The design envisages a school ensemble consisting of three different-height structures and a gymnasium. Arranged on the northern part of the site, they form a counterpart to the listed elementary school in the south. At the centre of the campus is the lowest structure, with three stories, containing the entrance area. From there, all the units can be reached via a basement floor that connects the individual building parts. Visually, a framework of pigmented precast concrete elements in warm red tones unites the individual cubes into a design unit that interweaves with the existing building to create an identity-forming school campus. The "green classrooms" on the upper floor are a special feature. The spacious outdoor terraces serve as communicative centres framed by the L-shaped building volumes. The green character of the school is emphasised by the design of the open spaces, the integration of the tree population, the facade greening and a learning and reading garden, and as an almost CO2-neutral building ensemble it also sets a very good example as regards sustainable construction.