Complex sentence: One of the 77 official community areas of Chicago, it is on the city's southwest side and is home to large Polish community, the Polish Highlanders Alliance of North America and Curie Metropolitan High School.
Split into simpler sentences: One of the 77 official community areas of Chicago, it is located on the city's southwest side. The neighborhood is a center of Polish culture, and home of the Polish Highlanders Alliance of North America as well as Curie Metropolitan High School.