There should be universal and compulsory – non-military, but uniformed, ranked and barracked – National Service between secondary education and tertiary education or training.
Social mixing. Good works. Discipline. And no one going to university without having lived just that little bit, making them immune to Marxism, or anarcho-capitalism, or the marriage of the two in New Labour and the rest of neoconservatism, or any other such rubbish.