United States Department of Homeland Security - National Terrorism Advisory System. 1  In 2011, the Department of Homeland Security phased out the old Homeland Security Advisory System, replacing it with a two-level National Terrorism Advisory System. The system has two types of advisories: Alerts and Bulletins.
MIAMI-DADE COUNTY PUBLIC SCHOOLS TO RE-OPEN ON MONDAY, JAN. 7. All Miami-Dade County public schools and administrative offices will reopen on Monday, January 7, at their regularly scheduled times.
This year, school will officially end June 4th I think in dade county. Classes will then resume at mid August more or less. Im not sure about the rest of Florida but summer vacation tends to last the same length of time around the state.......from June to August.