The Mustangs compete in the Eastern Kansas League (EKL) and are classified as a 6A school, the largest classification in Kansas according to the Kansas State High School Activities Association. Throughout its history, Blue Valley North has won several state championships in various sports. Many graduates have gone on to participate in Division I, Division II, and Division III athletics. The Blue Valley North Mustangs are considered rivals with the Blue Valley Northwest Huskies. The two schools, along with Blue Valley West High School, share the District Athletic Complex located on the corner of 135th and Switzer as a home stadium for football, soccer, and baseball games. The Mustangs also compete against the rest of the Blue Valley High Schools, the nearby Shawnee Mission School District, and the Olathe School District.