Summary:
Duke, Oklahoma, has two public schools serving 152 students across PK–12: Duke Elementary School serves PK–8, and Duke High School serves grades 9–12. The clearest overall finding is that results vary by school and subject: in 2025–26, Elementary was below state proficiency results in both reported subjects, while High School was above the state in English Language Arts I and U.S. History but below it in mathematics and science.
Duke High School stands out for strong graduation and history results, while mathematics is a challenge at both schools. High School’s 2024–25 graduation rate was 94%, compared with 78% statewide—a 16-point advantage. In 2025–26, its U.S. History proficiency was 50%, 9 points above the state’s 41%; its ELA I result was 29%, 3 points above the state. But High School was 12 points below the state in both mathematics (13% versus 25%) and science (18% versus 30%). Duke Elementary School was 4 points below the state in ELA I (22% versus 26%) and 9 points below in mathematics (16% versus 25%). Attendance is a positive for both: chronic absenteeism was 6% at Elementary and 5% at High School, compared with 16% statewide.
Recent changes differ by school: Elementary’s ELA I result fell 10 points, from 32% to 22%, and mathematics fell 3 points, from 19% to 16%. High School’s ELA I declined 3 points, while mathematics rose 1 point and science rose 6; history slipped 2 points. SchoolDigger’s statewide percentile for High School rose from 22 in 2023–24 to 58 in 2025–26, even as its subject results moved in different directions. As context, 2024–25 free/reduced lunch eligible figures were 60% at Elementary and 44% at High School; student–teacher ratios were 10.2 and 11.9, respectively. These are observations, not explanations for achievement, and the schools’ different grade spans mean their all-grades results are not a like-grade comparison.
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