Abstract: The invention provides systems and methods of determining a performance rating of a health care facility, such as a nursing home or a long term care facility. The systems and methods according to the invention employ customizable scores and weighting factors by which performance data and information are processed to generate a performance rating of a facility, including current and historical ratings. The customizable scores and weighting factors are determined by or based upon a preferred set of criteria. In one embodiment, the customizable scores and weighting factors used in the methods and systems according to the invention include scores and factors that are indicative of and account for the relative importance of violations and deficiencies of standards of care to a facility's performance rating.