They don’t care about grades to be honest. Drama school looks for what you have done outside of school or college. In an interview with RADA, for example, they will ask what plays you have read and who’s work/method you’re interested in and why. Therefore, grades and taking part in drama club is one thing, but attending workshops, the theatre, and related work experience will really catch their eye. Talk about your passion and make sure you have performed and studied loads of plays. Furthermore, include other talents that you take part in, like music and dance, which is also key.
Hello, alongside your grades you need to show that you have a clear interest in theatre. Include all relevant work experience, your plans for the future and any extra curricular activities you do that are related to theatre. It might be useful to read some articles, magazines, watch videos related to theatre that you can also discuss in your application. Your genuine interest in theatre (and maybe drama studies) must shine through on your application