Summary:
Zip code 02067 is served by a single district, Sharon, made up of five schools — one high school (grades 9–12), one middle school (6–8), and three K–5 elementaries — enrolling 3,412 students, with every building ranking in the top 11% of its comparison group statewide.
Heights Elementary is the strongest performer, holding the highest statewide percentile in the zip code (96th of 899 elementaries) and the district's best elementary math score at 77.86%. East Elementary is the clear improver, climbing from 74th to 51st of 899 (94th percentile) while its math rose to 73.93%. Cottage Street leads the district in elementary science (75.32%) but is the only 4-star school, with the lowest elementary English language arts (62.34%) and math (67.97%) and a rank that slipped to 96th (89th percentile). Sharon Middle is the most stable, ranked 42nd of 478 in back-to-back years (91st percentile) with 71.65% in 8th-grade civics. Sharon High sits at the 92nd percentile of 353 high schools, posting 77.36% math and 72.18% ELA, plus a 96.3% graduation rate and a 1.1% dropout rate.
The more interesting variation sits inside schools rather than between them. Grade-level cohorts swing widely — East Elementary spans 79.17% to 58.33% in ELA across grades, and Sharon Middle shows a 13-point gap between 7th- and 8th-grade ELA. Heights' science fell 10.7 points in a year, the largest single swing in the data. Elementary classes also run noticeably larger (16.0–16.6 students per teacher) than the middle school's 10.5, even though per-student spending varies by only about 2%. Free/reduced-lunch figures were suppressed for every school, so no socioeconomic context can be drawn.
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