Summary:
Dedham, Massachusetts has five elementary schools: four — Avery, Greenlodge, Oakdale, and Riverdale — serve grades 1 through 5, while the Early Childhood Center serves prekindergarten and kindergarten; together they enroll 1,394 students. The Dedham district is ranked 148 out of 351 in Massachusetts, placing it at the 58th percentile with 3 stars, above the state average in English language arts and math but below it in science.
Performance varies widely from school to school. Greenlodge is the strongest overall, ranking 174 out of 899 (81st percentile, 4 stars) with the highest math proficiency in the group at 65.19%. Oakdale is close behind at 195 out of 899 (78th percentile, 4 stars) and is the most improved, rising from the 62nd to the 78th percentile with gains of 9.29 points in ELA and 14.04 points in math. Riverdale sits in the middle at 378 out of 899 (58th percentile, 3 stars), up from the 47th percentile, though its grade 3 scores (66.67% ELA, 63.89% math) far outpace grade 4 (36.59% ELA, 31.71% math). Avery is the lowest performer at 650 out of 899 (28th percentile, 1 star) and falls below both district and state averages in every subject and grade level. The Early Childhood Center has no test or rank data because it serves PK–K.
Science is a shared concern: proficiency declined at all four tested schools, and the district fell from 40.68% to 34.34% while the state barely moved, pointing to a local trend. Spending and class size do not track simply with results — Oakdale spends the least ($21,736) yet ranks near the top, while Avery spends $24,145 with the lowest outcomes. Free/reduced-lunch data is not reported for any school, limiting comparisons of economic need.
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