ROANOKE COUNTY, Va. – Keeping enough staff this school year continues to be an issue for some school systems. “I can honestly say this year has probably been the most challenging,” said Jim Bradshaw, Roanoke County Public Schools Director of Human Resources. We’re more than a month into the school year and local school systems say they’re short substitutes for the classroom and for buses. Roanoke County bus drivers get $2,000 and bus aides get $1,000. Certified positions are like teachers, while classified positions include secretaries, instructional assistants, etc.