Summary:
ZIP code 08551 has two schools: Copper Hill Elementary School, serving pre-K through grade 4, and East Amwell Township, serving pre-K through grade 8. In the latest results, the area’s average school-versus-state advantage was positive in both ELA and math, though results varied by grade. The most important takeaway is that East Amwell leads both grades the schools share, but its advantage is much larger in grade 3 than in grade 4.
East Amwell Township stands out across the wider grade span: its 2025–2026 ELA results were above the state in every reported grade, and its math results were above the state in grades 3–7. The exception is grade 8 math, where 16% were proficient, compared with 23% statewide. In the shared grades, East Amwell’s leads over Copper Hill were 26 percentage points in grade 3 ELA (65% versus 39%) and 19 points in grade 3 math (72% versus 53%); the grade 4 gaps were smaller, at 2 points in ELA (68% versus 66%) and 10 points in math (74% versus 64%). Copper Hill’s clearest weak spot is grade 3 ELA, below the state’s 48% at 39%, while its grade 4 results were above state levels in both subjects.
Results changed unevenly between 2024–2025 and 2025–2026. The area’s average advantage over the state narrowed by 8 percentage points in ELA and 5 points in math. At East Amwell, grade 8 math fell 25 points, from 41% to 16%, while Copper Hill grade 4 improved in both subjects. SchoolDigger’s latest percentile ranking was 86 for East Amwell and 63 for Copper Hill; these are rankings, not proficiency scores. In 2024–2025, free/reduced lunch eligible students made up 16% at East Amwell and 21% at Copper Hill. Student–teacher ratios were 9.4 and 9.0, respectively. These differences provide context, but do not show why results differ; comparisons beyond grades 3–4 are not between the two schools.
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