• Business Rules for Calculation of LEA Disproportionate Representation in Special Education & Related Services for All Disabilities and for Specific Categories of Disabilities by Race/Ethnicity (July 2008) 

• Data Verification Process and Form for Disproportionate Representation (July 2008)

Data Verification Process | Data Verification Form

• Methodology for Determining District Disproportionate Representation 

• Methods for Assessing Racial/Ethnic Disproportionality in Special Education: A Technical Assistance Guide 

• District Disproportionality Data Reports - Frequently Asked Questions 

• Special Education Fact Sheets on Indicators 9 & 10 - Disproportionate Representation

Indicator 9 | Indicator 10

• Making Sense of Data-Driven Decision Making in Education