So I am trying to upgrade my position from a 15hr/wk job to a 'open' computer lab aide in my high school.

This lab is a ~45 pc open lab for teachers to bring their classes down to, and students who have their teacher's permission. also It will be open during lunch and probably after school.

Most likely I will be interviewed by the principal, and perhaps the english teacher who oversees the lab.

Now does anybody have any tips or know what I should expect to see in the interview? My computer skills are pretty well known to the principal as I once helped him set up his office computer, and my resume focused on my computer skills, so that may not be the issue. but what else should I know?