State of the States: Same Unique Child ID in Part C and Part B 619

Use of the same unique identifier across Part C and Part B 619 data systems facilitates the ability to link data between these two programs.

State data systems that contain data about children receiving Part C early intervention and Part B 619 preschool special education services use the same unique child identifiers.
Green Yes for Part C and Part B 619 (20%)
Blue Yes for Part C, No for Part B 619 (0%)
Orange No for Part C, Yes for Part B 619 (2%)
Red No for Part C and Part B 619 (49%)
Gray Data not available for at least one program (30%)

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.