KDE is seeking services from a vendor with extensive expertise and experience in the design, development, and implementation of state-levelhigh stakes assessment and accountability systems. Companies and or subcontractors that are currently under contract with KDE to design anddeliver the K-PREP testing system and ACT, Inc. tests will not be considered for this RFP.By statute, KRS 158.6453-17, KDE is required to conduct validation studies that shall include, but not be limited to, the consistency of studentresults across multiple measures, the congruence of school scores with documented improvements in instructional practice and the schoollearning environment, and the potential for all scores to yield fair, consistent, and accurate student performance level and school accountabilitydecisions. Validation activities shall take place in a timely manner and shall include a review of the accuracy of scores assigned to students andschools, as well as of the testing materials.In addition to the statutory responsibilities noted in the previous section, KRS 158.6455 and KRS 158.6458 charges the KBE with maintaining avigorous ongoing program of research and documentation of the effects of the assessment and accountability system on Kentucky schools andreviewing school accountability classifications to assure their construct validity in all cases where they are applied