Tom Bennett nails the false hopes of so many senior managers:

But with some students, who persist in their self-destruction, there has to come a point at which a school says, ‘OK, we’ve tried. Cheerio.’ People who howl at this as some symptom of faithlessness are invited to consider this: do you realise what the cost to the other students is, by allowing such people to remain? I’ll tell you for free: it means that the other kids learn half as much. I promise you this. You can have one or the other. Take your cat calendar aphorisms and your rainbows and ponies about every child being a bundle of dreams and fairy wishes, and stick them up your arse. We teachers have no time for your fantasies. The children have no time for your fantasies.