Groton Dunstable Regional

Groton Dunstable Regional, a low-enrollment four-year high school in Groton, Massachusetts, overseen by Groton-Dunstable, works with 659 students, covering grades 9 through 12.

Groton Dunstable Regional is one of 5 schools operated by Groton-Dunstable, a district that caters to 2,300 students overall.

Demographically, Groton Dunstable Regional shows that nearly all students (82%) are White. Beyond that, the school records 9% Asian, 4% Hispanic, 3% Black, 3% multiracial. By comparison, Middlesex County as a whole is about 67% White, so the school skews meaningfully more White than its surroundings.

On the income-and-resources front, The school currently runs with 48 full-time-equivalent teachers, for a student-teacher ratio near 13.7:1. Statewide, the average ratio sits near 23.4:1, putting Groton Dunstable Regional tighter than the state norm the norm.

Across the wider county, the surrounding county (Middlesex County) logs that the typical household earns roughly $130,847 per year, 60% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. Across Middlesex County's 386 public schools (combined enrollment of about 215,896 students), Groton Dunstable Regional is one campus in the mix.

Varnum Brook is the nearest neighboring public school, about 2.8 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius.

Geographically, the school is in a small-town area.

Five-year trend. Looking back 7 years, enrollment at Groton Dunstable Regional has decreased 16%, going from 786 students in 2018 to 659 in 2025. The White share of enrollment fell from 91% to 82% over that span.

On this page, members of the Groton Dunstable Regional community share and discuss science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.