Education in Britain

1--At what age do children start school in your
   country?
2--At five.
1--Do boys and girls go to school together?
2--Yes, they do.
1--Do you think this is a good idea?
2--Yes, I do.
1--Do some children go on to university?
2--Yes, they do.
1--What examinations do they take first?
2--'O' levels and 'A' levels.
1--How long do they usually stay at university?
2--Three or four years.