Crab, that's not the only story about That School.
We had used a pilot for a couple of charters, and he seemed to be quite competent and a nice guy. Knowing that he had done his instructor rating at That School, I asked him if he would like to do some instructing for us, and he recoiled, saying:
"I don't really have an instructor rating - it is only a "That School" rating. Instead of doing all the theory and 40 hours of dual, I paid them for all the course, I flew half of it, and they signed me up. I really don't know how to instruct and I wouldn't like to try."