I want to know what the absolute best and most practical self defense martial arts out htere is. dont give me there is no one good style either because I know there is. I am talking about mostly foot work since im not going to be grappling at a school fight. I was thinking kenpo would be a good one for self defense but I would like some other opionons.

I currently do tkd which is pretty crappy for self defense since im not going to kick in a school fight...
yeah well anyways any advice/stories you can share with me would be much apreciated.

Thanks