There's a popular clique at school, but they're predictably mean-spirited and possibly air-headed. This girl's name might be Regina George, but I'm not sure about that so I'm just gonna call her Mean Girl 1.
This is Unpopular Girl 1. She seems nice, and also I like her haircut. Tumblr likes her because she has a lot of feelings and also because something about cake.
Tina Fey is in this movie! She plays an Empowered Woman And Healthy Role Model who is a guidance counselor or a teacher. She doesn't like the way the Mean Girls treat everyone.
The Mean Girls make Lindsay popular. At one point they're all sexy Santas in talent show, which seems a little too sexualized for high school but hey, that's Hollywood for you.