The executive summary is at
http://www.pisa.oecd.org/dataoecd/34/60/46619703.pdfpage 7 has the results in table form.
I tried to manually extract the top 5 of Reading, Mathematics, Science. May not be accurate. done manually.
65 countries in the table.
ReadingShanghai-China: 556
Korea: 539
Finland: 536
Hong Kong - China: 533
Singapore: 526MathematicsShanghai-China : 600
Singapore: 562Hong Kong-China: 555
Korea: 546
Chinese taipei : 543
ScienceShanghai-China: 575
Finland: 554
Hong Kong-China : 549
Singapore: 542Japan: 539