The Scientific Use File includes newly added wave 6 survey data with information from the parent interviews (CATI, 2015), information from the paper-based survey and competency measurement of grade 9 students in general schools (PAPI, 2015), and information from the paper-based survey of individually tracked grade 9 students (PAPI, 2015). Additional materials and the release notes can be found on our website in the "Data and Documentation" section.