The Early Childhood Technical Assistance (ECTA) Center and the Center for IDEA Early Childhood Data Systems (DaSy) collaborated to help state early intervention programs improve the quality and representativeness of their family data and use the data to advance equity. Stories from two states highlight the support that ECTA and/or DaSy can provide to Part C and Part B 619 programs seeking to improve their system, service implementation, and child and family outcomes.