„Hong Kong SAR had the greatest percentage (82 %) of students reaching the High International Benchmark in mathematics, and mathematics was a considerable strength.“
IEA (Hrsg.), „TIMSS and PIRLS 2011: Relationships among reading, mathematics, and science achievement at the fourth grade“ (2013), S. 20
Von Österreichs 10-Jährigen erreichten in Mathematik nur 26 % den „High International Benchmark“ (= 550 Punkte).