An effective resignation letter includes your name, your job title and your departure date. 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.A resignation becomes effective at the end of the school year in which it is submitted. What do you write in a Teacher's Resignation Letter? In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. I'm currently on the job hunt in another state for another teaching job. I'm writing to give my formal notice that I'll be leaving my role as ______ for ______ school district on ______ (date). Use a formal business format for the actual letter itself. Notify your manager in person before you submit your formal resignation letter.