School leaver data is sourced from Ministry of Education data in the IDI. Foreign fee-paying students and exchange students have been excluded. The first ITO that a school leaver enrols with after leaving is used for classification. Both school leaver and ITO data are for the years 2009 to 2016 inclusive.
Access to the anonymised data used in this study was provided by Statistics New Zealand in accordance with security and confidentiality provisions of the Statistics Act 1975, and secrecy provisions of the Tax Administration Act 1994. The findings are not Official Statistics. The results in this paper are the work of the authors, not Statistics NZ, and have been confidentialised to protect individuals, households, businesses, and other organisations from identification. Read our full disclaimer here.