Whether you are a photographer who takes senior photos or a parent of a high school senior frantically searching Google for “How to change a photo to 300 DPI”, I’ve got you covered. In this blog I am going to explain what DPI means and how to easily change your senior photo to 300 DPI in Photoshop, Lightroom, and in Mac Preview, in order to have it ready to submit to the yearbook. What does DPI mean? High schools now will send out a yearbook photo requirement telling parents that they need to submit a photo of their senior with “300 DPI” but what does that mean? DPI stands for…