Serving 546 students in grades 6-8, Stony Brook School ranks in the top 20% of all schools in Massachusetts for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 74% (which is higher than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 13:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 35% of the student body (majority Asian), which is lower than the Massachusetts state average of 49% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 546 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 35%
- Overall Testing Rank: Top 20% in MA
- Math Proficiency: 74% (Top 10%)
- Reading Proficiency: 64% (Top 20%)
- Science Proficiency: 70-74% (Top 10%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Stony Brook School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Stony Brook School's student population of 546 students has declined by 9% over five school years.
The teacher population of 42 teachers has declined by 10% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
546 students
Total Classroom Teachers
42 teachers
Last Day of School
Sat. Jun 13, 2026
School Motto
Shaping the Future One Child at a Time
School Rankings
Stony Brook School ranks within the top 20% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Stony Brook School is 0.50, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#187 out of 1626 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
74%
42%
Reading/Language Arts Test Scores (% Proficient)
64%
44%
Science Test Scores (% Proficient)
70-74%
44%
Student-Teacher Ratio
13:1
12:1
American Indian
n/a
n/a
Asian
29%
8%
Hispanic
3%
26%
Black
2%
10%
White
65%
51%
Hawaiian
n/a
n/a
Two or more races
1%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
7%
34%
Eligible for Reduced Lunch
1%
4%
School Statewide Testing
School District Name
Westford School District
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Stony Brook School's ranking?
Stony Brook School is ranked #187 out of 1,626 schools, which ranks it among the top 20% of public schools in Massachusetts.
What schools are Stony Brook School often compared to?
Stony Brook Schoolis often viewed alongside schools like Blanchard Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
74% of students have achieved math proficiency (compared to the 42% MA state average), while 64% of students have achieved reading proficiency (compared to the 44% MA state average).
How many students attend Stony Brook School?
546 students attend Stony Brook School.
What is the racial composition of the student body?
65% of Stony Brook School students are White, 29% of students are Asian, 3% of students are Hispanic, 2% of students are Black, and 1% of students are Two or more races.
What is the student-teacher ratio of Stony Brook School?
Stony Brook School has a student ration of 13:1, which is higher than the Massachusetts state average of 12:1.
What grades does Stony Brook School offer ?
Stony Brook School offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Stony Brook School part of?
Stony Brook School is part of Westford School District.
School Reviews
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