I personally use Adobe Premiere and Encore, they are supreme to what the Mac has to offer. (On a side note, I once tried using Microsoft Moviemaker but stopped after it kept crashing every 2 minutes). However, the other people who are also doing this project at school have enlisted my help.
The problem is; my limited expertise is further limited to PCs. Turns out that the school has bought DVD Studio Pro 3 and QuickTime Pro, which means that I can successfully extract the content (which I had done) and put it into iMovie (which I couldn't do until now). iMovie's not great, but for people that don't use a computer often it will have to do.
Although I was wondering if you would be able to offer assistance for a different matter that has cropped up...
How do you import a movie you have made from iMovie to DVD Studio Pro 3?