Don't wear sneakers and be careful about jeans. The body piercing and tattoo advice goes for the men also. Document any work you've done with children, or in teaching, even if it's not a similar population or age range. Make sure the portfolio is not overly complicated. That means it's easy to read and understand.
Organization is everything.
Also, make sure you have carefully checked all spelling and grammar. Have appropriate samples of any knowledge of technology you have - graphics design, presentation software, word processing, etc. Let the interviewer know you have them, and only offer to show them if asked to. 4. Know the setting you're going to. In many districts, each school has a model, and it is very important to show understanding of the model.