- Enrollment
- 2,144
- Students per teacher
- 14:1
- Resource Index
- 48/100
Elementary school (grades K-5) · Piscataway, NJ
Knollwood Elementary School
Federal NCES profile for Knollwood Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 341305000042
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 8
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Knollwood Elementary School earns 48/100 on the Resource Investment Index, with class sizes larger than 88% of New Jersey schools. It is also more racially and ethnically mixed than most New Jersey schools.
- #1 of 6
- elementary schools in Piscataway · Resource Index
- 48
- Resource Index · Typical
- 14.4:1
- large classes for New Jersey
- 20.3%
- free-lunch eligible
Knollwood Elementary School has class sizes larger than 88% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Knollwood Elementary School ranks #1 of 6 elementary schools in Piscataway, NJ.
School address
District: Piscataway Township School District · New Jersey
NCES ID 341305000042 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-41 students YoY
Knollwood Elementary School shrank from 508 students in 2022-23 to 467 in 2023-24 (-8.1%).
Teacher FTE lost 32.1 → 31.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-41 students YoY 341305000042 · Piscataway, NJ Elementary · SMALL · TRAD
460 enr · 14.4:1 · 20.3% lunch · RII 48
Nearest enrollment peer: Piscataway Township High School (2,144 students)
Knollwood Elementary School shrank from 508 students in 2022-23 to 467 in 2023-24 (-8.1%). Teacher FTE lost 32.1 → 31.7 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Knollwood Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Piscataway Tow
Piscataway Township High School
2,144 students
- Piscataway Tow 616
Piscataway Township Schools Children's Corner
616 students
- Grandview Elem 579
Grandview Elementary School
579 students
- Theodore Schor 563
Theodore Schor Middle School
563 students
- Arbor Elementa 528
Arbor Elementary School
528 students
- This school 460
Knollwood Elementary School
460 students
What this shows Knollwood Elementary School reports 460 students on the CCD universe file.
How Knollwood Elementary School compares
Knollwood Elementary School is a shrinking 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 | 14.4:1 | ▲ 22% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 20.3% | ▼ 31% | 29.6% | 51.7% |
| Enrollment | 460 | top 46% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
460
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
20.3%
free-lunch eligible
- 31% below the New Jersey average of 29.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.4:1
students per teacher
- 22% above state mean
Top 88% in New Jersey - lower ratio than 12% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.3%
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
$21,451
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 460 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
Asian 42.0%
Hispanic or Latino 19.8%
African American 16.1%
White 14.1%
Two or More 7.2%
American Indian / Alaska Native 0.9%
Largest group: Asian at 42.0% of enrollment.
Student-body diversity index 73.3/100
Simpson diversity index - at 73.3, Knollwood Elementary School is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
District finance for Piscataway Township School District reports $21,451 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Knollwood Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Piscataway Township High School | Larger | Similar economic need | Similar S:T ratio |
| Piscataway Township Schools Children's Corner | Larger | Similar economic need | No ratio data |
| Grandview Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Theodore Schor Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Arbor Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Knollwood Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 616
- Students per teacher
- -
- Resource Index
- 30/100
- Enrollment
- 579
- Students per teacher
- 7.5:1
- Resource Index
- 44/100
- Enrollment
- 563
- Students per teacher
- 12.8:1
- Resource Index
- 50/100
- Enrollment
- 528
- Students per teacher
- 14.3:1
- Resource Index
- 45/100
Nationwide elementary 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 (~460 students)
Frequently asked questions about Knollwood Elementary School
How many students attend Knollwood Elementary School?
Knollwood Elementary School has 460 students enrolled. It is an elementary school in Piscataway, NJ. CCD year-over-year: 508 (2022-23) → 467 (2023-24), down 41.
What is the student-teacher ratio at Knollwood Elementary School?
The student-teacher ratio at Knollwood Elementary School is 14.4:1, which is 22% higher than the New Jersey average of 11.8:1 and 8% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Knollwood Elementary School?
20.3% of students at Knollwood Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Knollwood Elementary School?
The largest demographic group at Knollwood Elementary School is Asian at 42.0% of enrollment, in Piscataway, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.3/100.
What is the Resource Investment Index for Knollwood Elementary School?
Knollwood Elementary School has a Resource Investment Index of 48/100 (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 Knollwood Elementary School rank among elementary schools in Piscataway?
By Resource Investment Index, Knollwood Elementary School ranks #1 of 6 elementary schools in Piscataway, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Piscataway on the city page.
What other schools are in Piscataway Township School District?
Besides Knollwood Elementary School, Piscataway Township School District also operates Piscataway Township High School (2,144 students), Piscataway Township Schools Children's Corner (616 students), and Grandview Elementary School (579 students). See the Piscataway Township School District district page for the complete list.