WITH THE NEW SCHOOL YEAR NOW ONLY FIVE WEEKS AWAY, SCHOOL DISTRICTS ARE SCRAMBLING TO FILL TEACHING POSITIONS.  THE IOWA FALLS SCHOOL DISTRICT IS SOLVING THE PROBLEM, AT LEAST PARTIALLY, BY HIRING TWO PEOPLE TO TEACH SCIENCE COURSES PART TIME.  HUBBARD-RADCLIFFE SCHOOLS ARE ALSO RACING THE CLOCK TO GET ITS POSITIONS FILLED WITH THE START OF CLASSES APPROACHING.  FOUR POSITIONS REMAIN OPEN IN THE DISTRICT’S MIDDLE AND ELEMENTARY SCHOOLS.  CLASSES IN MANY SCHOOL DISTRICTS ARE SET TO BEGIN AUGUST 23D.