Columbus North High School  Columbus North High School (CNHS) is one of the public high schools located in Columbus, Indiana. It is part of the Bartholomew Consolidated School Corporation (BCSC). Columbus North High School was previously known as Columbus High School. It was renamed Columbus North High School in 1973 upon the founding of Columbus East High School. The demographic breakdown of the students enrolled for the 2017-2018 school year is as follows:   The North Bull Dogs are members of Conference Indiana. The school colors are royal blue and white. The following IHSAA sanctioned sports are offered: