Robert Mascenik Elementary School
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsWhat this means: On the NJSLA, New Jersey's statewide test, about 50 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are up about 4 points since 2023, while math scores are up about 1 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 50% of students here test proficient in math and reading, compared with the roughly 51% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New Jersey's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Robert Mascenik Elementary School
Set in ISELIN, New Jersey, Robert Mascenik Elementary School is a low-enrollment elementary-level community, operated by Woodbridge Township School District. It serves 288 students across grades K through 5. Compared to the state average of about 405 students per school, that is 29% leaner than typical.
Within Woodbridge Township School District, which oversees 24 schools and 13,869 students, Robert Mascenik Elementary School is one campus in the system.
Demographically, Robert Mascenik Elementary School lists that the largest single group is Asian at 43%, but no single group is in the majority; the rest comes out to 29% White, 20% Hispanic, 5% Black, 3% multiracial. By comparison, Middlesex County as a whole is about 26% Asian, so the school skews meaningfully more Asian than its surroundings.
On the resource side, On paper, Robert Mascenik Elementary School has 19 full-time-equivalent teachers, translating to a class-load average of around 15.2:1. That figure is higher than the state norm's 11.4:1 average. Roughly 27% of students at Robert Mascenik Elementary School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is south of Middlesex County's rate of about 42%.
On a demographically-adjusted basis, Robert Mascenik Elementary School tracks the demographic baseline. The model predicts 51.3% given the school's FRL share; actual proficiency is 49.9%.
Across the wider county, community-level numbers for Middlesex County indicate median household earnings sit near $111,549, about 46% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 6%. Across Middlesex County's 214 public schools (combined enrollment of about 129,255 students), Robert Mascenik Elementary School is one campus in the mix.
The closest other public school is Indiana Avenue Elementary School, roughly 0.4 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Robert Mascenik Elementary School at 4th of 8; the average score across the group is 47.0%.
The school occupies an outer-ring site.
Trend over the last 7 years. Robert Mascenik Elementary School's enrollment has edged down 7% since 2018, when it stood at 309 (now 288). The Hispanic share of enrollment expanded from 8% to 20% over that span.
On the community side, posts here usually surface around open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.
Middlesex County at a glance
View full county profileQuick facts
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