Whenever in the judgment of the governing body of any city of the first class the pavement of any street, avenue or boulevard abutting on any school grounds or the board of education of such city is too narrow it may by ordinance provide for the removing of the curb and gutter, if any exist, and the grading and paving of such additional width on the side of the pavement next to the school grounds as it may prescribe, and the construction of new curb and gutter is deemed necessary, and the making of such incidental improvement as may be necessary. Bonds payable by the city at large, shall be issued to pay the cost of such improvements.
K.S.A. 13-1011f