Section 29.20.300 - School boards(a) Each municipal school district has a school board. Except as provided in (b) of this section, members of a school board are elected at the regular election for three-year terms and until their successors take office. Members are elected at large unless a different method of election has been approved by the voters in a regular election.(b) The assembly is the school board for a third class borough. The mayor is the presiding officer of the assembly and president of the school board. However, the mayor may not veto an action of the school board.