How can I ID myself at my biometrics appointment?

Your school ID is fine. I tell clients to also take a copy of their school record and their birth certificate, if possible. It is always better to...

I'm applying for the deferred action. if i already have a job will i be denied an employment authorization?

No. Nearly every client that I have helped with deferred action has had a job, and this did not affect their case.

CR1 or K3?

Apply for adjustment of status. See forms I-130, I-485, I-864, I-765 on the USCIS website. It sounds like you have never entered the US illegally...

I would put "none". You could put "none - EWI" which means that you have no status and that you entered without inspection. Entering without...