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School district comparison · MCAS 2026 · other data 2024-25

Groton-Dunstable vs Westford Schools

How the two districts, about 6 miles apart, compare on test scores, high school results, classrooms, spending and housing.

The short answer

  • Overall: Groton-Dunstable ranks higher, #27 to Westford's #38 of 328 Massachusetts districts.
  • MCAS 2026: Westford students score higher: ELA 60% vs 55%, Math 69% vs 61% met expectations. Statewide: 40% and 41%.
  • SAT: Westford averages 59 points higher (1271 vs 1212).
  • Spending: Groton-Dunstable spends $2,769 more per student ($22,031 vs $19,263).
  • Homes: Homes cost more in Westford: single-family homes average $852K vs $753K. The average tax bill is $10,618 in Groton-Dunstable and $11,171 in Westford.

MCAS results, 2026

Share of students meeting or exceeding expectations, all tested grades combined. Both districts test grades 3–10; "State" is the statewide figure for the same grades.

English Language ArtsWestford ahead
Groton-Dunstable
55%
Westford
60%
State
40%
MathWestford ahead
Groton-Dunstable
61%
Westford
69%
State
41%
ELA by year
YearGroton-DunstableWestfordState
202655%60%40%
202561%64%43%
202456%65%42%
202365%68%44%
202263%68%44%
202168%75%49%
Math by year
YearGroton-DunstableWestfordState
202661%69%41%
202560%71%41%
202461%72%42%
202363%73%42%
202263%73%40%
202161%68%36%

No test in 2020. Statewide 10th-grade results dropped after 2024, when passing the MCAS stopped being a graduation requirement.

High school results

Average SATWestford ahead
Groton-Dunstable
1212
Westford
1271
MA avg
1113
AP exams scored 3+Westford ahead
Groton-Dunstable
84.8%
Westford
92.9%
MA avg
69.1%
Four-year graduation rateGroton-Dunstable ahead
Groton-Dunstable
97.2%
Westford
96.1%
MA avg
92.4%

Averages of each district's ranked high schools. "MA avg" is the average of all districts with high school data.

Classrooms, teachers & spending

Average class sizeAbout the same
Groton-Dunstable
18.6
Westford
18.7
MA avg
17.3
Attendance rateAbout the same
Groton-Dunstable
95%
Westford
95.2%
MA avg
93.7%
Chronically absentmissed 10%+ of daysLower in Groton-Dunstable
Groton-Dunstable
8.9%
Westford
9.9%
MA avg
16.9%
Teachers who stayedfrom last yearWestford ahead
Groton-Dunstable
87.4%
Westford
89.7%
MA avg
84.7%
Spending per studentHigher in Groton-Dunstable
Groton-Dunstable
$22,031
Westford
$19,263
MA median
$21,765
Average teacher salaryHigher in Groton-Dunstable
Groton-Dunstable
$91,218
Westford
$90,677
MA median
$91,393

Spending is total per-pupil expenditure from all sources in FY2024. Class size is the average across all classes in the district.

Students

Groton-DunstableWestford
Students in classes2,3244,643
English learners2.1%3.8%
Students with disabilities18.8%18.3%
White80.6%56.5%
Asian8.4%33.4%
Hispanic/Latino4.6%5.1%
Black/African American2.1%2.6%
Multi-race3.9%2.1%

Homes & taxes

Average single-family home valueHigher in Westford
Groton-Dunstable
$753K
Westford
$852K
MA median
$588K
Average property tax billHigher in Westford
Groton-Dunstable
$10,618
Westford
$11,171
MA median
$6,814
Dunstable
Middlesex County · North Shore & Merrimack Valley
Avg single-family home value$745KMA median $588K
Avg property tax bill$9,982MA median $6,814
Tax rate$13.40 per $1,000MA median $12.40
Income per person$70,544MA median $47,872
Free cash reserves7.2% of budget
Groton
Middlesex County · North Shore & Merrimack Valley
Avg single-family home value$761KMA median $588K
Avg property tax bill$11,253MA median $6,814
Tax rate$14.80 per $1,000MA median $12.40
Income per person$93,044MA median $47,872
Town bond ratingAAA
Free cash reserves4.9% of budget
Westford
Middlesex County · North Shore & Merrimack Valley
Avg single-family home value$852KMA median $588K
Avg property tax bill$11,171MA median $6,814
Tax rate$13.10 per $1,000MA median $12.40
Income per person$81,289MA median $47,872
Local kids in public school96.4%
Town bond ratingAAA
Free cash reserves4.9% of budget

What could you afford in either town?

FY2026 averages for single-family homes from the Massachusetts Department of Revenue; for a district with several towns, the comparison uses the average of its towns. Assessed values usually run below recent sale prices.

The schools

Groton-Dunstable
High schools · rank of 335
Groton Dunstable RegionalSAT 1212#37 A-
Elementary schools · rank of 895
Swallow/Union School#28 AFlorence Roche School#242 B