Business school, I-485, and Greencard

[lbern]

I was recently accepted to a US business school, have decided to attend in the fall, and would like to know how this will impact my immigration case. If anyone could shed any light, I would very much appreciate it. Here's my situation: Currently, I am working in the US. I am on H-1B visa and in the I-485 stage (Receipt Date, February 16, 2002) of my employment-based GC. INS estimates that I should receive my GC in the late summer. Also, I have an EAD card.

Issue 1: I-485 is approved before I start business school.
-If this is the case, then I should have no immigration issues with attending business school. Is this correct?

Issue 2: I-485 is not approved before I start business school.
-If this is the case, then can I still go to school on my pending I-485 (AOS) and EAD card? If I choose to do this, are there any risks involved? The thing I’m afraid of (after reading through scores of immigration message boards) is that if I get an RFE while in business school, this might be a problem. Anyone have ideas?

Issue 3: I am getting married this summer to a US citizen and am considering filing a marriage-based I-485.
- If I file this marriage-based I-485, can it legally co-exist with my existing employment-based I-485?
- If it can coexist, then can I attend business school on this marriage-based I-485 instead of my employment-based I-485?

Thank you very much,

lbern.