What happens a few weeks into school for a lot of girls.
Skipping breakfast, having a small lunch (i.e. granola bar), and having a small, quick dinner or none at all. Frequently school diet sufferers actually forget to eat for days at a time. Similar to anorexia.
Makes you tired, but has the benefit of weight loss.
Jess: Oh my gosh, how are you so skinny? You never work out or anything!
Kayla: I'm on the school diet, duh!