A Top 12%

Stony Brook School

Grades 06-08 WESTFORD, MA

Dropped 19 spots from last year

#42 State Rank
A- District Grade
9 Farmer Way, WESTFORD, MA 01886
MCAS scores from 2025 Data updated December 2025
546 Students
94.8% Attendance Rate
58.4 Composite Score

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

CIV

61% Proficient or Above
16% Advanced

English Language Arts

66.7% Proficient or Above
17.3% Advanced

Mathematics

76.7% Proficient or Above
20.3% Advanced

Science

65% Proficient or Above
14% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 CIV 08 61% 16%
2025 English Language Arts 06 63% 15%
2025 English Language Arts 07 67% 16%
2025 English Language Arts 08 70% 21%
2025 Mathematics 06 71% 11%
2025 Mathematics 07 78% 27%
2025 Mathematics 08 81% 23%
2025 Science 08 65% 14%
2024 English Language Arts 06 63% 15%
2024 English Language Arts 07 65% 25%
2024 English Language Arts 08 70% 23%
2024 Mathematics 06 72% 19%
2024 Mathematics 07 75% 26%
2024 Mathematics 08 75% 19%
2024 Science 08 64% 8%

MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.

Student Demographics

546 students enrolled

Race/Ethnicity

White 64.7%
Asian 29.3%
Hispanic 3.1%
Black 1.5%
Multiracial 1.1%

Gender

52.4% Male
47.6% Female

Student Programs

English Learners 1.1%
Special Education 18.1%
Free/Reduced Lunch 8.2%

School Performance

Key metrics and program information

Attendance

94.8% Attendance Rate
9.7% Chronic Absence

Staffing

Location

9 Farmer Way, WESTFORD, MA

A-Rated School

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Part of Westford School District

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Frequently Asked Questions

What is Stony Brook School's grade rating?

Stony Brook School has earned a grade of A, ranked #42 in Massachusetts, placing it in the top 12% of Massachusetts Middle 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 Stony Brook School?

Approximately 546 students are enrolled at Stony Brook School.

How does Stony Brook School perform on MCAS tests?

Based on the most recent MCAS results, Stony Brook School's proficiency rates are: CIV (61% proficient), English Language Arts (67% proficient), Mathematics (77% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Stony Brook School?

Stony Brook School has an attendance rate of 94.8%. Strong attendance is correlated with better academic outcomes.

What school district is Stony Brook School part of?

Stony Brook School is part of Westford 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.