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Schools · Iowa

Schools in Iowa

Schools (NCES Common Core of Data) data for ZIP codes in Iowa. Pick a ZIP below to dive into the schools summary.

Last verified 2026-05-13 · methodology

What lands here

Pages show the assigned public school district, per-school enrollment, student-teacher ratio, and a link to GreatSchools for ratings.

Source & refresh

NCES Common Core of Data. Refreshed annual (nces releases with one-year lag). Primary source →

Iowa top concern

Radon Zone 1, agricultural water nitrates

Iowa is one of the highest-radon states in the US — uniformly Zone 1. Agricultural runoff drives EPA SDWIS nitrate violations in small rural systems and even Des Moines Water Works. Tornadoes peak April-June.

See Iowa state page for the full state-level rollup across all 12 dimensions.

Read more on schools

Editorial deep-dives explaining the source data, its limits, and how to read it.

3 Iowa ZIPs