105 ILCS 5/29-9

Any school district, including any non-high school district, which provides transportation for pupils shall insure against any loss or liability of such district, its agents or employees, resulting from or incident to the ownership, maintenance or use of any school bus. Such insurance shall be carried only in companies duly licensed and authorized to write such coverage in this State and in compliance with the provisions of Section 12-707 of "The Illinois Vehicle Code", approved September 29, 1969, as now or hereafter amended.