COS from B2 to F1 claireub2009-05-07 22:40:35

What documents are needed?
I-539, I-20, what else? Is bank statement needed?
Will they do interview?
I-94 will expired in 2.5 months, do I have enought time?

Thank you for the help.

回复：COS from B2 to F1

Thanks, summarize the list, one more concern