Inside the £42k-a-year Olympic factory that gave us Tom Daley

Plymouth College, with its crenellated limestone walls and gothic mullioned windows, is elegant but unassuming – at least when compared with the far grander Millfield School, in Somerset, or Whitgift School, on the outskirts of London. And, on paper, its overall offer to pupils is equally proportioned: very good but not the best in show.