Find a good nursing brain, there are a lot of them available for download just by googling, these will help you organize your patients and your shift.
Find a REALLY good pair of shoes
Keep an extra set of clean scrubs
in your car/backpack when you go to clinicals
Check how the earpieces on your stethoscope feel, if they are too hard and hurt your ears go get some soft ear tips.
Show motivation, if the opportunity to help out arises, take it; be it an admit or acucheck, etc.
Network the hell out of yourself.
Pack your lunch/dinner to save money
If you show yourself to be nervous your patients will see/sense it, fake it till you make it!
Find yourself a really good hand moisturizer to keep with you
Do your best to see the big picture, it helps you see why the patient is taking the medications they are taking, why they are getting the procedures they are receiving, etc. This will help you develop as a nursing student and will carry on into your nursing career.
Get enough sleep and exercise.