What do you write in a teacher Retirement Letter? This article will address how to write a retirement letter of resignation and provide an example that you can use as a template for your own retirement letter.Employees who desire to resign or retire must notify the district of their intent to separate from the district. Use a retirement resignation letter template to inform your employer that you plan to leave the workforce. In the opening paragraph, make it clear that you are retiring. I am writing to formally announce my retirement from teaching, effective at the end of the current school year on June 30, 2024.