Below are examples of resignation letters for the school administration and principal, coworkers, and parents of students. 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.I am writing to notify you of my resignation from POSITION at SCHOOL, effective DATE. Use one of our resignation letter templates. A great deal of attention is paid to eloquent teacher resignation letters that speak to over testing, too much kill and drill and joyless classrooms. A formal resignation letter includes: A salutation. Your intention and departure date.