- Enrollment
- 1,141
- Students per teacher
- 11.5:1
- Resource Index
- 47/100
Other / mixed grade configuration · North Plainfield, NJ
Stony Brook School
Federal NCES profile for Stony Brook School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataOther / mixed grade configurationNCES 341164005264
👥 S:T ratio 60
🌟 Gifted program 30
🎓 Counselors 46
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Stony Brook School earns 45/100 on the Resource Investment Index, with class sizes smaller than 72% of New Jersey schools. It is also less racially and ethnically mixed than most New Jersey schools.
- #3 of 3
- schools in North Plainfield · Resource Index
- 45
- Resource Index · Typical
- 10.1:1
- small classes for New Jersey
- 67.3%
- free-lunch eligible
Stony Brook School has class sizes smaller than 72% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Stony Brook School ranks #3 of 3 schools in North Plainfield, NJ.
School address
District: North Plainfield School District · New Jersey
NCES ID 341164005264 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+26 students YoY
Stony Brook School grew from 251 students in 2022-23 to 277 in 2023-24 (+10.4%).
Teacher FTE added 27.0 → 28.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+26 students YoY 341164005264 · North Plainfield, NJ Other · SMALL · TRAD
272 enr · 10.1:1 · 67.3% lunch · RII 45
Nearest enrollment peer: North Plainfield High School (1,141 students)
Stony Brook School grew from 251 students in 2022-23 to 277 in 2023-24 (+10.4%). Teacher FTE added 27.0 → 28.0 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Stony Brook School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- North Plainfie
North Plainfield High School
1,141 students
- West End Schoo
West End School
600 students
- North Plainfie
North Plainfield Middle School
538 students
- Somerset Schoo
Somerset School
485 students
- East End Schoo 451
East End School
451 students
- This school 272
Stony Brook School
272 students
What this shows Stony Brook School reports 272 students on the CCD universe file.
How Stony Brook School compares
Stony Brook School is a growing campus on CCD: ratios and free-lunch share vs New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.1:1 | ▼ 14% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 67.3% | ▲ 127% | 29.6% | 51.7% |
| Enrollment | 272 | top 80% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.1:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
272
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
67.3%
free-lunch eligible
- 127% above the New Jersey average of 29.6%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
10.1:1
students per teacher
- 14% below state mean
Top 28% in New Jersey - lower ratio than 72% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$24,080
per pupil, district-wide
- below New Jersey avg of $26,225
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 272 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 89.7%
White 5.9%
African American 2.2%
Asian 1.5%
Two or More 0.7%
Largest group: Hispanic or Latino at 89.7% of enrollment.
Student-body diversity index 19.1/100
Simpson diversity index - at 19.1, Stony Brook School is less mixed than the New Jersey school average of 51.2.
Programs
District finance for North Plainfield School District reports $24,080 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 |
|---|---|---|---|
| North Plainfield High School | Larger | Lower economic need | Similar S:T ratio |
| West End School | Larger | Lower economic need | Similar S:T ratio |
| North Plainfield Middle School | Larger | Lower economic need | Similar S:T ratio |
| Somerset School | Larger | Lower economic need | Similar S:T ratio |
| East End School | Larger | Lower 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
- 600
- Students per teacher
- 11.5:1
- Resource Index
- 51/100
- Enrollment
- 538
- Students per teacher
- 10.8:1
- Resource Index
- 50/100
- Enrollment
- 485
- Students per teacher
- 9.2:1
- Resource Index
- 66/100
- Enrollment
- 451
- Students per teacher
- 10.3:1
- Resource Index
- 52/100
Similar other schools in North Plainfield
2 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~272 students)
Similar student-teacher ratio (~10.1:1)
Frequently asked questions about Stony Brook School
How many students attend Stony Brook School?
Stony Brook School has 272 students enrolled. It is a public school in North Plainfield, NJ. CCD year-over-year: 251 (2022-23) → 277 (2023-24), up 26.
What is the student-teacher ratio at Stony Brook School?
The student-teacher ratio at Stony Brook School is 10.1:1, which is 14% lower than the New Jersey average of 11.8:1 and 36% 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?
67.3% 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 Hispanic or Latino at 89.7% of enrollment, in North Plainfield, NJ.
What is the Resource Investment Index for Stony Brook School?
Stony Brook School has a Resource Investment Index of 45/100 (typical 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 schools in North Plainfield?
By Resource Investment Index, Stony Brook School ranks #3 of 3 schools in North Plainfield, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in North Plainfield on the city page.
What other schools are in North Plainfield School District?
Besides Stony Brook School, North Plainfield School District also operates North Plainfield High School (1,141 students), West End School (600 students), and North Plainfield Middle School (538 students). See the North Plainfield School District district page for the complete list.