I'm a fairly heavy LaTeX user, having done all of my college homework in LaTeX. Here's the template I use for new assignments. It's derived as a combination of all preamble statements I've ever used.
Note that there are some package clashes: Garamond with amsfonts, hyperref with TikZ, possibly others. I've commented them out in the provided source, so it should compile out of the box.
If you're using Sublime Text, you might find this LaTeX build system helpful.
P.S. Please customize the listings package's settings before using it. Multiple students' assignments looking the same might arouse undue suspicion.