“They love them in school uniform, all besuited and trotting along behind a teacher. They are very keen to support “out of the classroom learning” as long as those having the lessons are accompanied by plenty of classroom assistants. Then they’ll boast about how many young people have visited their museum each year, and how much they have learnt. Yet if these same teenagers turned up out of school hours, dressed in hoodies, T-shirts and trainers, they’d get a very different reception.”