A- Top 24%

Swallow/Union School

Grades K-04 DUNSTABLE, MA

Dropped 189 spots from last year

#200 State Rank
A District Grade
522 Main Street, DUNSTABLE, MA 01827
MCAS scores from 2025 Data updated December 2025
210 Students
95.3% Attendance Rate
55 Composite Score

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

English Language Arts

64.5% Proficient or Above
8% Advanced

Mathematics

77.5% Proficient or Above
23.5% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 English Language Arts 03 54% 13%
2025 English Language Arts 04 75% 3%
2025 Mathematics 03 67% 22%
2025 Mathematics 04 88% 25%
2024 English Language Arts 03 79% 21%
2024 English Language Arts 04 69% 11%
2024 Mathematics 03 93% 33%
2024 Mathematics 04 69% 17%
2023 English Language Arts 03 71% 18%
2023 English Language Arts 04 77% 6%
2023 Mathematics 03 75% 24%
2023 Mathematics 04 82% 12%
2022 English Language Arts 03 73% 17%
2022 English Language Arts 04 78% 10%
2022 Mathematics 03 88% 20%

MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.

Student Demographics

210 students enrolled

Race/Ethnicity

White 81.4%
Asian 7.6%
Hispanic 5.7%
Multiracial 3.8%
Black 1.4%

Gender

57.1% Male
42.9% Female

Student Programs

English Learners 2.9%
Special Education 16.2%
Free/Reduced Lunch 7.1%

School Performance

Key metrics and program information

Attendance

95.3% Attendance Rate
7.3% Chronic Absence

Staffing

Location

522 Main Street, DUNSTABLE, MA

A--Rated School

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Part of Groton-Dunstable School District

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Frequently Asked Questions

What is Swallow/Union School's grade rating?

Swallow/Union School has earned a grade of A-, ranked #200 in Massachusetts, placing it in the top 24% of Massachusetts Elementary schools. This rating is based on 2025 MCAS test scores, attendance rates, and other performance metrics from the Massachusetts Department of Elementary and Secondary Education.

How many students attend Swallow/Union School?

Approximately 210 students are enrolled at Swallow/Union School.

How does Swallow/Union School perform on MCAS tests?

Based on the most recent MCAS results, Swallow/Union School's proficiency rates are: English Language Arts (64% proficient), Mathematics (78% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Swallow/Union School?

Swallow/Union School has an attendance rate of 95.3%. Strong attendance is correlated with better academic outcomes.

What school district is Swallow/Union School part of?

Swallow/Union School is part of Groton-Dunstable School District. For enrollment information, contact the district office or visit the school's website. Enrollment typically requires proof of residency within the district boundaries.

How are Massachusetts school ratings calculated?

School ratings are calculated using multiple data points from the Massachusetts Department of Elementary and Secondary Education (DESE), including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. Schools are ranked by percentile against similar schools statewide.