Although I was (as I said below) nervous about making a school visit, the day I spent at Trevithick Primary School turned out to be extremely memorable. I had two small children with me, my daughter and my friend's two-year-old son who I look after once a week as part of a barter-style swap we do. They went to the school nursery, while I dashed to the staff room, downed a quick coffee, and was practically pushed into a room full of year 6 children, sitting on the carpet, looking up at me...