I agree with Kadath. I got out of programming after the tedium of staring at code got to me. Unless you've got a sorting demo (
http://winnie.kuis.kyoto-u.ac.jp/~ok...sort/sort.html) or something visual to show them, it'll be pretty dry.
But you may be surprised. I knew high school kids who were really into OOP and saw the value of that and how it related to something they cared about (games).