Summary:
Zip code 66023 has two schools serving prekindergarten through grade 12: Atchison County Community Elementary School (PK–6) and Atchison County Community Junior/Senior High (grades 7–12), with enrollments of 244 and 254. The elementary’s 2025–2026 all-grades proficiency was 49% in ELA, 42% in math and 51% in science; the state rates were 46%, 41% and 38%. The high school recorded 39%, 26% and 32%, respectively. Because the schools serve different grade spans, their all-grades results are not matched-grade comparisons. The clearest area-wide finding is that the elementary was above the state in all three subjects, while the high school was below it in all three.
The elementary stands out overall, leading the high school by 10 percentage points in ELA, 17 in math and 19 in science. Grade-level results add important nuance: elementary math was 21 points above the state in grade 3 and 8 points above in grade 4, but 14 points below in grade 5 and 13 below in grade 6. At the high school, grade 10 math was 8 points above the state, while grades 7 and 8 were 23 and 20 points below. High-school science also varied, from 10 points below state results in grade 8 to 5 points above in grade 11.
Recent test-score changes were mixed rather than consistently upward: elementary math rose 11 points from 2024–2025, while high-school math fell 11 points; science fell 10 points at the elementary and 28 at the high school. SchoolDigger’s reported ranking percentiles tell a different, longer-term story: the high school rose from the 18th percentile in 2023–2024 to the 51st in 2025–2026, while the elementary went from the 63rd to the 50th, despite a 7-point rise in the latest year. Context measures also differ: student–teacher ratios were 11.5 at the elementary and 9.6 at the high school, and free/reduced-lunch rates were 48% and 42%. Chronic absenteeism was 10% at the elementary versus 26% at the high school, compared with 18% statewide.
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