Even if your portfolio is diversified, it’s necessary that you choose a focus in order to write your essay. Otherwise, your portfolio essay may be a bit unorganized. Your portfolio is a conclusion of everything you’ve done over the last year or semester. Think about why you chose the pieces. Was it because it was your best work, or was it because it was an assignment which challenged you? Considering these things can help you design your about me portfolio page, where the reader can really get a glimpse of what kind of student you are. Therefore, try to have a solid topic to focus on that is directly related to your experiences with the course.