Jefferson Elementary School
School pathway
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsWhat this means: On the NJSLA, New Jersey's statewide test, about 62 of every 100 students at this school read and write at grade level and about 48 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 10 points since 2023, while math scores have held steady.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 51% of students here test proficient in math and reading, compared with the roughly 46% 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 Jefferson Elementary School
Set in BERGENFIELD, New Jersey, Jefferson Elementary School is a compact primary school, overseen by Bergenfield Borough School District. It teaches 291 students across grades K through 5. Compared to the state average of about 405 students per school, that is 28% smaller than typical.
Across the 7 schools in Bergenfield Borough School District (3,600 students total), Jefferson Elementary School accounts for its share of the district's footprint.
In terms of who attends, Jefferson Elementary School shows that 51% of students identify as Hispanic, with the remaining enrollment distributed across several groups. Other groups include 24% Asian, 14% White, 8% Black, 3% multiracial. That is noticeably more Hispanic than the county at large, where the share is closer to 23%.
On the resource side, On paper, Jefferson Elementary School has 18 full-time-equivalent teachers, translating to a class-load average of around 16.5:1. Statewide, the average ratio sits near 11.4:1, putting Jefferson Elementary School higher than the state norm the norm. Roughly 36% of students at Jefferson Elementary School qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Bergen County runs at roughly 28%, so the school's eligibility rate is above the surrounding baseline.
Adjusting for the school's free-and-reduced-lunch share, Jefferson Elementary School tracks the demographic baseline. The model predicts 46.4% given the school's FRL share; actual proficiency is 51.3%.
Across the wider county, the surrounding county (Bergen County) records that median household earnings sit near $124,884, 53% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. Jefferson Elementary School is one of 291 public schools in Bergen County (combined enrollment of about 133,883 students).
The closest other public school is Honiss Elementary\Middle School, roughly 0.4 miles away. Counting just inside five miles, 8 other public schools cluster around Jefferson Elementary School. Ranking that nearby cluster on reported proficiency puts Jefferson Elementary School at 7th of 9; the average score across the group is 58.0%.
Geographically, the school is in a bedroom-community area.
Looking at the recent track record. Looking back 7 years, enrollment at Jefferson Elementary School has expanded 11%, going from 262 students in 2018 to 291 in 2025. Class-load math has loosened: from 13.4:1 in 2018 to 16.5:1 in 2025.
On allk12, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.
Bergen County at a glance
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- Honiss Elementary\Middle School0.4 mi · 624
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- Tenafly Middle School1.0 mi · 916