The growing pace of innovation, technological and demographic change presents opportunities and challenges for businesses, economies and governments worldwide. It is not the world's mining and energy resources but rather its intellectual capital that has become the most valued commodity of the 21st century.  How best can education prepare students for successful participation in a global marketplace? How can learning and assessment maximise an individual’s opportunities in an increasingly interconnected world?  As leaders in educational assessment, Cambridge Assessment will be hosting a debate about the meaning, application and impact of an international education.