Complex sentence: The surronding area is home to many expariates living in warsaw, as this area is home to many international schools, however, in 2000 the American School of Warsaw moved about 6km out, to the suburb of Konstancin.
Split into simpler sentences: The surronding area is home to many expatriates living in Warsaw, as this area is home to many international schools. However, in 2000 the American School of Warsaw moved about 6km out, to the suburb of Konstancin.