Linked below are templates for resignations and retirements. Please be certain that your letter is signed, dated correctly and addressed to your administrator.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. An effective resignation letter includes your name, your job title and your departure date. ESL Teacher Resignation Letter. Customize any of these resignation letters in minutes using our free AI-powered resignation letter builder.. Please accept this letter as formal notification that I am resigning from my position as a ______ at ______ school. My last day will be ______. Resignation for Purpose of Retirement. Your resignation letter should be written formally as a professional in the workforce.