You don't have to send your resignation letter 30 days before the start of the school year, you have to send it 30 days before your planned last day. 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.This sample resignation letter is available for use on UpCounsel. Submit the Withdrawal of Resignation form with a copy of your nomination letter to Field Services. RE: Notice of Resignation from Employment at Lee College. Dear ,. My final working day will be May 7. I extend my best wishes to you and the school. Should you require any assistance during the remaining period, please do not hesitate to reach out to me. The law school then fills out its portion of the form and sends it directly to the Committee.