An AU where their in academy.

Wan and YangChen: Sixth year Kuruk and kyoshi: fifth year Roku: forth year Aang and Korra: Second year.

You can be your Oc or one of the Avatars. This is where they have their original bending such as Aang and YangChen: Airbenders + their culture. Kuruk and Korra: Water benders + culture Roku and Wan: Firebenders + Culture Kyoshi: Earthbenders + Culture.