Dance

Physical Theatre

Directing, devising, performance, writing

Acting

Musical Theatre

Theatre Studies

try for the VCA, if that fails do a Theatre Studies degree and student theatre at a uni that offers them. (completely sincere advice.) try to avoid tafe unless it suits your learning style.

Classical music

Contemporary music

VCA or TAFE or: learn on the job

Backstage theatre and design

I went to TAFE for this and it was not easy, I expect VCA was even more difficult. You can volunteer as well