Polo is a city in Ogle County, Illinois, United States.

[6] According to the 2010 census, Polo has a total area of 1.36 square miles (3.52 km2), all land.

Christ Lutheran School, located in nearby Sterling, serves students of various religious backgrounds from Polo to Walnut and from Morrison to Dixon.

As part of the largest network of Protestant schools in the US, CLS provides an education for students from age 3 through 8th grade that is focused on all of the core academic subjects while remaining true to the Bible.

The building is one of several Carnegie libraries on the National Register of Historic Places.