State of the States – 2021

Data tables from the survey are also available: 2021 DaSy Data Systems (State of the States) Survey Findings!

See a summary of the survey results: Status of IDEA Early Childhood Data Systems.

A high-quality statewide data system provides the information needed to address important questions about early intervention and early childhood special education. Our maps display the national status of features of high quality IDEA early childhood data systems for Part C and Part B. Browse national results below, and select a state to view individual results.

States & Territories


The 2021 survey data includes states that submitted and provided permission to publish the data. Grey indicates that the full 2021 data are not included but prior years’ data may be available.