I am resigning due to . I have truly enjoyed serving the students of Nassau County and working under your supervision.Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Linked below are templates for resignations and retirements. Please be certain that your letter is signed, dated correctly and addressed to your administrator. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. No information is available for this page. Add contact details, company name, and date. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips.