DD is hoping to go to performing arts/dance college in Sept 14; she will start auditioning in Sept/Oct 13
This will be her final GCSE year, so time off will be difficult.
She wants to do as many auditions as possible
I'd rather she does as few as possible while giving her the best possible chance
I'm sure school would rather she wasn't off at all 
Next year she is doing:
2nd yr of Maths
2nd yr of Eng Lit
2nd yr of Eng Lang
2nd yr of Science
Entire Drama BTEC
Entire Business BTEC
She 'should' already have GCSE Spanish, Geography & Music and she has BTEC Dance
Is it worth suggesting she drops the Business so she can use that time to make up any lessons she has missed?