When Should I Start Revising?

There's an interesting argument about whether to do an essay plan in an exam.  A lot depends on the individual, on time management, on the nature of the question.  There are alternatives to separate plans which we can discuss in a tutoring session.  However, one really important thing for A Level students to remember: if you do write an essay plan in your exam, write it in your answer booklet and do not cross it out. In exams where there are separate question and answer booklets, I've lost