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Very Good

#378 of 1,793 schools in MA

Top 21% in state

Stony Brook School

Middle School · Westford

9 Farmer Way, Westford, MA 01886

Enrollment

586

Student-Teacher

12.7:1

Score

7.9

Grades

6th – 8th

Data vintage2022-23

How this school compares

Massachusetts schools

#378 of 1,793

In Westford

#3 of 10

public schools

In district

#3 of 9

Westford

Equity

9.5 / 10

Excellent

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Stony Brook School

7.9/10

Middle School in Westford · grades 6th – 8th. Start here, then compare fit against nearby and district options.

Blanchard Middle

8.2/10

1.5 mi away. Use as a geographic alternative in the same move search.

Day Elementary

5.4/10

1.6 mi away. Use as a geographic alternative in the same move search.

About Stony Brook School

Stony Brook School is a public middle school in Westford, MA, part of Westford. Stony Brook School serves approximately 586 students, and covers grades 6th-8th, and has a 12.7:1 student-teacher ratio. Stony Brook School has a current MySchoolScout rating of 7.9 out of 10 and ranks #378 of 1,793 schools in MA.

Structured state assessment records for Stony Brook School show 77% math proficiency (multi-year average, 2009-2025) and 73% reading/ELA proficiency (multi-year average, 2009-2025).

How it comparesOn par with district
  • This school 7.9 · Very Good
  • District avg 8.1
  • MA avg 6.4

Score Breakdown

Full Profile · 3/3 metrics
Student Progress7.8Very Good40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data17
Annual Change-0.91 pts/yr
Data Period2009–2025
TrendStable
Academics9.2Excellent35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency76.8% (2025 MCAS)
Reading/ELA Proficiency66.8% (2025 MCAS)
Math vs. State Avg+34.5 pts
Reading vs. State Avg+23.9 pts
Overall Proficiency72% (2025 MCAS, Math+ELA)
Expected (poverty-adj.)59% (model expectation from 2025 MCAS)
vs. Expected+13.0 pts
Adjusted Percentile88th
Resources & Environment6.4Average25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio12.7:1
Per-Pupil Spending$18,617
Chronic Absenteeism10.2%

Stony Brook School — Students at Stony Brook School score 72% proficient, which is above what's typical for similar communities (expected: 59%).

How we calculate scores →

Test Scores MA MCAS (2024-25)

Math Proficiency 76.9% (multi-year average, 2009-2025)
School
State
41.0% (multi-year state average, 2019-2025)
ELA Proficiency 73.2% (multi-year average, 2009-2025)
School
State
44.7% (multi-year state average, 2019-2025)

Based on 88 test records from MA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
86%
ELA
94%
2010
Math
89%
ELA
93%
2011
Math
90%
ELA
93%
2012
Math
89%
ELA
93%
2013
Math
87%
ELA
94%
2014
Math
87%
ELA
93%
2015
Math
85%
ELA
92%
2016
Math
78%
ELA
71%
2017
Math
82%
ELA
75%
2018
Math
81%
ELA
74%
2019
Math
81.2%
ELA
73.8%
2020*
Math
65%
ELA
72%
2021*
Math
65%
ELA
71.6%
2022
Math
74.8%
ELA
64.2%
2023
Math
73.8%
ELA
65%
2024
Math
74%
ELA
66%
2025
Math
76.8%
ELA
66.8%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.8/10.

How Stony Brook School Compares

See how Stony Brook School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.9/10
79th percentile in MA
Academic
9.2/10
Excellent
Growth
7.8/10
Very Good
Environment
6.4/10
Average

Funding & Resources

Teaching Staff
13:1 student-teacher ratio
46 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
10.2%

Location

9 Farmer Way, Westford, MA 01886

Nearby Alternatives

Families considering Stony Brook School may also want to explore other middle schools in the area. Blanchard Middle (rated 8.2/10, 1.5 miles away), with a very similar rating. Another option is Littleton Middle School (rated 7.1/10, 4.7 miles away, in nearby Littleton), with a comparable rating. Additionally, Col Moses Parker School (rated 6.4/10, 3.9 miles away, in nearby Chelmsford), a more accessible option. For more schools in Westford, see our Westford schools guide .

Nearby Schools

20 within 5.4 mi
School Distance Rating
Blanchard Middle Westford 1.5 mi 8.2
Day Elementary Westford 1.6 mi 5.4
Westford Academy Westford 2.1 mi 8.0
Abbot Elementary Westford 1.9 mi 6.2
John A. Crisafulli Elementary School Westford 2.3 mi 5.4
Nabnasset Westford 1.8 mi 6.9
Col John Robinson Westford 2.6 mi 6.7
Rita E. Miller Elementary School Westford 2.7 mi 5.9
Tyngsborough Elementary Tyngsborough 3.3 mi 4.4
KINDERCARE LEARNING CENTER - WESTFORD Westford 3.7 mi
Nashoba Valley Technical High School Westford 3.6 mi 6.9
Russell St Elementary Littleton 4.5 mi 7.5
Littleton Middle School Littleton 4.7 mi 7.1
Swallow/Union School Dunstable 4.7 mi 8.3
ACADEMY OF NOTRE DAME Tyngsboro 4.7 mi 7.3
Innovation Academy Charter School Tyngsboro 4.4 mi 6.3
Col Moses Parker School Chelmsford 3.9 mi 6.4
Shaker Lane Elementary Littleton 5.3 mi 5.7
LITTLE ANGELS ACADEMY Tyngsboro 5.2 mi
OAK MEADOW SCHOOL Littleton 5.4 mi 7.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 01886 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$181,523

Median Home Value

$689,400

Median Rent

$2,068/mo

Population

24,584

College Educated

73%

Homeownership

88.5%

Avg Commute

32 min

Poverty Rate

2.4%

Median Age

43.3

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Robert H. Adams Middle School Holliston, MA 7.9
Sarah W Gibbons Middle Westborough, MA 7.9
Dartmouth Middle North Dartmouth, MA 8.0
James S Daley Middle School Lowell, MA 8.0
Horace Mann Franklin, MA 7.8
Locke Middle Billerica, MA 7.8

Frequently Asked Questions

Common questions about Stony Brook School

What grades does Stony Brook School serve?

Stony Brook School serves students in grades 6th through 8th.

How many students attend Stony Brook School?

Stony Brook School has an enrollment of approximately 586 students.

What is the student-teacher ratio at Stony Brook School?

The student-teacher ratio at Stony Brook School is 12.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Stony Brook School rank in MA?

Stony Brook School ranks #378 of 1,793 schools in MA.

What is Stony Brook School's MySchoolScout rating?

Stony Brook School has a current MySchoolScout rating of 7.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Stony Brook School?

Based on loaded state assessment records, Stony Brook School has 77% math proficiency (multi-year average, 2009-2025) and 73% reading/ELA proficiency (multi-year average, 2009-2025).

Is Stony Brook School a charter school?

No, Stony Brook School is not a charter school. It is a traditional public school operated by the local school district.

Is Stony Brook School a Title I school?

No, Stony Brook School is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

Walk Score
9 Car-Dependent
Bike Score
18 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 8th
Enrollment
586
Student-Teacher Ratio
12.7:1
Teachers (FTE)
46
Type
regular
Setting
Large Suburb
County
Middlesex County
Chronic Absenteeism (SY 2022-23)
10.2%

District

Westford
District Enrollment
4,451
Schools in District
9
Per-Pupil Spending
$18,617
District Rank
#3 of 9

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

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