Writing an about page can seem like a difficult proposition at times. One thing that can help is thinking about what the goal of your website is. Are you trying to connect with a specific audience? Knowing this could help you focus what it is you want to write. In terms of this class, think about trying to introduce yourself to someone who does not know you. What do you want them to know about you?
If your contact information is just an email address, you could list that on the about page along with a link to a current resume/CV. You want to make it easy for those who might want to contact you to do so with as few clicks as possible.
Here are a few different examples of About Pages: