Not sure what you found on racing schools, but here are a few to peak your interest.

http://www.finishlineracing.com/

http://www.buckbaker.com/

http://www.drivetech.com/

http://www.skipbarber.com/

http://www.espnrussellracing.com/

I found these searching for "Racing School" at Google, there were a bunch more too.

Stand on it, and turn left!

Pat