Fla. Stat. § 1001.4205
An individual member of a district school board may, on any day and at any time at his or her pleasure, visit any district school in his or her school district. An individual charter school governing board member may, on any day and at any time at his or her pleasure, visit any charter school governed by the charter school's governing board. A member of the Legislature may visit any public school in the legislative district of the member. An individual visiting a school pursuant to this section must sign in and sign out at the school's main office and wear his or her identification badge at all times while present on school premises. The board, the school, or any other person or entity, including, but not limited to, the principal of the school, the school superintendent, or any other board member, may not require an individual visiting the school pursuant to this section to provide notice before visiting the school. The school may offer, but may not require, an escort to accompany an individual visiting the school pursuant to this section during the visit. Another board member or a district employee, including, but not limited to, the superintendent, the school principal, or his or her designee, may not limit the duration or scope of the visit or direct an individual visiting the school pursuant to this section to leave the premises. A board, district, or school administrative policy or practice may not prohibit or limit the authority granted to an individual under this section.
Fla. Stat. § 1001.4205