A-level English Literature courseworkWatch
If it is on as a GCSE text for your exam board, then you can't do it. If it isn't on the GCSE syllabus, then you're free to do it.
However, you could get marked down for choosing an 'unchallenging' text as it's known as GCSE. If your analysis is perceptive and spot-on then you should be fine, but I wouldn't risk it.