It is intended to be the “flagship” of the School building initiative be: This is what Franziska Giffey (SPD), former Governing Mayor, called the planned new school building on the Allee der Kosmonauten, the construction of which began almost exactly three years ago. This Monday, Berlin’s largest new school building opened its doors for the first time: An integrated secondary school (ISS) and a high school are to receive 1,600 students here in the medium term and around 200 teachers will work here.