230.173  Removal of persons interfering with meetings.--The presiding officer of any district school board may order the removal, from a public meeting held by the school board, of any person interfering with the expeditious or orderly process of such meeting, provided such officer has first issued a warning that continued interference with the orderly processes of the meeting will result in removal. Any law enforcement authority or a sergeant-at-arms designated by the officer shall remove any person ordered removed pursuant to this section.