North American (i.e. Canada, Mexico, and United States) student results of the 2009 Programme of International Student Assessment.
Source:R/multilevelPSA-package.R
pisana.RdStudent results from the 2009 Programme of International Student Assessment (PISA) as provided by the Organization for Economic Co-operation and Development (OECD). See [https://www.oecd.org/en/about/programmes/pisa.html/](https://www.oecd.org/en/about/programmes/pisa.html/) for more information including the code book.