Summary
William E Sheehan is a K–5 elementary school in Westwood, MA, with 278 students, part of the Westwood Public Schools district. It is an elite Massachusetts school: in 2025–2026 it ranked 36th of 899 elementary schools statewide (96th percentile, 5 stars), though that is a step back from its 4th-of-906 and 4th-of-916 finishes in the prior two years. Its 2025–2026 MCAS Next Generation results were 69.66% proficient in ELA, 76.71% in Math, and 73.08% in Science—roughly 30 points above state averages. A data note: free/reduced-lunch fields are suppressed, so the school’s economic profile is unknown.
Within Westwood, comparisons matter most. Sheehan currently trails Martha Jones and Downey in most subjects, though it beats Pine Hill Elementary School in ELA and Math. Science is the exception: Sheehan’s 73.08% was the lowest among the four Westwood elementaries with comparable data, a notable drop from its 88.64% in 2024–2025 when it led the group. Nearby Norwood schools score far lower—Balch, for example, had 30.16% ELA and 32.54% Math—so Sheehan’s results are roughly double. Fisher in Walpole is strong (57th of 899), but Sheehan had higher ELA and Math in 2025–2026. Sheehan’s student/teacher ratio is 11.7, the smallest among Westwood elementaries, and its 2020–2021 per-student spending was $20,467, mid-to-high but not the district’s highest.
A standout is subgroup effectiveness. Sheehan ranked 16th of 709 for Special Education Students in 2025–2026 (98th percentile, 5 stars), and it has been in the 98th–99th percentile for several years—a strong signal of how well it supports students with disabilities. Female and male students also rank in the 95th–96th percentiles. Overall, Sheehan remains a high-performing, 5-star school with an exceptional long-term record. The 2025–2026 results show a relative softening, especially in Science, but all subjects remain far above state averages. Because Science is tested only in grade 5, that dip may reflect cohort variability rather than a sustained trend.
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