First day of school, make sure that you know your locker combination.
You've got to make sure that you don't overstep your boundaries with teachers, especially when it's report card day or when you're about to take a test.
I hid the homework, stayed in the bathroom for the longest time trying to cut class - I was a wreck as a kid.
You have to make sure there's a lock on your phone because people can hack into your Twitter so fast.