Continuation of Useful Resources to States Act or the COURTS Act This bill reauthorizes through FY2028, and otherwise makes changes to, the Promoting Safe and Stable Families Program, which provides funding to states, territories, and tribes for child and family services. Among other changes, recipients of certain grants to improve child welfare proceedings in court systems must use a minimum percentage of funds on data collection and data sharing activities between the court systems and child welfare agencies. In addition, the bill provides funding for the Temporary Assistance for Needy Families (TANF) Contingency Fund through FY2021.