Britain’s Strictest Headmistress

ITV, 10.15pm

It's often claimed that youngsters these days aren't as well mannered as previous generations. Katharine Birbalsingh, head of the Michaela Community School in Wembley, seems to be on a personal mission to change that. She has introduced strict measures – including detention for forgetting a second pencil – and here, Jeremy Paxman finds out if they're working. ★★★★★