If a township is divided by a county line or lines, the trustees of schools shall make, or cause to be made, separate enumerations of all statistics and other information required by the State Board of Education, and report them separately to the several regional superintendents. All parts of such statistical information which cannot practically be reported separately shall be reported to the regional superintendent of the county in which the sixteenth section of such township is situated.
105 ILCS 5/5-19