I am still trying to find the perfect balance. Not too long ago I did not own a cell phone - only a landline. Now I have a Nexus 5, but no cell service. I can already feel the addiction setting in.
I was able to stay late after school, as I was close friends with one of my teachers. He would stay until 19:00 most days grading work and talking... now that I think of it, I could have pulled some great stunts.
Maybe randomizing the contents of a selection of not so random lockers... (purely for educational purposes, of course)
I also fell for this back in my younger days. Gave them my birth cert, and student ID. It still haunts me to this day, but I was just a dumb high school kid.
Needless to say, I haven't went back to Facebook since.