Employee shall send a written notification to the supervisor at least 2 weeks in advance of resignation. 2. Complete the fillable PDF form using your computer.Implement resignation from MiamiDade County Public Schools (resignation letter attached);. 4. Dear Board Members: Please accept my resignation from the Miami-Dade County Public Schools for the following reason(s):. Signing in on a daily basis is the most important documentation of an employee's time and attendance. We are committed to ensure that high performance standards are promoted, monitored and maintained for all. Employees may complete this process on-line, in the SAP system, through the Employee. Portal or through Human Resources. The certificate of completion is valid forup to 4 years. 3. Fill out your in-state tuition form and save money.