Character classes: can you teach a six-year-old how to be good?

First the emphasis was on grades - now it's all about character, with classes on empathy and respect. But can schools teach children how to be better people?

Trouble comes to the educational psychologist in the shape of a lorry driven by a blue troll armed with a golden cutlass. The lorry's owner is four-year-old Lucas. He's made it out of oversized Lego bricks. It has wheels and is articulated. But it also has wings and a tailfin. Come to think of it, it might actually be some sort of plane.

"Laura?" he says, to the psychologist, Dr Laura Warren. "Alfie said this was rubbish."