 The school currently plays basketball, football, etc., as a member of the "Big Twelve" Conference along with its crosstown rivals at Normal West, Bloomington High School, and others, although there are presently fewer than twelve teams in the Big Twelve owing to the departures of some schools to conferences with schools more nearly their own size.NCHS teams played for many years in the Corn Belt Conference but eventually departed due to school-size issues.According to the Illinois State Board of Education's online Report Card, the student body as of the 2015-2016 school year was composed of the following ethnicities