You can open a safety box in bank,then put your cash inside it. Don't care the interest so much, that is no means if you plan to study in university or college.
please pay attention to the currency value!!! RMB will go stong in a few years and who knows what's the supporting base for CND?
look at the big picture!
I agree with wang8 this time. China has become a star even she hasn't been into WTO. So many developed countries pay more attention to Chinese market the she will play the most active role in the near future.