How does your country rank in reading, math and science?
The issue for PISA 2012 are in . PISA is an international survey done every three long time to assess the competencies of 15 - year - old from 65 countries in key dependent areas . Here ’s what they encounter . The survey , called theProgramme for International Assessment ( PISA ) , is organized by theOrganization for Economic Cooperation and Development ( OECD ) . Some 510,000 students between the eld of 15 twelvemonth 3 calendar month and 16 years 2 months took part ....