Summary:
Monson, Massachusetts has three schools serving about 800 students: two elementary schools — Quarry Hill Community School (PK–K) and Granite Valley School (grades 1–6) — and one high school, Monson High School, which covers grades 7–12 and therefore also serves the middle grades; there are no standalone middle or alternative schools listed. The Monson district is ranked 286 out of 351 with a 19th percentile and 1 star, and district scores trail the state in every core subject.
Among the rated schools, Granite Valley School is the strongest relative performer. In both 2024–2025 and 2025–2026 it scored above the district in ELA, math, and science, and its science result of 38.24% proficient sits close to the state's 40.98% and above the district's 31.25%. Monson High School is more uneven: 10th-grade ELA (38.89%) and 8th-grade math (35.71%) beat district averages, but overall all-grade results are low and 8th-grade civics is just 12.73% against 39.77% statewide. It reports an 80.0% graduation rate and a 6.7% dropout rate, with the lowest student-teacher ratio at 8.1.
Quarry Hill Community School serves only PK–K, so it has no test-score or rank data and its academics cannot be judged here; its notable figure is per-student spending of $21,781, the highest of the three. Granite Valley, with 400 students, spends the least at $18,256 yet posts the best relative results, so spending and staffing do not line up simply with outcomes. Two caveats matter for families: free/reduced-lunch percentages are blank for all three schools, so poverty context is unavailable, and spending figures are from 2020–2021 rather than current budgets.
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