In talking to Admissions Representatives across the country, there is one aspect of a personal statement they all agree on _ BE YOURSELF and let them get a feel for the type of person you really are. This includes your motivations and the ability to evaluate your personal experiences and the effect they had on you. If you can understand that 8 out of 10 personal statements fail to do this, then you are well on your way to being 1 of the 2 applicants in every 10 that stands out.
3 _ Demonstrate ambition _ What is your end goal? Do you want to become a solicitor or a barrister? Do you want to study law as an academic? Or do you want to go into law for the great skills it teaches you? Law schools will want to to know where your end goal lies. If you have your heart set on becoming a solicitor, and this passion comes across in your personal statement, it shows a great drive to succeed. And that's obviously something which will be beneficial during your degree.