New Significant Disproportionality Calculator and User's Guide

The Significant Disproportionality Calculator is a spreadsheet application created by the IDEA Data Center (IDC) to help states and analyze their data, make determinations of significant disproportionality, and support local education agencies (LEAs) in their analysis of data for significant disproportionality at the school-level. The accompanying user’s guide describes each sheet within the calculator, formatting requirements, and instructions for using the calculator

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