Tydligen inte endast Sverige som tappar i Pisa-mätningar. Är en genomgående trend för i stort sett samtliga OECD-länder.
One of my pet peeves is looking for country level explanations for global trends. I am no expert but I don't think Norway doing X in 2022 or France changing policy Y in 2019 can explain these global declines across a diverse set of countries.