Summary
Deer Hill is a public elementary school at 208 Sohier Rd in Cohasset, MA, serving 347 students in grades 3–5 as the tested upper-elementary stage of the Cohasset district, which ranks 24th of 351 Massachusetts districts (93rd percentile). Deer Hill itself is a top-decile school: it ranked 87th of 899 ranked elementary schools in 2025–2026 (90th percentile, 5 stars), and it has held 5 stars for three straight years. Its climb is notable — from 220th of 942 in 2018–2019 (77th percentile) to today's top-decile standing. Younger children in town attend Joseph Osgood for PK–2, which shares the same district and similar resource levels but has no comparable test data, making Deer Hill the tested continuation of that small pipeline.
On the 2025–2026 MCAS, Deer Hill's all-grade proficiency was 63.26% in English language arts, 68.51% in mathematics, and 65.79% in science — all far above Massachusetts statewide figures of 40.03%, 41.11%, and 40.98%. Mathematics is the standout: it has held steady near 68–69% for four years running. Results vary by grade, though all remain above state levels. Third-grade ELA was strongest at 69.75%, fourth-grade ELA lowest at 57.03%, fourth-grade math strongest at 71.09%, and science solid at 65.79% in fifth grade.
Locally, Deer Hill outranks and generally outscores the nearby Scituate and Norwell elementaries, including Jenkins Elementary School and William G Vinal. Hingham's top schools remain the local benchmark, especially in science and ELA — Plymouth River posted 77.08% ELA, 73.96% math, and 86.44% science. Subgroup effectiveness is broadly strong, including a special education recovery from the 59th to the 80th percentile; a low-SES ranking of 27th percentile in 2024–2025 is an outlier worth watching, with limited data available to interpret it. Per-student spending was $19,752 in 2020–2021, and the student–teacher ratio rose from 10.7 to 12.4 between 2023–2024 and 2024–2025.
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