I pretty much take notes with pen and paper so that doesn't matter. I would mostly be using it for internet and reading books. I can handle the print on the internet on the mini I think, only thing I'm not sure of is books.
If I'm not planning on taking notes with it (some teachers wouldn't allow it, and still I don't think it'd be as easy as notes) do you think a mini would work?
Possibly, but from my experience I use my iPad for other school related tasks such as essays and textbooks. It's nice to be able to start an essay on my laptop, have iCloud automatically sync it to my iPad and continue working on it when I'm out of my room. I've heard people say they are able to use Pages on the mini, but I just don't see how you could write a few thousand words on there. Also, with regards to textbooks, yes you can read epubs and whatnot on a mini, but if you ever wanted to effectively highlight, annotate, scribble on, write mnemonics/charts/mark-up PDFs, you will need more sophisticated apps than iBooks/Kindle. And the extra screen real estate is very helpful. My suggestion would be to really analyze what work related tasks you hope to be able to accomplish on a tablet (if any) and test it out on the iPad 2 that you said you have access to. Also check out some of the productivity apps like iAnnotate, Goodreader, Pages (even if you just watch youtube reviews) and get an idea if the mini will suffice.