Korson Jussi in Vantaa defender! wrote that the reason for the decline in PISA results was not known and that the discussions on the topic were immediately rejected. According to him, national level tests or language proficiency requirements could not be implemented, and he urged continuing to investigate the reasons. https://t.co/wSYbMvKfTm #Pisa #koulutus #kielitaito (translated)