Simon Boothroyd lost both of his parents and has been looked after by his foster parents for the past three years.
He said his family have been really supportive, but in the run up to his exams, he has had a tougher time than most:
More top news
Our experts take a look at the key issues that would face Scotland and the rest of the UK if Scots vote for independence.
A look ahead at the forecast for the Border region.
Thousands of people cross the border to visit their doctor. Patients on both sides are worried about the possible effects of a “yes” vote.