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SCHOOL COMMUNITY·GROTON-DUNSTABLE·NCES 250550000806

Swallow/Union School

522 Main Street, Dunstable, MA 01827 · (978) 649-7281 · Middlesex County
GRADES KG–04ELEMENTARY41-RURALREGULAR SCHOOL210 STUDENTS
Enrollment
210
Elementary
DISTRICT 301 · STATE 381
Student : Teacher
13.0:1
16 FTE teachers
DISTRICT 14.1:1 · STATE 12.2:1
Free / Reduced Lunch
,
Title I proxy
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
48
Grade 1
37
Grade 2
45
Grade 3
46
Grade 4
34
Student demographics
White
17181%
DISTRICT 81% · STATE 51%
Hispanic
126%
DISTRICT 4% · STATE 26%
Black
31%
DISTRICT 2% · STATE 10%
Asian
168%
DISTRICT 9% · STATE 7%
Two+
84%
DISTRICT 3% · STATE 5%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
12057%
Female
9043%

School pathway

Students here typically continue to
Swallow/Union SchoolGroton Dunstable Regional MiddleGroton Dunstable Regional
Based on grade levels within Groton-Dunstable. Attendance zones can vary; confirm enrollment with the district.

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Test scores

MCAS 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
63.0%
MA avg 43.8% . -3.0pp since 2016
Math
76.0%
MA avg 42.2% . -5.0pp since 2016

What this means: On the MCAS, Massachusetts's statewide test, about 63 of every 100 students at this school read and write at grade level and about 76 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores are down about 3 points since 2016, while math scores are down about 5 points.

Source: MCAS. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
210
-80 (-28%) vs 2017
Student : Teacher
13.0:1
was 12.2:1
% White
81%
was 89%
% Hispanic
6%
was 3%
% Black
1%
was 0%
% Asian
8%
was 7%
Source: NCES Common Core of Data

About Swallow/Union School

Swallow/Union School is a cozy elementary campus in Dunstable, Massachusetts, run under Groton-Dunstable. The school hosts 210 students in grades K through 4. Compared to the state average of about 381 students per school, that is 45% leaner than typical.

Groton-Dunstable runs 5 schools in total, collectively educating 2,300 students. Swallow/Union School is one of those campuses.

On the student-mix side, Swallow/Union School shows that nearly all students (81%) are White. Other groups include 8% Asian, 6% Hispanic, 4% multiracial. That is meaningfully more White than the county at large, where the share is closer to 67%.

Looking at the economic backdrop, The school reports having 16 full-time-equivalent teachers, for a student-teacher ratio near 13.0:1. Statewide, the average ratio sits near 12.2:1, putting Swallow/Union School higher than the state norm the norm.

In the area at large, the surrounding county (Middlesex County) shows that median household earnings sit near $130,847, 60% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. Across Middlesex County's 386 public schools (combined enrollment of about 215,896 students), Swallow/Union School is one campus in the mix.

Tyngsborough Elementary is the nearest neighboring public school, about 2.3 miles from this campus. Within five miles, there are 8 other public schools.

Swallow/Union School operates from an outlying location.

Looking at the recent track record. Looking back 7 years, enrollment at Swallow/Union School has fell 28%, going from 290 students in 2018 to 210 in 2025. The White share of enrollment fell from 89% to 81% over that span.

In the discussion threads here, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Middlesex County at a glance

View full county profile
Population
1,638,365
Census ACS
Median income
$130,847
Household, ACS
Bachelor's+
60%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
386
215,896 students

Quick facts

School name
Swallow/Union School
District
Groton-Dunstable
Address
522 Main Street, Dunstable, MA 01827
Phone
(978) 649-7281
County
Middlesex County
Level
Elementary
Grade range
KG–04
Total enrollment
210
Teachers (FTE)
16
Student–teacher ratio
13.0:1
Locale
41-Rural: Fringe
NCES ID
250550000806
Charter school
No
Virtual school
No

Related schools

Other schools in Groton-Dunstable
Nearby schools

Frequently asked questions

About Swallow/Union School
What is the total enrollment at Swallow/Union School?
Swallow/Union School enrolls approximately 210 students in grades KG-04.
Is Swallow/Union School an elementary, middle, or high school?
Swallow/Union School is an elementary school covering grades KG-04.
How many students per teacher at Swallow/Union School?
Approximately 13.0:1 students per teacher at Swallow/Union School.
How diverse is Swallow/Union School?
Swallow/Union School reports a student body of 81% White, 6% Hispanic, 1% Black, 8% Asian, 4% Two or more.
Is Swallow/Union School public or private?
Swallow/Union School is a public K-12 school, overseen by Groton-Dunstable.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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