A Top 20%

Groton Dunstable Regional Middle School

Grades 05-08 GROTON, MA

Moved up 15 places from 2024 to 2025

#70 State Rank
A District Grade
344-346 Main Street, GROTON, MA 01450
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
724 Students
95.7% Attendance Rate
53.1 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.

CIV

48% Meeting or exceeding expectations

5% exceeding expectations

English Language Arts

59.8% Meeting or exceeding expectations

13% exceeding expectations

2023 59.5% 59.5%
2024 51% 51%
2025 59.8% 59.8%

Mathematics

54.8% Meeting or exceeding expectations

9.3% exceeding expectations

2023 57% 57%
2024 56.8% 56.8%
2025 54.8% 54.8%

Science

60% Meeting or exceeding expectations

12% exceeding expectations

2023 59.5% 59.5%
2024 60.5% 60.5%
2025 60% 60%
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
2025CIV08 48%5%
2025English Language Arts05 52%6%
2025English Language Arts06 61%14%
2025English Language Arts07 65%16%
2025English Language Arts08 61%16%
2025Mathematics05 43%8%
2025Mathematics06 55%4%
2025Mathematics07 60%15%
2025Mathematics08 61%10%
2025Science05 63%14%
2025Science08 57%10%
2024English Language Arts05 44%3%
2024English Language Arts06 40%10%
2024English Language Arts07 58%15%
2024English Language Arts08 62%12%
2024Mathematics05 47%3%
2024Mathematics06 55%5%
2024Mathematics07 61%16%
2024Mathematics08 64%11%
2024Science05 60%11%
2024Science08 61%13%
2023English Language Arts05 57%10%
2023English Language Arts06 51%8%
2023English Language Arts07 67%19%
2023English Language Arts08 63%20%
2023Mathematics05 47%3%
2023Mathematics06 57%12%
2023Mathematics07 62%16%
2023Mathematics08 62%11%
2023Science05 59%15%
2023Science08 60%13%

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

724 students enrolled

Race/Ethnicity

White 80%
Asian 8.1%
Hispanic 4.6%
Multiracial 4.4%
Black 2.3%

Gender

52.1% Male
47.9% Female

Student Programs

English Learners 0.8%
Special Education 17.5%
Free/Reduced Lunch 9%

School Performance

Key metrics and program information

Attendance

95.7% Attendance Rate
7.9% Chronic Absence

Staffing

Location

344-346 Main Street, GROTON, MA

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A-Rated School

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Other Schools in Groton-Dunstable School District

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Seven Hills School

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Groton School

Combined
→ A

Groton Dunstable Regional High School

High • #49 State
→ A+

Florence Roche School

Elementary • #69 State
→ A-

Swallow/Union School

Elementary • #199 State
→ N/A

Lawrence Academy

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Frequently Asked Questions

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

Groton Dunstable Regional Middle School has earned a grade of A, ranked #70 in Massachusetts, placing it in the top 20% of Massachusetts Combined 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 Middle School?

Approximately 724 students are enrolled at Groton Dunstable Regional Middle School.

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

Based on the most recent MCAS results, Groton Dunstable Regional Middle School's proficiency rates are: CIV (48% proficient), English Language Arts (60% proficient), Mathematics (55% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

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

Groton Dunstable Regional Middle School has an attendance rate of 95.7%. Strong attendance is correlated with better academic outcomes.

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

Groton Dunstable Regional Middle 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.