This national webinar hosted by the National Center for Systemic Improvement, the Early Childhood Technical Assistance Center, and the Center for the Individuals with Disabilities Education Act (IDEA) Early Childhood Data Systems, for state Part B and Part C staff focused on strategies for assessing the impact of State Systemic Improvement Plan (SSIP) infrastructure improvements. Representatives from two state departments of education and two state Part C programs participated in a "virtual state panel" and shared their experiences with implementing infrastructure changes as well as their approaches to assessing the impact of those changes on their SSIP improvement plan strategies and ultimately, their State-Identified Measurable Result (SIMR).