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João Costa alleges that PISA results decline follows "global trend", but says he doesn't shy away from responsibilitiesPhoto by hbieser on Pexels
Politics
Образование

João Costa alleges that PISA results decline follows "global trend", but says he doesn't shy away from responsibilities

Público8 September 2026 at 18:13

João Costa, former executive director of the OECD and former Secretary of State for Education, responded to criticism about Portugal's decline in Programme for International Student Assessment (PISA) results, stating that it follows a "global trend" of deterioration in educational outcomes in developed countries.

The former education minister acknowledges that decisions made during his time in office may have contributed to the results, but rejects that the PISA results decline is exclusively explained by the implemented curriculum.

João Costa recognizes that he does not shy away from responsibilities regarding the educational policies of his term, although he argues that PISA results reflect complex and multifactorial phenomena that go beyond a single cause.

The article comes in the context of the debate about Portugal's performance in international education assessments, with experts pointing to different explanatory factors for the downward trend observed.

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