I think that you ran out of space when you got to the skills, activities and interests section. It is not easy to read because everything is crammed in, and it needs to be. Keep your formatting consistent. In the education section your first three bullet points aren't indented but the rest are. There is too much bold font in that section too. Get rid of GCSEs. Others may disagree, but you should have your a level grades. This can be done easily in one bullet point: "maths (grade), history (grade) and biology (grade).