Use one of our resignation letter templates. Below are examples of resignation letters for the school administration and principal, coworkers, and parents of students.I am writing to notify you of my resignation from POSITION at SCHOOL, effective DATE. Understand how to write a resignation letter for teachers. Learn the purpose of resignation letters. Located in the center of the Santa Clara Valley on the southern shore of San Francisco Bay, San Jose covers an area of 179.97 sq mi (466.1 km 2 ). Find out how your skills align with the job description. Skills. Do you have experience in SharePoint?