{"id":"worldbank.timss-fourth-grade-students-reaching-the-intermediate-international.pol.annual","dataset_id":"worldbank-timss-fourth-grade-students-reaching-the-intermediate-international","indicator":"timss-fourth-grade-students-reaching-the-intermediate-international","geography":"POL","frequency":"annual","unit":"percent","start_period":"2011","end_period":"2019","org":"World Bank","original_indicator":"LO.TIMSS.MAT4.INT","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Poland","region":"Europe & Central Asia","observations":[{"period":"2011","value":55.6451242086997,"flags":""},{"period":"2015","value":80.0,"flags":""},{"period":"2019","value":73.0,"flags":""}],"indicator_name":"TIMSS: Fourth grade students reaching the intermediate international benchmark of mathematics achievement","topic":"Education","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"LO.TIMSS.MAT4.INT","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}