Cohasset

Cohasset is a PK–12 Massachusetts district with four schools — two elementary schools, one middle school, and one high school — serving roughly 1,397 students, and the district overall ranks 24th of 351 districts, in the 93rd percentile with 5 stars.

Joseph Osgood (PK–2, 369 students) and Deer Hill (grades 3–5, 347 students) feed into Cohasset Middle School (grades 6–8, 300 students) and Cohasset High School (grades 9–12, 381 students). The academic standout is Cohasset Middle School, which ranks 19th of 478 middle schools — the top 4% — with 5 stars, and has improved each of the past three years. Its 8th grade results are exceptionally strong: 89.02% proficient in ELA, 87.34% in Math, and 80.49% in Civics. Deer Hill is the most stable, holding 5 stars and about the 90th percentile for three straight years. Cohasset High School remains high-performing but slipped from 5 stars to 4 stars most recently, ranking 42nd of 353 high schools (88th percentile).

Across the district, every reported MCAS proficiency score is above the state average, with margins from about 16 points to more than 40 points. For example, Cohasset High 10th graders scored 75.31% in ELA, 74.07% in Math, and 56.96% in Science, against state averages of 45.48%, 43.73%, and 40.5%. High school outcomes are strong — a 99.0% graduation rate and 0.0% dropout rate — though 10th grade ELA and Science declined from the prior year. Joseph Osgood serves PK–2 and has no MCAS scores or rank history, so it cannot be compared on test performance. Free/reduced lunch data is not populated, and per-student spending ($17,888 at the middle school to $20,326 at the high school) shows no simple link to results.