It's been three years since I left school. It's probably also been the toughest three years of my life. Some of you probably have already left school years back so will be able to relate to this post in some way or another. Others might have only just now left or within the next year or so be leaving, having no idea what life is like outside of the school bubble and unaware of how much really does change once you're out in the big wide word. Here are 10 things I wish I knew when I left school.