I have permanent student monitors every three weeks but I used to have to continually remind them of their jobs. Now I have a supervisor monitor whose job is to make sure the other monitors are doing their jobs. The supervisor also checks to see if a substitute monitor is needed for an absent student. At the end of the three weeks, the supervisor gets to keep a special loving cup at his/her desk and is the line leader. The supervisor job is a once a year thing. It's both a coveted job and a good training position to foster leadership skills.