[4][5][6] Since July 2001, Northtown has been an International Baccalaureate World School with Dr. Jane Reed as the program coordinator.

[7][8][9] Its boundary includes North Kansas City, Avondale, and portions of Gladstone south of NW Englewood Road.

A Building, containing a new performing arts center and orchestra, band, choir, woodshop, and theatre classrooms, was finished in August 2020.

Additionally, the old Main building underwent massive renovations to fix safety concerns and put in a new multimedia center and more classrooms.

The current main building was contracted to be built the first of March 1925 as documented in the 1925 NKCHS Owl Yearbook for a total cost of $190,000.

The 1926 NKCHS Owl yearbook describes the opening and dedication of the new building on Sunday afternoon, January 24, 1926, by Missouri Governor Baker.

[15] In the 2019 season, the women's basketball team defeated Jefferson City High School in the state championship game.