SIS entrance exam for P4

Dear SIS parents:

My daughter will take the entrance exam next month. She is in P4 now and we'd like to transfer to SIS early next year if she get accepted.

Can you tell me what's the content the entry exam and the interview Is it very hard to get accepted?

We are in beijing now so madarian is not a problem. But English might not be good enough and our math is taught in Chinese.

Could you please share some information about how we should prepare for the exam?

Any advices are highly appreciated!

Thanks.