Summary
Center School is a PK–5 elementary school serving 485 students in Stow, MA, part of the Nashoba district. It currently ranks 220th of 899 Massachusetts elementary schools (76th percentile, 4 stars) — a solid, above-average school that has cooled from its near-top-tier standing a few years ago. It ranked 57th of 932 in 2021–2022 (94th percentile, 5 stars), slipped to 235th by 2024–2025, then rebounded slightly this year. The Nashoba district ranks 69th of 351 statewide.
On 2025–2026 MCAS, Center's all-grade proficiency was 54.94% in ELA, 58.87% in Math, and 50.68% in Science — all well above the state's 40.03%, 41.11%, and 40.98%. The school is essentially at district level in ELA and Math but roughly 8 percentage points below the district in Science, its clearest weakness, down from 69.32% in 2023–2024. Among nearby schools, Center trails Paul P Gates Elementary School, Luther Conant School, and Blanchard Memorial School, but leads McCarthy-Towne School and Merriam School, is close to C.T. Douglas Elementary School, and is well ahead of Forest Avenue Elementary, Mulready Elementary, and C A Farley. Grades 3 and 4 are strengths (4th-grade Math 67.44% vs. district 61.24%), while 5th grade falls below district averages in ELA, Math, and Science.
Subgroup results are a notable strength: Special Education students rank 86th of 709 (88th percentile) and Low Socio Economic Status students 101st of 742 (86th percentile), both above the school's overall 76th percentile. Center is the largest school in its comparison group at 485 students; per-student spending was $19,183 in 2020–2021, higher than the nearby Acton-Boxborough schools, and the student-teacher ratio rose to 12.6 in 2024–2025 from 11.5 in 2022–2023. Note that free/reduced lunch data were unavailable, spending figures end in 2020–2021, and nearby schools serve different grade spans, so comparisons are not perfectly equivalent.
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