It's possible that one of the reasons why the film wasn't nominated for a best-documentary Oscar was because it was too horrifying.

In the end, this is scattergun film-making, well-intentioned but sloppy, sometimes deliberately evasive. If this documentary were an exam essay, I'd fail it.

A hectoring, simplistic affair that has nothing of value to contribute to the British debate.

The people we trust with our children’s education have no intention of doing anything different. Unionized teachers work within a system where merit and achievement are marginalized, and the loss of employment because of poor performance is impossible.