{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"academic-performance","source":"OECD (2023) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/academic-performance","title":"Average performance of 15-year-old students in mathematics","unit":"score"},"observations":[{"date":"2003-01-01","value":490.239},{"date":"2006-01-01","value":495.428},{"date":"2009-01-01","value":494.803},{"date":"2012-01-01","value":517.501},{"date":"2015-01-01","value":504.469},{"date":"2018-01-01","value":515.648},{"date":"2022-01-01","value":488.96}],"summary":{"latest_period":"2022-01-01","latest_value":488.96,"max":517.501,"mean":501.007,"min":488.96,"of":57,"rank":15,"trend":"flat"}}