For your written answers: write a checklist of marking points that the examiners want to see to make sure you hit all of them in your answers
2. Build your confidence in performing by exploring different roles as you'll often learn more about yourself and what you as an actor like to play
3. Really familiarise yourself with the plays on the syllabus and the teaching points from them
Pearson Edexcel website - the specification, mark schemes and practice papers are very useful in seeing what you need to include in your written answers to guarantee top marks
School theatre visits - really make use of the school trips to theatre productions of plays and be analytical of all components: the acting, the atmosphere, the design, the staging, etc. This will prompt you to be just as analytical in your written paper.