Serve with ICSV, an international school with a US-based curriculum. It is truly an international community made up of students from 50 different nations of the world. The academic program has been accredited by both the Association of Christian Schools International (ACSI) and the Middle States Association of Colleges and Schools. The International Christian School of Vienna is an IB World School* for the IB Diploma Programme. IB World Schools share a common philosophy — a commitment to high quality, challenging, international education that ICSV believes is important for its students.