Possible Clues:

• Something bringing in money
• Nice little job for student who can't start
• Deserving one
• Pupil loses his capital in dubious money-making scheme
• After fifty one might get a wage and yet be a student (6)
• Football is a nice big one for top players!
• The one who brings home the money
• Paycheck recipient
• Something making a good profit (colloq.)
• Student initially losing pound as paid employee