Polk County Florida 2025 School Calendar. 726 hollingsworth rd, lakeland, fl 33801 phone: Under the new law, middle school students will start school no earlier than 8 a.m., and high school students will start school no earlier than 8:30 a.m.

Get the dates for the first and last day of school, christmas break, spring break, and more. Public, private, + charter schools.