The power vested in the electors by section 278.1 shall not affect or limit the power granted to the board of directors of a school district in section 297.7, subsection 2 , and the authority granted in section 297.7, subsection 2, shall be construed as independent of the power vested in the electors by section 278.1 . [C75, 77, 79, 81, §278.3 ] 2014 Acts, ch 1092, §60