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Jefferson School
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Community prompt from u/allk12. Replies below.
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Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Jefferson School
As a cozy elementary school in LYNDHURST, New Jersey, Jefferson School works with 256 students from grades 3 through 5, operated by Lyndhurst Public School District. Compared to the state average of about 405 students per school, that is 37% smaller than typical.
Lyndhurst Public School District comprises 9 schools with combined enrollment of 2,606 students; Jefferson School is among them.
In terms of who attends, Jefferson School reports that the largest single group is Hispanic at 50%, but no single group is in the majority. The remainder breaks down as 36% White, 5% Black, 5% Asian, 4% multiracial. The wider county runs roughly 23% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.
On the resource side, Staff filings list 19 full-time-equivalent teachers, which works out to roughly 13.8:1 students per teacher. The state averages around 11.4:1, so this campus is higher than the state norm typical. Around 47% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. By comparison, Bergen County runs at roughly 28%, so the school's eligibility rate is meaningfully above the surrounding baseline.
On a residual basis (actual vs predicted given the student mix), Jefferson School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 40.3%, the actual is 45.0%, a residual of +4.7 points.
In the area at large, community-level numbers for Bergen County indicate the typical household earns roughly $124,884 per year, roughly 53% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Jefferson School is one of 291 public schools in Bergen County (combined enrollment of about 133,883 students).
Memorial School is the nearest neighboring public school, about 0.1 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Jefferson School. Ranking that nearby cluster on reported proficiency puts Jefferson School at 3rd of 6; the average score across the group is 53.8%.
Geographically, the school is in a commuter-belt area.
Over the past 7-year window. Over the past 7-year window, the student count fell 6%: 272 students in 2018 compared to 256 in 2025. The White share of enrollment ticked down from 57% to 36% over that span. The student-to-teacher ratio grew from 12.7:1 in 2018 to 13.8:1 today.
Within the allk12 community for this school, the feed for Jefferson School typically covers science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.
Bergen County at a glance
View full county profileQuick facts
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