Schema Document LEA NCLB SCHOOL YEAR START STATUS xml layout file. Author: Hector Tello - AEM Corporation Version: 4.0 Created: October 2007 Includes: pbdmi-file-xmit-4.xsd An indication of the improvement stage of the district. Codes: IMPR – Improvement CORRACT – Corrective Action (Any Year) NOTIDENT – Not Identified for School Improvement NA – Not Applicable MISSING