The study summarized in this research to practice brief, "Creating data-driven instructional systems in school: The new instructional leadership," Halverson, R., Grigg, J., Pritchett, R., & Thomas, C. (2015), "Journal of School Leadership," 25. 447-481, investigated whether student outcome improvements were linked to the formal and informal systematic use of data. Four schools (K-6, K-5, K-8, and 7-8) with a total of 1,850 students, located in rural, urban, and suburban settings, participated. From their findings researchers developed a description of a Data Driven Instructional Decision System framework with six functions.