From and after the passage of this act, each county treasurer of this state shall, out of any funds now on hand and any funds hereinafter received by him from the United States Government as said county's share of the rentals from forest reserves located therein, immediately apportion same as follows:

1st. Twenty-five percent (25%) of all money now on hand and hereinafter received to be prorated and apportioned among the various school districts of said counties situated and located contiguous to such forest reserves, according to the scholastic population thereof;

2nd. Seventy-five percent (75%) of all such money now on hand and hereinafter received, shall be deposited in a special road fund to be expended on county highways leading into and away from such forest reserves, under the direction and supervision of the board of county commissioners of such county.