Take I-74 West towards Peoria.  Take I-474 West to exit #6A - US-24 West/Bartonville.  Turn Right on McKinley St/Adams which is also US-24 West.  Continue on US-24 West to Lewistown.  Turn Right at stoplight when reaching Lewistown.  School will be on your right. OR Take I-55 South to McLean exit.  Take 136 West to Havana.  Take 24 to Lewistown.