Tengen Toppa Gurren Lagann: Gurren Gakuen-hen

Tengen Toppa Gurren Lagann: Gurren Gakuen-Hen (Gurren School Edition) will feature the cast of Gainax's robot mecha anime in a school in a parallel world in multidimensional space. As the character Kamina puts it, the cast will "enjoy school life" and "sweat under the glittering sun."
(Source: Anime News Network)