Summary:
Zip code 67361 has one high school, Sedan High, which serves grades 6–12 and enrolls 182 students in the Chautauqua County Community district. Because it is the only school listed, the data cannot show which area school leads or trails another. The most important finding is that Sedan’s latest all-grades results were below Kansas in English language arts, math, and science, with the largest gap in math: 11 percentage points.
Within Sedan, seventh-grade math was the strongest result against the state: 40% of students were proficient, 2 percentage points above Kansas. Sixth-grade ELA was also higher, at 46% versus 42% (4 points above), as was seventh-grade ELA, at 45% versus 44% (1 point above). Eighth-grade math was the clearest concern: 17% were proficient, 23 points below the state’s 40%; eighth-grade ELA was 12 points below. Science varied by grade, too: eleventh grade was 2 points above the state, while eighth grade was 9 points below. Graduation and dropout figures were favorable: the 96% graduation rate was 7 points above Kansas, and the 0.6% dropout rate was lower than the state’s 1.2%. Chronic absenteeism was higher, at 20% versus 18% statewide.
Results improved from 2024–25 to 2025–26: Sedan gained 8 percentage points in ELA, 2 in math, and 10 in science, narrowing its average gap with Kansas from 15 points to 9. Math remains the largest current gap, and its state-relative position changed little. SchoolDigger’s statewide ranking rose from 282 of 318 schools (11th percentile) in 2023–24 to 204 of 340 (40th percentile) in 2025–26; its rating increased from one star to two. The school’s student-teacher ratio is 8.5, and its reported free/reduced-lunch rate is 64%—useful context, but not evidence of what explains results.
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