- Enrollment
- 1,681
- Students per teacher
- 12.8:1
- Resource Index
- 43/100
Elementary school (grades K-5) · Iselin, NJ
Robert Mascenik Elementary School
Federal NCES profile for Robert Mascenik Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataElementary school (grades K-5)NCES 341812003688
👥 S:T ratio 50
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 79
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Robert Mascenik Elementary School earns 60/100 on the Resource Investment Index, with class sizes near the New Jersey median.
- #1 of 3
- elementary schools in Iselin · Resource Index
- 60
- Resource Index · Higher
- 12.5:1
- students per teacher
- 10.3%
- free-lunch eligible
Robert Mascenik Elementary School has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Robert Mascenik Elementary School ranks #1 of 3 elementary schools in Iselin, NJ.
School address
District: Woodbridge Township School District · New Jersey
NCES ID 341812003688 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-15 students YoY
Robert Mascenik Elementary School held near 306 students from 2022-23 to 2023-24 (-15 headcount).
Teacher FTE lost 23.0 → 21.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-15 students YoY 341812003688 · Iselin, NJ Elementary · SMALL · TRAD
288 enr · 12.5:1 · 10.3% lunch · RII 60
Nearest enrollment peer: Woodbridge High School (1,681 students)
Robert Mascenik Elementary School held near 306 students from 2022-23 to 2023-24 (-15 headcount). Teacher FTE lost 23.0 → 21.0 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Robert Mascenik Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Woodbridge Hig
Woodbridge High School
1,681 students
- John F. Kenned
John F. Kennedy Memorial High School
1,405 students
- Colonia High S
Colonia High School
1,354 students
- Iselin Middle
Iselin Middle School
794 students
- Lafayette Esta
Lafayette Estates Elementary School
705 students
- This school 288
Robert Mascenik Elementary School
288 students
What this shows Robert Mascenik Elementary School reports 288 students on the CCD universe file.
How Robert Mascenik Elementary School compares
Robert Mascenik Elementary School held steady on CCD headcount: 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 | 12.5:1 | ▲ 6% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 10.3% | ▼ 65% | 29.6% | 51.7% |
| Enrollment | 288 | top 77% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.5:1
Leaner classes than 71% of US schools, among the more generously staffed nationally.
288
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
10.3%
free-lunch eligible
- 65% 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
12.5:1
students per teacher
- 6% above state mean
Top 68% in New Jersey - lower ratio than 32% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
8.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$24,527
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 288 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 43.4%
White 28.8%
Hispanic or Latino 20.5%
African American 4.5%
Two or More 2.8%
Largest group: Asian at 43.4% of enrollment.
Student-body diversity index 68.4/100
Simpson diversity index - at 68.4, Robert Mascenik Elementary School is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
District finance for Woodbridge Township School District reports $24,527 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Robert Mascenik Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Woodbridge High School | Larger | Higher economic need | Similar S:T ratio |
| John F. Kennedy Memorial High School | Larger | Higher economic need | Similar S:T ratio |
| Colonia High School | Larger | Higher economic need | Similar S:T ratio |
| Iselin Middle School | Larger | Higher economic need | Similar S:T ratio |
| Lafayette Estates Elementary School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Robert Mascenik Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,405
- Students per teacher
- 12.3:1
- Resource Index
- 44/100
- Enrollment
- 1,354
- Students per teacher
- 11.1:1
- Resource Index
- 60/100
- Enrollment
- 794
- Students per teacher
- 11.3:1
- Resource Index
- 55/100
- Enrollment
- 705
- Students per teacher
- 20.7:1
- Resource Index
- 40/100
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 (~288 students)
Frequently asked questions about Robert Mascenik Elementary School
How many students attend Robert Mascenik Elementary School?
Robert Mascenik Elementary School has 288 students enrolled. It is an elementary school in Iselin, NJ. CCD year-over-year: 321 (2022-23) → 306 (2023-24), nearly flat (-15).
What is the student-teacher ratio at Robert Mascenik Elementary School?
The student-teacher ratio at Robert Mascenik Elementary School is 12.5:1, which is 6% higher than the New Jersey average of 11.8:1 and 20% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Robert Mascenik Elementary School?
10.3% of students at Robert Mascenik Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Robert Mascenik Elementary School?
The largest demographic group at Robert Mascenik Elementary School is Asian at 43.4% of enrollment, in Iselin, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.4/100.
What is the Resource Investment Index for Robert Mascenik Elementary School?
Robert Mascenik Elementary School has a Resource Investment Index of 60/100 (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 Robert Mascenik Elementary School rank among elementary schools in Iselin?
By Resource Investment Index, Robert Mascenik Elementary School ranks #1 of 3 elementary schools in Iselin, 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 Iselin on the city page.
What other schools are in Woodbridge Township School District?
Besides Robert Mascenik Elementary School, Woodbridge Township School District also operates Woodbridge High School (1,681 students), John F. Kennedy Memorial High School (1,405 students), and Colonia High School (1,354 students). See the Woodbridge Township School District district page for the complete list.