You got a lot to learn.
1. Read Anything that has to do with Real Estate, get as much knowledge of the field as you can. Read the posts on this site, that'll teach you alot.
2. A Sales Agent is the first stop on the ladder of selling Real Estate. Broker is the 2nd stop. Even if you could become a broker first (Which, chances are you can't) you wouldn't want to. You really need to learn being a agent first. Here's a very small breakdown of each:
Agent: Finds leads, shows houses, takes listings.
Brokers: Trains new agents, oversees agents, collects rents for propery owners.
3. Sorry, cannot help you there.
The place you will want to start is with your state board of
Real Estate .
Also, some books to give you a better understanding of the field will help:
Your Successful Real Estate Career I have not read this one, but it might be a good read:
Idiots Guide To Success As A Real Estate Agent And last thing, there are lots of book posts on here of things to read, search for those. That'll help you too.