Summary:
Zip code 01450 is served by exactly one middle school: Groton Dunstable Regional Middle, a grades 5–8 school at 346 Main Street in Groton with 739 students. It belongs to the Groton-Dunstable district, which is ranked 34th of 351 districts in Massachusetts — the 90th percentile, with 5 stars.
This school performs above the state in every reported subject and grade, so there is no weak spot relative to Massachusetts averages. Science is the clearest strength: all-grades science is 62.14% proficient versus the state's 40.98%, 5th grade science is 64.97% versus 43.07%, and 8th grade science is 59.17% versus 38.93%. The single highest reported result is 7th grade mathematics at 66.67%, compared with 37.48% statewide — a gap of 29.19 percentage points. All-grades ELA is 51.13% against the state's 40.03%, all-grades math is 54.97% against 41.11%, and 8th grade civics is 46.82% against 39.77%. At grade level, the school tracks its district very closely, generally within about 0.8 points, so families can expect results similar to the district as a whole.
Year over year, ELA declined from 59.61% to 51.13% (down 8.48 points), while math rose slightly to 54.97%, science rose to 62.14%, and civics slipped to 46.82%. That ELA decline coincides with the school's rank moving from 79th of 484 in 2024–2025 to 98th of 478 in 2025–2026, or the 79th percentile, though it remains a 4-star school. Even the lowest results this year — 5th grade ELA at 44.89%, 6th grade math at 47.13%, and 8th grade civics at 46.82% — sit above their state figures. The student-teacher ratio is 12.8, and per-student spending is $18,468, though those figures come from earlier years than the test scores. Free or reduced lunch is not reported, so socioeconomic context is unknown.
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