Mean Girls two is a spinoff that came out later in 2011. Mr. Duvall, is brought back but at a new school. There is another group of "Mean Girls" who are being mean to a new student. A girl named Jo forms her own group to defend themselves. It ends with football and fights when Jo gets accused of stealing homecoming funds. You can watch this on Prime Video.

Mean Girls (The Musical) is very similar to the actual movie, with some added on songs. "The Plastics" are still featured in this movie along with all the other original characters. As you see Cady try to become more popular she learns more about how what she does affects different people. You can by tickets here.