The school new construction uses the basic grid of the existing building multiplying it to a new open school type – to a school „without walls“. The widely sprawling two-floor high structure closes the site towards west and the rapid train railway (S-Bahn). The connecting wing with the new entrance, media-center, and the canteen is the new heart of the estate. The canteen opens to a spacious south terrace with a school garden.The two incised planted courtyards expand the classrooms outdoors exposing them to the light from both sides. Spacious terraces, the extensive beige-coloured school yard and so called green classroom complement the choice of the usable free spaces for pupils. The entire outwall elements were prefabricated as highly insulated wooden parts and fully covered with an upright larch-wooden shield. (In collaboration with DI Hein, SDKS + Kavan Architects , Frankfurt)