- Enrollment
- 1,504
- Students per teacher
- 13.3:1
- Resource Index
- 55/100
Middle school (grades 6-8) · Westford, MA
Stony Brook School
Federal NCES profile for Stony Brook School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 251266002080
👥 S:T ratio 54
🌟 Gifted program 30
🎓 Counselors 78
📋 Attendance 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Stony Brook School earns 58/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #1 of 10
- public schools in Westford · Resource Index
- 58
- Resource Index · Higher
- 11.4:1
- students per teacher
- 546
- students enrolled
Stony Brook School has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Stony Brook School ranks #1 of 10 public schools in Westford, MA.
School address
District: Westford · Massachusetts
NCES ID 251266002080 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-26 students YoY
Stony Brook School held near 586 students from 2022-23 to 2023-24 (-26 headcount).
Teacher FTE lost 48.6 → 46.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-26 students YoY 251266002080 · Westford, MA Middle · MID · TRAD
546 enr · 11.4:1 · RII 58
Nearest enrollment peer: Westford Academy (1,504 students)
Stony Brook School held near 586 students from 2022-23 to 2023-24 (-26 headcount). Teacher FTE lost 48.6 → 46.4 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Stony Brook School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Westford Acade
Westford Academy
1,504 students
- This school 546
Stony Brook School
546 students
- Blanchard Midd 541
Blanchard Middle
541 students
- Abbot Elementa 371
Abbot Elementary
371 students
- Col John Robin 346
Col John Robinson
346 students
- Nabnasset 345
Nabnasset
345 students
What this shows Stony Brook School reports 546 students on the CCD universe file.
How Stony Brook School compares
Stony Brook School held steady on CCD headcount: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.4:1 | ▼ 7% | 12.3:1 | 15.7:1 |
| Enrollment | 546 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.4:1
Leaner classes than 80% of US schools, among the more generously staffed nationally.
546
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
11.4:1
students per teacher
- 7% below state mean
Top 41% in Massachusetts - lower ratio than 59% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
12.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$18,414
per pupil, district-wide
- below Massachusetts avg of $23,695
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors5.0 FTE
Per 109 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 64.7%
Asian 29.3%
Hispanic or Latino 3.1%
African American 1.5%
Two or More 1.1%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 64.7% of enrollment.
Student-body diversity index 49.4/100
Simpson diversity index - at 49.4, Stony Brook School is more mixed than the Massachusetts school average of 47.3.
Programs
District finance for Westford reports $18,414 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Stony Brook School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Westford Academy | Larger | No free-lunch data | Higher S:T ratio |
| Blanchard Middle | Similar size | No free-lunch data | Similar S:T ratio |
| Abbot Elementary | Smaller | No free-lunch data | Similar S:T ratio |
| Col John Robinson | Smaller | No free-lunch data | Higher S:T ratio |
| Nabnasset | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Stony Brook School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 541
- Students per teacher
- 11.5:1
- Resource Index
- 58/100
- Enrollment
- 371
- Students per teacher
- 12:1
- Resource Index
- 53/100
- Enrollment
- 346
- Students per teacher
- 15:1
- Resource Index
- 49/100
- Enrollment
- 345
- Students per teacher
- 12.3:1
- Resource Index
- 44/100
Similar middle schools in Westford
1 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~546 students)
Frequently asked questions about Stony Brook School
How many students attend Stony Brook School?
Stony Brook School has 546 students enrolled. It is a middle school in Westford, MA. CCD year-over-year: 612 (2022-23) → 586 (2023-24), nearly flat (-26).
What is the student-teacher ratio at Stony Brook School?
The student-teacher ratio at Stony Brook School is 11.4:1, which is 7% lower than the Massachusetts average of 12.3:1 and 27% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Stony Brook School?
The largest demographic group at Stony Brook School is White at 64.7% of enrollment, in Westford, MA.
What is the Resource Investment Index for Stony Brook School?
Stony Brook School has a Resource Investment Index of 58/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Stony Brook School rank among public schools in Westford?
By Resource Investment Index, Stony Brook School ranks #1 of 10 public schools in Westford, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Westford on the city page.
What other schools are in Westford?
Besides Stony Brook School, Westford also operates Westford Academy (1,504 students), Blanchard Middle (541 students), and Abbot Elementary (371 students). See the Westford district page for the complete list.