Is classical music 'dying out' in schools?

There has been much huffing, puffing and hand-wringing of late across social media – some of which was picked up and amplified by some broadsheet newspapers – suggesting that classical music is ‘dying out’ in schools. This opinion is most often broadcast by people who are not teachers or engaged in regular education work themselves; it is expressed by those who, when challenged, will cite one example of a parent that they know who believes that the particular school that their children attend offers no classical music, or even ‘no music at all’. (Something which I like to call the ‘my sister’s-husband’s-cousin’s-girlfriend’s-dog’ justification, mainly because if I didn’t laugh, the unsubstantiated claims of strangers on the internet would drive me mad!)