Many Seniors and Juniors have a car and capable of driving and eat near by fast food restaurants. This can cause a growth In the nearby economy. This will also give C lunch or D lunch the chance of buying snack from the cafeteria. Saving the school some money.
This is an example of the good it can bring to the school. On the other hand, some students will see this as a way to skip school or class. This is a simple problem to fix by enforcing a rule that punish those that decide