To facilitate decision making at Iredell-Statesville Schools (ISS), a US public school system and winner of the 2008 Malcolm Baldrige National Quality Award, data were collected at district, school, department, and classroom level, and included student achievement, financial, market, human resource, compliance, and operational data. Student achievement data were gathered using formative and summative assessments. State assessment results were captured using optical scanners and uploaded into a s...