When deciding whether a substitute teacher has reasonable assurance of returning to work, the department will consider, but is not limited to, the following factors:

(1) Number of full-time teaching positions;

(2) Student enrollment;

(3) Number of schools;

(4) Size of substitute teacher list at the beginning, during, and end of the academic year or term;

(5) School district priorities that affect the assignment of substitute teachers; and

(6) The average number of substitute teachers assigned each day.