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. Below are examples of resignation letters for the school administration and principal, coworkers, and parents of students.Need to know how to write a resignation letter for teaching? Then read this guide from an EX-teacher filled with tips and templates! Rehire eligibility will be maintained in your personnel file. Examples: If your resignation date is: You are eligible for re-hire: DURING 2014-15 school year. Check out our resignation letter for teachers selection for the very best in unique or custom, handmade pieces from our templates shops. We recommend a short letter and a written transition plan. See sample resignation letters below. Under the Texas Education Code, contract employees are required to resign no later than 45 days before the first day of instruction for the school year.