After prep school in Sussex, he went to Charterhouse school in Surrey. He read philosophy, politics and economics at Christ Church, Oxford, where he led the college’s student body, edited the student magazine Isis and was a member of the infamous all-male dining and drinking society, the Bullingdon Club. He graduated with a third-class honours degree.
https://www.theguardian.com/media/2018/dec/22/david-dimbleby-rebuffs-sneering-john-humphrys-in-interview
How posh is posh?
After prep school in Sussex, he went to Charterhouse school in Surrey. He read philosophy, politics and economics at Christ Church, Oxford, where he led the college’s student body, edited the student magazine Isis and was a member of the infamous all-male dining and drinking society, the Bullingdon Club. He graduated with a third-class honours degree.