Summary
Dennett Elementary is a public K–6 school in Plympton, Massachusetts, serving 249 students as the only school in the Plympton district. It is one of the smaller elementary schools in its immediate area, and small grade cohorts can make year-to-year subject results more variable.
On the 2025–2026 MCAS Next Generation tests, 57.23% of Dennett students met or exceeded expectations in English language arts, 56.60% in math, and 54.55% in science — all above the state averages of 40.03%, 41.11%, and 40.98%, by margins of roughly 13.6 to 17.2 percentage points. That places the school 203rd of 899 Massachusetts schools (77th percentile, 4 stars), essentially tied with Halifax Elementary (200/899) and ahead of West Elementary, Kingston Intermediate, Bryantville Elementary, Hobomock Elementary, Cold Spring, Hedge, and Carver Elementary School. Dennett's math proficiency is the highest among nearby comparable schools, while its ELA result trails only Halifax. Science is above the state but behind West, Halifax, and Bryantville. The Plympton district ranks 75th of 351 statewide (79th percentile, 4 stars).
Grade-level results show the same pattern: third-grade ELA proficiency is 75.68%, far above the state's 42.79%, and sixth-grade math is 60.87%. Sixth-grade ELA (47.83%) is the weakest relative spot, though still above the state's 40.26%. Science has been volatile — 39.29% in 2022–2023, 63.33% in 2023–2024, 65.22% in 2024–2025, and 54.55% in 2025–2026 — since science is tested only in grade 5 at this level. Dennett achieves these results without unusually small classes or top spending: its 14.2 student/teacher ratio is higher than Halifax's, and per-student spending of $16,659 is mid-pack. School-level effectiveness is notably high for students with disabilities (84th percentile in 2025–2026, up from 64th) and for low socio-economic status students (89th percentile in 2024–2025). Note that free/reduced-lunch data are not reported for Dennett or nearby schools, and spending figures are only available through 2020–2021.
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