Claim: The Hauptschule earned 578 PISA points (Programme for International Student Assessment) for "very low" social class and 581 for "low" social class; this is to provide comparable data to enable countries to improve their education policies and outcomes.
Evidence: Germany: Gymnasium, Gesamtschule, Realschule, Hauptschule, Fachoberschule Its aim is to provide comparable data with a view to enabling countries to improve their education policies and outcomes. It measures problem solving and cognition. The Programme for International Student Assessment (PISA) is a worldwide study by the Organisation for Economic Co-operation and Development (OECD) in member and non-member nations intended to evaluate educational systems by measuring 15-year-old school pupils' scholastic performance on mathematics, science, and reading.