Five states with different integration approaches were identified. Several categories of diverse, key informants were targeted for separate interviews in each state: the state QRIS lead, the Head Start Collaboration lead (or designee) or Head Start Association lead, and a Head Start provider with experience in Head Start-QRIS integration. The brief discusses how integration of Head Start and QRIS has occurred, some of the essential elements for Head Start-QRIS integration, and how shared dimensions of Head Start and QRIS are impacted. The brief explores why Head Start and QRIS integration is meaningful, some emerging issues related to integration, and the role of Head Start-QRIS integration in addressing equity. Detailed case studies for the states that participated in the interview process are included in the appendices of this report as an additional tool to support stakeholders in considering how to apply these strategies in their own context. (author abstract)