This should be your #1 priority if you want to get into breeding. Pick one breed and get a show quality kitten (spayed/neutered) of a breeder that will mentor you, and show it for at least minimum for a year. You will learn a lot from other breeders, and what to look for in a breeding cat. You will be in a much better position to be able to evaluate a cat according to its show standard, and your future kittens. This apprenticeship is the best way to educate yourself. As a former breeder with 18 yrs. experience, I can't emphasize this enough. Remember, breeding cats is an expensive hobby and not a money-maker. Good luck!
:2kitties