Summary:
Zip code 66427 has two schools in Frankfort, Kansas, serving 302 students from prekindergarten through grade 12: Frankfort Elementary (PK–6) and Frankfort High (grades 7–12), both in the Vermillion district. In 2025–26, both schools’ all-grade results were above state proficiency levels in English, math, and science. Their strongest area-wide results were in English and math; science was the thinnest advantage, with the two-school average 5 points above the state, compared with 14 points in English and 17 in math.
Frankfort Elementary had the higher all-grade results in all three subjects: 64% in English, 59% in math, and 46% in science, versus 57%, 57%, and 41% at Frankfort High. Both were above state results: Elementary by 18 points in English, 18 in math, and 8 in science; High by 11, 16, and 3 points. High’s standout was grade 7 English, 42 points above the state, while Elementary’s was grade 6 math, 37 points above. High also reported a 100% graduation rate, compared with 90% statewide. Because the schools serve different grade spans and have no tested grade in common in the supplied results, their overall figures do not support a fair grade-matched ranking.
Recent test-score trends diverged: Elementary fell by 8 points in English, 9 in math, and 28 in science from 2024–25 to 2025–26, while High rose by 11, 8, and 2 points, respectively. Yet SchoolDigger’s percentile ranking fell at High, from 89 in 2024–25 to 70 in 2025–26; Elementary moved from 86 to 77. Both schools reported lower chronic absenteeism than the state—6% at Elementary and 8% at High, versus 18% statewide. Their reported free/reduced-lunch rates were similar, at 26% and 27%; High’s student-teacher ratio was lower, at 8.3 compared with 13.8 at Elementary.
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