Groton-Dunstable Regional School District is a school district in the US state of Massachusetts which serves the towns of Groton and Dunstable.
Serving 689 students in grades 9-12, Groton Dunstable Regional ranks in the top 5% of all schools in Massachusetts for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).
The percentage of students achieving proficiency in math is 90-94% (which is higher than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 14:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 15% of the student body (majority Asian), which is lower than the Massachusetts state average of 47% (majority Hispanic).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 689 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 15%
- Graduation Rate: ≥95% (Top 20% in MA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 90-94% (Top 1%)
- Reading Proficiency: 75-79% (Top 5%)
- Science Proficiency: 70-74% (Top 10%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Groton Dunstable Regional ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Groton Dunstable Regional's student population of 689 students has declined by 9% over five school years.
The teacher population of 51 teachers has declined by 7% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
689 students
Gender %
Total Classroom Teachers
51 teachers
Year Founded
1967
Last Day of School
Mon. May 25, 2026
School Rankings
Groton Dunstable Regional ranks within the top 5% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Groton Dunstable Regional is 0.27, which is less than the diversity score at state average of 0.65. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#21 out of 1626 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
90-94%
42%
Reading/Language Arts Test Scores (% Proficient)
75-79%
44%
Science Test Scores (% Proficient)
70-74%
44%
Student-Teacher Ratio
14:1
12:1
American Indian
n/a
n/a
Asian
8%
7%
Hispanic
3%
25%
Black
2%
10%
White
85%
53%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
Graduation Rate
≥95%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
4%
35%
Eligible for Reduced Lunch
1%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Groton Dunstable Regional's ranking?
Groton Dunstable Regional is ranked #21 out of 1,626 schools, which ranks it among the top 5% of public schools in Massachusetts.
What schools are Groton Dunstable Regional often compared to?
Groton Dunstable Regionalis often viewed alongside schools like Westford Academy by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
90-94% of students have achieved math proficiency (compared to the 42% MA state average), while 75-79% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Groton Dunstable Regional?
The graduation rate of Groton Dunstable Regional is 95%, which is higher than the Massachusetts state average of 90%.
How many students attend Groton Dunstable Regional?
689 students attend Groton Dunstable Regional.
What is the racial composition of the student body?
85% of Groton Dunstable Regional students are White, 8% of students are Asian, 3% of students are Hispanic, 2% of students are Black, and 2% of students are Two or more races.
What is the student-teacher ratio of Groton Dunstable Regional?
Groton Dunstable Regional has a student ration of 14:1, which is higher than the Massachusetts state average of 12:1.
What grades does Groton Dunstable Regional offer ?
Groton Dunstable Regional offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Groton Dunstable Regional part of?
Groton Dunstable Regional is part of Groton-Dunstable School District.
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