Southern Cross High is the local high school on Southern Cross Isle. This is where most characters of the series attend school.
Uniform
First Years - Pink Tie
Second Years - Yellow Tie
Third Years - Blue Tie
Staff
- Kenzou Usui - Headmaster and Advisor of the Midnight Flight Club
- Hitomi Ishino - Homeroom teacher of Class One
- Midori Okamoto - School Nurse and Advisor of the Science Club
Students
First Years
Class One
- Hiroshi Matsuyama
- Kanako Watanabe
- Keito Nichi - Class Leader of Class One and Head of Science Club
- Manabu Sakuma
- Ruri Makina
- Simone Aragon
- Sugata Shindo
- Takashi Dai
- Takuto Tsunashi
- Wako Agemaki
Class Two
Others
Second Years
- Benio Shinada - Head of Kendo Club
- George Honda - Head of Boxing Club
- Jaguar Yamasugata
- Takasugi - Captain of the Tennis Club
- Tetsuya Gōda
Third Years
- Sarina Endo - Head of Midnight Flight Drama Club