Find the tallest building. Skyscraper preferred. Climb the stairs. Builds Stamina. Find the Roof Exit. Step out onto the roof. Find the ledge.
Now this is very important. Stand on the ledge and scream Geronimooooooo!. Best rush ever.
Then once you feel as if you've lived. Go to your counselor office and ask if their is anything you can do to make up credits or not be kicked out. If he says no. Go back do the same thing, then Jump.