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High School Districts

Published by Lake County Illinois GIS | Lake County, Illinois | Catalog Last Checked: May 14, 2026 at 07:22 AM | Dataset Last Updated: May 10, 2026 at 11:15 AM
Download In State Plane Projection Here. School district boundaries are based on legal documents filed in the office of the Recorder of Deeds and on court orders. Mapping is based on the legal descriptions from those documents, which relate to existing parcel, municipal, township and PLSS features. Attributes include the district name, address and district number. Update Frequency: This dataset is updated on a weekly basis.

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