Fill out the form on this page to get a free editable Google Docs template with sample teacher resignation letters to help you compose your own. Below are examples of resignation letters for the school administration and principal, coworkers, and parents of students.4100 Normal Street, San Diego, CA 92103. This is to inform you of my intention to resign. My last day of work will be (DATE). This sample resignation letter is available for use on UpCounsel.