Summary:
Dunstable, Massachusetts has just one listed public school: Swallow/Union School, an elementary school serving grades K–4 with 210 students in the Groton-Dunstable district. The area summary lists one elementary school, no middle schools, no high schools, and no alternative schools, so in-town families effectively have a single option, and the most useful comparisons come from how that school performs against its district and the state.
Swallow/Union is a standout. In 2025–2026 it ranked 9th of 899 schools — the 99th percentile, with 5 stars — after ranking 26th of 916 (97th percentile) in 2023–2024 and 109th of 906 (88th percentile) in 2024–2025. Its MCAS Next Generation proficiency topped both its district and the state in every reported 2025–2026 subject and grade: all-grade ELA was 73.4% versus 53.56% for the district and 40.03% statewide, and all-grade math was 82.8% versus 59.29% district and 41.11% state. Math is the strongest subject, and grade 4 showed it clearly, at 82.98% in math against 70.21% in ELA.
From 2024–2025 to 2025–2026, ELA rose 10.58 percentage points to 73.4% and math rose 7.16 points to 82.8%, even as district ELA fell 5.41 points and state ELA fell 1.50 points. Grade 3 ELA was 76.6% and grade 4 ELA was 70.21%, while math was nearly identical across both grades. Groton-Dunstable itself ranks 34th of 351 districts, at the 90th percentile with 5 stars. Some data is missing or dated: free/reduced lunch was not reported for 2024–2025, and per-student spending of $19,744 covers only 2020–2021.
Thank you for your feedback!