Summary:
ZIP code 73534 includes seven schools in Duncan, Oklahoma: five elementary schools, one middle school and one high school, serving students from elementary through high school. In 2025–2026, their average results were 24% in English language arts (ELA), 25% in math and 30% in science, compared with state results of 26%, 25% and 30%. The clearest finding for families is the sharp difference between elementary schools: in fifth grade, Plato Elementary outscored Woodrow Wilson Elementary by 32 points in ELA, 28 in math and 31 in science.
Plato is the strongest all-around schoolwide performer: it led in ELA at 35% and math at 40%, and tied Emerson Elementary for the science lead at 44%. Those science results were 14 points above the state result. Woodrow Wilson was lowest in all three subjects, with 10% in ELA, 18% in math and 13% in science—16, 7 and 17 points below state results, respectively. Duncan Middle School also stood out in math and science, scoring 31% and 34%, above state results in both. Duncan High School had the group’s second-highest ELA result, 34%, but scored 14% in math.
Results changed unevenly from 2024–2025 to 2025–2026: the seven-school ELA average stayed at 24%, while math fell by 2 points and science by 4 points. Science declined at four schools, including Horace Mann Elementary, down 12 points; Emerson and Plato remained science leaders despite declines of 10 and 7 points. SchoolDigger ranks Plato and Duncan Middle in the 72nd statewide percentile, while Mark Twain Elementary is in the 7th and Woodrow Wilson in the 15th. For school year 2024–2025, free/reduced lunch eligible shares ranged from 43% at Plato to 94% at Woodrow Wilson; these figures provide context, not an explanation for results.
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