Summary:
The two schools in 07092 are in Mountainside School District: Beechwood School serves PK–2 and enrolls 265 students, while Deerfield Elementary School serves grades 3–8 and enrolls 483, for 748 students combined. Deerfield is the only school with reported test results, so the available data cannot establish which school performs better academically. In 2025–26, Deerfield scored above the state in every reported ELA, math, and science grade; the key exception to its otherwise strong state comparisons is grade 8 math, just 3 points above the state.
Deerfield stands out for achievement: its grade-level averages were 82% in ELA versus 51% statewide, and 80% in math versus 44% statewide for grades 3–7. Its math advantage over the state was larger than its ELA advantage when comparing the same grades 3–7: 36 points versus 31. Still, Deerfield’s math scores varied substantially, from 84% in grade 4 to 25% in grade 8. Beechwood stands out on attendance instead: chronic absenteeism was 3%, compared with 5% at Deerfield and 14% statewide in 2024–25. That is a positive attendance result, not an achievement comparison.
Deerfield’s state-relative results moved in different directions over time: its ELA average rose slightly from 82% to 82% between 2024–25 and 2025–26 as the state average fell, widening the gap by 3 points; its math average fell by 1 point, narrowing the state gap by 2 points. SchoolDigger rated Deerfield 57th of 743 schools, at the 92nd percentile with five stars in 2025–26, up 35 places and 4 percentile points from 2024–25. For context, both schools reported free/reduced lunch eligible for 2024–25: 3% at Deerfield and 4% at Beechwood. Their student-teacher ratios were 10.7 and 13.2, respectively.
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