School starts today in Hillsborough County, so drivers need to be extra careful around crosswalks, buses and school zones.
Students: About 190,000
Transported by bus: 91,000
Employees: More than 25,000, including 15,000 teachers
Schools: More than 250
Key dates: School starts today. Closed all Thanksgiving week, Dec. 24-Jan. 4, and March 11-15. Last day is June 7.
Early release: One hour early every Monday
Superintendent: MaryEllen Elia
Source: Hillsborough County School District