At least 29 students in Hong Kong have achieved top marks in the International Baccalaureate (IB) programme, even after a global outcry from test-takers over concerns that the mathematics subject was too difficult. More than 2,600 Hong Kong students sat this year’s IB exam on May 15, 16 and 21, showing a nearly 20 per cent increase from 2021, with the results released this Sunday. The IB exam assesses students’ knowledge of several key academic subjects and plays a key role in their university...