Hi Tamsinquirky, everyone's already made great points like going abroad or checking the class statistics page. What programme will you be studying because some programmes have the tendency of attracting more international students although schools like CUHK make an added effort to make classes as diverse as possible. Aside from choosing a particular school, doing things like getting a part-time job, joining groups and societies, volunteering and going on trips will allow you to meet more people, and depending on how you choose they can be from a very diverse background. Good luck with choosing