I second all of the above. Don't forget you are supposed to be ENJOYING this, so there's no point putting yourself through the wringer unnecessarily - and especially if you are paying them £100 an hour!
I had a bad experience with one school when I was learning and felt I needed to change - best decision I ever made. You'll find actually that people do tend to move around in the aviation world for a variety of reasons. Sometimes it can be as simple as wanting a change of scene, or type. Nobody gets too worked up.
You might find that the extra travelling to the new school isn't actually that much when you've done it a few times. More time to review your in-cockpit checks...
