The International School of Kraków (ISK) is a school in Lusina, Lesser Poland Voivodeship in southern Poland, belonging to the Polish Embassy of United States.

In 2006, the school moved to a new campus in Lusina with funding assistance from the United States Embassy in Poland.

ISK is housed on an enclosed 1.25 hectare campus in the suburb of Lusina, approximately 20 minutes from the city center.

There are landscaped areas with park benches, basketball courts and a soccer field.

ISK features a library, multi-purpose hall, sports facility, and computer lab; wireless Internet access is available throughout the campus.