Asuka High School March! (2011)

Synopsis

Nao Yoshino is a girl who fails the entrance exams of her target high school. She winds up enrolling in a technical high school called Kenritsu Asuka Kōgyō Kōkō, also known by the nickname "Asukō". Out of the 148 entering freshmen, only three are girls, and Nao is the only one in her class.