Summary:
Merrimac, Massachusetts has two public schools in this data set, both elementary schools in the Pentucket district, together serving 479 students across a clean PK–6 split. Dr Frederick N Sweetsir covers grades PK–2 with 217 students, and Helen R Donaghue School covers grades 3–6 with 262 students, making Donaghue the larger school by 45 students. No middle, high, or alternative schools appear in this city-level list.
Helen R Donaghue School is the only Merrimac school with comparable achievement data, and its rank history improved from 2 stars and the 46th percentile in 2023–2024 to 3 stars in both later years, reaching the 59th percentile in 2024–2025 before easing to the 56th percentile in 2025–2026. In 2025–2026 its all-grade ELA and math scores were above the state average but below the Pentucket district average, while science came in at 37.50 — below both the district's 40.24 and the state's 40.98, and down 7.5 points from the prior year. Grade 6 math stands out as the largest school-versus-district gap: 47.54 versus the district's 59.49, though still above the state's 42.59.
Dr Frederick N Sweetsir has no MCAS or rank data in this file, which is consistent with PK–2 grades not being covered by the grade 3–8 MCAS testing here. Its notable figures are operational: $18,455 per student in 2020–2021, about $1,985 (roughly 12.1%) more than Donaghue, and a student-teacher ratio of 12.4 in 2024–2025 versus Donaghue's 11.2. Free/reduced lunch is blank for both schools in 2024–2025, so it should be treated as unknown rather than as a strength or weakness. Overall, families get one school with improving rank and above-state ELA/math results that trails its district, and one early-grades school that cannot be compared on achievement from this data.
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