Enrollment
310
New Jersey · 2024-25 NCES data
Elementary school (grades K-5) · Branchburg, NJ
Stony Brook School
Federal NCES profile for Stony Brook School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
2024-25 NCES dataElementary school (grades K-5)NCES 340216005158
👥 S:T ratio 70
🌟 Gifted program 70
🎓 Counselors 38
📋 Attendance 84
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Stony Brook School earns 65/100 on the Resource Investment Index, with class sizes smaller than 95% of New Jersey schools.
- 65
- Resource Index · Higher
- 7.6:1
- small classes for New Jersey
- 3.5%
- free-lunch eligible
- 310
- students enrolled
Stony Brook School has class sizes smaller than 95% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
School address
District: Branchburg Township School District · New Jersey
NCES ID 340216005158 Verify on NCES CCD record →
Teachers (FTE)
41.0
Federal CCD staff survey
Students per teacher
7.6:1
vs 11.8:1 New Jersey avg
-36% vs state
Free-lunch eligible
3.5%
vs 29.6% New Jersey avg
-88% vs state
Student-teacher ratio in context
How Stony Brook School compares with New Jersey and U.S. medians
What stands out at Stony Brook School
Stony Brook School is a lower-poverty, mid-sized elementary school in Branchburg, New Jersey, enrolling 310 students.
Classes run notably small here: at 7.6:1, Stony Brook School is leaner than roughly 95% of New Jersey schools and 36% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 3.5% free-meal eligibility runs 88% below the New Jersey average.
Enrollment of 310 puts it in the smaller third of New Jersey schools by headcount.
Its Resource Investment Index lands in the upper third of 2,501 scored New Jersey schools.
Against 490 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #93.
Its student body is led by White (61%) and Asian (16%) (diversity index 58/100).
Counselor coverage runs a bit thin, about 310 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance holds up well here: only 6.5% of students were chronically absent, below the typical post-pandemic national figure.
Branchburg Township School District also operates Whiton Elementary School (617 students) and Branchburg Central Middle School (458 students) alongside Stony Brook School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Stony Brook School compares
Stony Brook School on the metrics families compare, against New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 7.6:1 | ▼ 36% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 3.5% | ▼ 88% | 29.6% | 51.7% |
| Enrollment | 310 | top 72% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
7.6:1
Leaner classes than 96% of US schools, among the more generously staffed nationally.
310
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
3.5%
free-lunch eligible
- 88% below the New Jersey average of 29.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
7.6:1
students per teacher
- 36% below state mean
Top 5% in New Jersey - lower ratio than 95% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
6.5%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$29,365
per pupil, district-wide
- above New Jersey avg of $24,984
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 310 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.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 61.3%
Asian 16.1%
Hispanic or Latino 12.6%
Two or More 5.8%
African American 4.2%
Largest group: White at 61.3% of enrollment.
Student-body diversity index 57.7/100
Simpson diversity index - at 57.7, Stony Brook School is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Branchburg Township School District, which includes Stony Brook School.
$29,365
Per student
+18%
vs New Jersey
Avg $24,984
+77%
vs U.S.
Avg $16,593
Revenue mix
Local 78.0%
State 18.9%
Federal 3.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Stony Brook School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Whiton Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Branchburg Central Middle School | Larger | Similar economic need | 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
- 617
- Students per teacher
- 10.1:1
- Resource Index
- 62/100
- Enrollment
- 458
- Students per teacher
- 8.8:1
- Resource Index
- 66/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New Jersey, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~310 students)
Next steps
Verify locally before acting on Stony Brook School's federal record.
- Compare Stony Brook School against another school. Compare schools
- Branchburg Township School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Stony Brook School
How many students attend Stony Brook School?
Stony Brook School has 310 students enrolled. It is an elementary school in Branchburg, NJ.
What is the student-teacher ratio at Stony Brook School?
The student-teacher ratio at Stony Brook School is 7.6:1, which is 36% lower than the New Jersey average of 11.8:1 and 52% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Stony Brook School?
3.5% of students at Stony Brook School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Stony Brook School?
The largest demographic group at Stony Brook School is White at 61.3% of enrollment, in Branchburg, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.7/100.
What is the Resource Investment Index for Stony Brook School?
Stony Brook School has a Resource Investment Index of 65/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Stony Brook School a good school?
Stony Brook School earns 65/100 on the Resource Investment Index, with class sizes smaller than 95% of New Jersey schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Branchburg Township School District?
Besides Stony Brook School, Branchburg Township School District also operates Whiton Elementary School (617 students) and Branchburg Central Middle School (458 students). See the Branchburg Township School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.