SocietyThe alteration of the PISA sample in Catalonia far exceeds that of any country in the latest reportDiana Silva26-07-2026
SocietyFrancesc Pedró: "I have worked for ten years at the OECD and what has happened with PISA in Catalonia is unprecedented"Diana Silva25-07-2026
SocietyUpside down in the PISA tests: an error by Catalonia will make it impossible to compare results with other years and territoriesDiana Silva25-07-2026
SocietyThe OECD's recipe for the Catalan school: teaching incentives, power for principals and a "coherent" evaluationDiana Silva06-07-2026
SocietyThe problem with early childhood reading: "The goals are below those of other systems."Diana Silva17-09-2025
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