To continue and expand the lunch program in the public schools of the State, in cooperation with the Food Distribution Administration of the United States Government, or any similar agency, there shall be a school lunch division in the State Department of Education, to be directed by a State supervisor, appointed by the State Board of Education. Such division shall also employ a steno-clerk and a food consultant to plan meals and otherwise assist in the program and shall purchase all necessary and incidental office supplies. The salaries of the personnel herein provided for shall be fixed by the State Department of Education.