A Top 14%

Groton Dunstable Regional High School

Grades 09-12 GROTON, MA

Moved up 10 places from 2024 to 2025

#49 State Rank
A District Grade
703 Chicopee Row, GROTON, MA 01450
High Grad Rate 98.7% Active Athletics 32 sports
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
650 Students
95% Attendance Rate
67.4 Composite Score
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MCAS score comparisons

Students meeting or exceeding expectations · 2025 results

Each subject shows the average of published grade percentages, without weighting by enrollment. The bars compare available years on a 0–100% scale. Grade coverage and student groups can change between years.

English Language Arts

76% Meeting or exceeding expectations

16% exceeding expectations

2023 89% 89%
2024 81% 81%
2025 76% 76%

Mathematics

75% Meeting or exceeding expectations

27% exceeding expectations

2023 90% 90%
2024 84% 84%
2025 75% 75%

Science

64% Meeting or exceeding expectations

18% exceeding expectations

2023 81% 81%
2024 70% 70%
2025 64% 64%
View published results by year and grade
Available grade results for the latest 3 published years. An em dash means the value was not published.
YearSubjectGradeMeeting+Exceeding
2025English Language Arts10 76%16%
2025Mathematics10 75%27%
2025Science10 64%18%
2024English Language Arts10 81%26%
2024Mathematics10 84%25%
2024Science10 70%19%
2023English Language Arts10 89%36%
2023Mathematics10 90%30%
2023Science10 81%26%

MCAS subject percentages differ from the composite school rating, which combines available academic and school indicators. Letter grades and state ranks compare schools at the same level. A rank change describes relative position, not a percentage-point change in test scores. Read the rating methodology.

Student Demographics

650 students enrolled

Race/Ethnicity

White 81.8%
Asian 9.2%
Hispanic 3.4%
Multiracial 2.9%
Black 2.2%

Gender

51.2% Male
48.6% Female

Student Programs

English Learners 1.2%
Special Education 16.8%
Free/Reduced Lunch 10.9%

Athletics Programs

32 sports programs with 1,312 student athletes

Boys Sports

  • Track-Outdoor 42 athletes
  • Softball 42 athletes
  • Volleyball 40 athletes
  • Cross Country 37 athletes
  • Basketball 35 athletes
  • Lacrosse 35 athletes
  • Ice Hockey 34 athletes
  • Baseball 28 athletes
  • Football 28 athletes
  • Golf 12 athletes
  • Ski-Nordic 12 athletes
  • Track-Indoor 12 athletes
  • Wrestling 6 athletes
  • Rugby 5 athletes
  • Tennis 2 athletes

Girls Sports

  • Wrestling 370 athletes
  • Unified Basketball 286 athletes
  • Track-Indoor 34 athletes
  • Track-Outdoor 34 athletes
  • Volleyball 34 athletes
  • Soccer 33 athletes
  • Basketball 30 athletes
  • Baseball 24 athletes
  • Ice Hockey 24 athletes
  • Cross Country 21 athletes
  • Softball 21 athletes
  • Tennis 14 athletes
  • Gymnastics 5 athletes
  • Golf 5 athletes
  • Winter Swim/Dive 3 athletes
  • Ski-Alpine 2 athletes
  • Football 2 athletes

Sports data from the Massachusetts Interscholastic Athletic Association (MIAA).

School Performance

Key metrics and program information

Graduation

Attendance

95% Attendance Rate
10.6% Chronic Absence

Advanced Placement

College Readiness

MassCore is Massachusetts' recommended college-ready curriculum.

Staffing

Location

703 Chicopee Row, GROTON, MA

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A-Rated School

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Part of Groton-Dunstable School District

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Frequently Asked Questions

What is Groton Dunstable Regional High School's grade rating?

Groton Dunstable Regional High School has earned a grade of A, ranked #49 in Massachusetts, placing it in the top 14% of Massachusetts High 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 Groton Dunstable Regional High School?

Approximately 650 students are enrolled at Groton Dunstable Regional High School.

How does Groton Dunstable Regional High School perform on MCAS tests?

Based on the most recent MCAS results, Groton Dunstable Regional High School's proficiency rates are: English Language Arts (76% proficient), Mathematics (75% proficient), Science (64% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What sports does Groton Dunstable Regional High School offer?

Groton Dunstable Regional High School offers 32 athletic programs (15 boys' sports, 17 girls' sports) with approximately 1,312 student athletes participating. Sports programs are sanctioned by the MIAA (Massachusetts Interscholastic Athletic Association).

What is the graduation rate at Groton Dunstable Regional High School?

Groton Dunstable Regional High School has a excellent 98.7% graduation rate. The state average graduation rate in Massachusetts is approximately 89%.

What is the attendance rate at Groton Dunstable Regional High School?

Groton Dunstable Regional High School has an attendance rate of 95%. Strong attendance is correlated with better academic outcomes.

What school district is Groton Dunstable Regional High School part of?

Groton Dunstable Regional High 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.