<page_title> Programme for International Student Assessment (2000 to 2012) </page_title> <table> <cell> Reading <col_header> Focus </col_header> </cell> <cell> 28 <col_header> OECD countries </col_header> </cell> <cell> 4 + 11 <col_header> Partner countries </col_header> </cell> <cell> 265,000 <col_header> Participating students </col_header> </cell> </table>
In Programme for International Student Assessment (2000 to 2012), 265,000 15 year-olds from 28 OECD countries were participating in assessment in reading.