Summary:
ZIP code 08534 has one middle school, Timberlane Middle School, serving grades 6–8 with 803 students, in the Hopewell Valley Regional School District. Its strongest and most consistent result is English Language Arts: in 2025–2026, proficiency was above the state in all three grades, by 25 to 30 percentage points.
Because Timberlane is the only middle school in the ZIP code, there is no local school-to-school top or bottom comparison. Within the school, ELA is the clear standout: 2025–2026 proficiency was 77% in grade 6, 85% in grade 7, and 78% in grade 8, compared with state results of 51%, 56%, and 53%. Math was more mixed: grades 6 and 7 were 17 and 7 points above the state, while grade 8 was 2 points below. Eighth-grade science was another strength, at 39% versus 19% statewide, a 20-point advantage. Algebra I and Geometry results were also above their state comparisons, by 40 and 42 points.
Results changed differently by subject: Timberlane’s average ELA advantage over the state grew from 18 points in 2024–2025 to 27 points in 2025–2026, while its average math advantage narrowed from 13 points to 7. Grade 7 and grade 8 math proficiency fell by 9 and 6 points, respectively, even as ELA rose in those grades. Eighth-grade science improved by 10 points, from 29% to 39%. SchoolDigger’s ranking improved from 157th of 743 schools in 2023–2024 to 124th of 743 in 2025–2026, moving from the 79th to the 83rd percentile; this does not mean every test result rose. Context figures include a 9.7 student-teacher ratio and 7% free/reduced lunch eligible in 2024–2025.
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