Tennessee Code Title 6. Cities and Towns § 6-36-106

(a) The board shall adopt rules governing the conduct of its business and meetings; provided, that regular meetings shall be held on the second Wednesday of each month unless another day is set by the board; and provided further, that if a regular meeting date falls on a legal holiday, the meeting shall be held on the following day. The board shall provide by resolution for the time of day and place of all its meetings.

(b) A majority of the board constitutes a quorum and the affirmative vote of at least three (3) members shall be required to approve any action; however, if the board consists of seven (7) members, then an affirmative vote of at least four (4) members shall be required to approve any action.

(c) A special meeting shall be called by the chair, by any two (2) members of the board, or by the director of schools, by a written notice delivered at least twenty-four (24) hours in advance of the meeting, either personally or left at the usual place of residence of the members and director of schools. Such notice shall set forth the character of business to be discussed at the meeting, and no other business shall be considered at such meeting.

(d) All board meetings shall be open to the public, and citizens shall have a reasonable opportunity to be heard. The board shall exercise its powers only at public meetings.