Answer: GRADERS

AnswerCrossword Clue
GRADERSTeachers, at times
GRADERSFirst...
GRADERSProfessors, at times
GRADERSRoad machines.
GRADERSEarth movers.
GRADERSRoad equipment
GRADERSThey rate
gradersGRADER, one that grades (to arrange in steps or degrees)
gradersA person or thing that grades
gradersA wheeled machine for leveling the ground, esp. in making roads
gradersA student of a specified grade in a school