Summary:
The six schools in zip code 08057 serve preschool through grade 12 in the Moorestown Township Public School District: three elementary schools serve preschool through grade 3, followed by schools serving grades 4–6, 7–8 and 9–12. The latest test results are from 2025–2026, and every reported proficiency result is above the state result for the same grade and subject. The clearest overall takeaway is that strong results compared with the state do not mean results are equally strong across local schools.
Among the three schools with third-grade results, South Valley Elementary School leads in English language arts (ELA), at 83% proficient, while George C. Baker Elementary School leads in math, at 88%. Mary E. Roberts Elementary School is lowest in both subjects: 63% in ELA and 71% in math. South Valley is 20 percentage points ahead of Roberts in ELA; Baker is 17 points ahead in math. Roberts nevertheless exceeds the state by 15 points in ELA and 22 points in math. In the older grades, Moorestown Upper Elementary School is 30 points above the state in sixth-grade math, and William Allen Middle School posts 99% proficiency in Algebra I End-of-Course, 59 points above the state.
Recent changes are mixed, with Roberts the clearest concern: its third-grade ELA fell 11 points and math fell 13 points from the prior year, while Baker and South Valley improved in both. SchoolDigger’s statewide ranking percentile for Roberts also fell from 95 to 79; Baker’s rose from 93 to 97. Across 27 matched school-subject-grade comparisons, the average advantage over the state narrowed by 2 points, but 15 gaps narrowed and 12 widened, so this is not evidence of broad improvement. Context differs too: all six schools report free/reduced lunch eligible figures for school year 2024–2025; Roberts reported 14%, compared with 3% at South Valley and 4% at Baker. Their student–teacher ratios were 11.7, 13.8 and 14.0, respectively—figures that do not follow a simple pattern with test results.
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