QRIS define both structures and processes to assign quality ratings to programs. The specific requirements States have put in place to guide the rating process often depend on the structure of the system, whether it is based on points, levels, or both, and the individual steps programs must take prior to receiving ratings. This fact sheet provides a summary of the types of QRIS rating structures being used and summarizes the common features of the rating process for the 41 QRIS in the United States. (author abstract)