I teach graphic design, among other things, at Columbia Central High School. While I do not consider it one of my strengths, I do have a good portfolio. You can download it here.
Technical stuff: Don’t worry about the warnings about Google not being able to scan the document. There is no evidence that it has any viruses in it. It may take a few seconds to download.
You need to have Adobe Acrobat installed in your computer to read it (most computers have Acrobat installed). When it asks you what to open the file with, it should say Adobe Acrobat. If not, choose Acrobat to view it.