230.16  Regular and special meetings.--The school board shall hold not less than one regular meeting each month for the transaction of business according to a schedule arranged by the school board and shall convene in special sessions when called by the superintendent or by the superintendent on request of the chair of the school board or on request of a majority of the members of the school board; provided, that actions taken at special meetings shall have the same force and effect as if taken at a regular meeting; and, provided further, that in the event the superintendent should fail to call a special meeting when requested to do so, as prescribed herein, such a meeting may be called by the chair of the school board or by a majority of the members of the school board by giving 2 days' written notice of the time and purpose of the meeting to all members and to the superintendent, in which event the minutes of the meeting shall set forth the facts regarding the procedure in calling the meeting and the reason therefor and shall be signed either by the chair or by a majority of the members of the school board.