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. Ready to leave your job? The law school then fills out its portion of the form and sends it directly to the Committee. State your intention to resign: Clearly state in the opening paragraph that you are resigning from your position. Be direct and to the point. Can I fill out forms in a PDF file? President Jimmy Carter (right) and wife Rosalynn sit in the sanctuary at Maranatha Baptist Church in Plains, Georgia. Columbia University, officially Columbia University in the City of New York, is a private Ivy League research university in New York City.