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. Professional Resignation Letter is a formal written notice announcing intention to leave a job.Inform them that you will be resigning, state the position that you are resigning from, and indicate what your last day of work will be. Use one of our resignation letter templates. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates.