Summary:
Millbury, Massachusetts has three schools serving about 1,631 students: two elementary schools, Elmwood Street for grades PK–2 and Raymond E. Shaw Elementary for grades 3–6, plus Millbury Junior/Senior High, which covers grades 7–12 and therefore also serves the middle-grade population. There is no separate middle school or alternative school. The Millbury district ranks 254th of 351 in Massachusetts, at the 28th percentile with 1 star, though school-level results vary considerably.
Raymond E. Shaw Elementary is the academic standout. In 2025–2026, its All Grades proficiency rates were 35.61% in ELA, 42.24% in mathematics, and 40.63% in science — above the district in all three subjects and above the state in mathematics. It ranked 485th of 899, at the 46th percentile with 2 stars. Millbury Junior/Senior High, the largest school with 722 students, trailed both district and state in 2025–2026: ELA 27.35%, math 32.61%, science 30.83%. Its bright spots include 7th grade mathematics at 41.00%, above both district and state, but 7th grade ELA was 22.00%, 8th grade math 26.15%, and Biology End of Course 18.28%, far below the state's 37.68%.
Year over year, the high school's All Grades ELA fell from 39.66% to 27.35%, a 12.31-point decline, steeper than the district's 5.20-point drop. Its 94.4% graduation rate is slightly above the district's 93.8%, while its 3.2% dropout rate is slightly above the district's 3.1%. Elmwood Street, the PK–2 school, has the highest student-teacher ratio (14.7) and the lowest per-student spending ($17,459) of the three, compared with $18,986 at Raymond E. Shaw. Free/reduced-lunch data are blank for all three schools, and Elmwood Street has no MCAS or rank data, which limits deeper comparisons.
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