published year. School vs. MA average.

Math Proficiency82%(2025 MCAS)
School
State
43%(2025 MCAS)
ELA Proficiency69%(2025 MCAS)
School
State
42%(2025 MCAS)

Trend

↓ Declining

Proficiency has fallen 7 points since 2022, to 76% in 2025, across a 17-year record (2009–2025).

Show all 17 years
2009
Math
82%
ELA
77%
2010
Math
82%
ELA
77%
2011
Math
82%
ELA
82%
2012
Math
82%
ELA
77%
2013
Math
87%
ELA
77%
2014
Math
72%
ELA
67%
2015
Math
82%
ELA
82%
2016
Math
82%
ELA
67%
2017
Math
82%
ELA
77%
2018
Math
82%
ELA
77%
2019
Math
83%
ELA
84%
2020*
Math
77%
ELA
82%
2021*
Math
78%
ELA
81%
2022
Math
87%
ELA
77%
2023
Math
80%
ELA
76%
2024
Math
75%
ELA
72%
2025
Math
82%
ELA
69%

Multi-year averages used by the rating model: math 81% (multi-year average, 2009-2025) · reading/ELA 77% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 56 test records from MA state assessments and EdFacts (NCES).

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Swallow/union School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Boston map →

Getting around & local context

  • Walk 25Car-Dependent
  • Bike 28Somewhat Bikeable
  • City Safety: Average401/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Dunstable), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$202,379

Median home value

$624,300

Median rent

$1,500/mo

College educated

59.9%

Homeownership

95.9%

Poverty rate

1%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 01827; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Tyngsborough ElementaryEnrollment path unverified4.4PK–52.3 mi753Compare →
World AcademyPrivate · tuition6.4privatePK–82.7 mi301Compare →
2nd Nature AcademyPrivate · tuition7.5privatePK–122.8 mi92Compare →
Bicentennial Elementary SchoolEnrollment path unverified6.8PK–52.8 mi506Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Groton-dunstable

Schools in district
5
Rank in district
#1 of 5
District spending per student
$21,709NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
2.1%Census SAIPE · 2024

Swallow/union School is listed in Groton-Dunstable; a district label does not verify attendance for an address.

About Swallow/union School

Swallow/union School is a public elementary school in Dunstable, MA, part of Groton-dunstable, serving approximately 320 students in grades Kindergarten-4th with a 13.3:1 student-teacher ratio. It holds a MySchoolScout rating of 8.3 out of 10 and ranks #239 of 1,793 schools in MA. State assessment records show 81% math proficiency (multi-year average, 2009-2025) and 77% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Swallow/union School

What grades does Swallow/union School serve?

Swallow/union School serves students in grades Kindergarten through 4th.

How many students attend Swallow/union School?

Swallow/union School has an enrollment of approximately 320 students.

What is the student-teacher ratio at Swallow/union School?

The student-teacher ratio at Swallow/union School is 13.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Swallow/union School rank in MA?

Swallow/union School ranks #239 of 1,793 schools in MA.

What is Swallow/union School's MySchoolScout rating?

Swallow/union School has a current MySchoolScout rating of 8.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Swallow/union School?

Based on loaded state assessment records, Swallow/union School has 81% math proficiency (multi-year average, 2009-2025) and 77% reading/ELA proficiency (multi-year average, 2009-2025).

Is Swallow/union School a charter school?

No, Swallow/union School is not a charter school. It is a traditional public school operated by the local school district.

Is Swallow/union School a Title I school?

No, Swallow/union School is not currently a Title I school.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 4th
Enrollment
320
Student-Teacher Ratio
13.3:1
Teachers (FTE)
24
Type
regular
Setting
Fringe Rural
County
Middlesex County
Chronic Absenteeism (SY 2022-23)
8.1%
Area population (ZIP 01827)
3,375
Area average commute
29.8 min
Area median age
41.6
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 MCAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 MCAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 01827; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

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