I've been thinking about all this for a couple of days before posting....
Over the space of quite a few years, I think I've run into almost all of the things mentioned. It happens. I've got so cynical already that I doubt if it's even unusual. And I've tended to let things lie; maybe I shouldn't, but I have. But few schools, instructors, or individuals, of any type, are perfect.
But to run into them all at the one school!!!!! That, if it's true, is really scary and MUST be reported.
But I don't think the original poster should be attacked the way some of you have. When you're a student, it's hard to know what's really wrong, and what's just....not according to the book, but usual practice in a lot of places. You tend to trust instructors and examiners at the start! You have to; you have your life in their hands. Then, when you get more hours, you start to wonder.... But you're not sure. So you ask your contemporaries, but those with more experience....like those on PPRuNe, for instance.
So what on earth is wrong with asking on here? Have some of you completely forgotten what it's like to be low hours? Do some of you only think there's ever one point of view? Do some of you never ever doubt yourselves, or at least want to check that you may have it right?
But, the bottom line - this school is dangerous and has got to be reported, whatever it takes, even if it means losing a place to fly or a job or whatever you might have to lose. There are other schools, and other places to fly. But each of us only has one life.