The project extends and completes an existing school building in Miranda de Ebro. The school is located in the outskirts of the city of Burgos, adopting the L-form inside a squared plot. The new proposal extends the continuity of the existing form. The overall project is therefore understood as a unity created in two parts. Continuity, versatility and communication are the key words of the proposal. A lightweight body that contains the stairs connects both parts. The overall proposal closes with a U-form around the courtyard, and opens into the main street. The fourth side of the parcel opens to the city and protecting itself by a row of trees. The project brings spaces together according to the needs and uses of each moment. Therefore the existing spaces are reorganized and related directly to the new areas.