Focus No. 45 - Do countries with high mean performance in PISA maintain their lead as students age?

PISA in Focus No. 45 - Do countries with high mean performance in PISA maintain their lead as students age? - PISA in Focus 2014/11 OECD

Countries where 15-year-old students perform at high standards internationally tend to be the same countries where these young adults tend to perform well at the age of 26 to 28.