By Steve Lackmeyer, Business WriterThe downtown tax increment finance district, which has typically been used to assist private developments, is set to help the Oklahoma City Public Schools district create a new administrative headquarters and a clinic at Emerson High School, and provide a long-needed modernization of the Capitol Hill Library. Tax increment financing districts are created by the Oklahoma City Council and allow for increases in property taxes, known as increments, to be reinvested back into the area.Read more on NewsOK.com