In 2007, the school added a new auxiliary gym, new tennis courts, pool and auditorium remodeling, two new Biology classrooms, and expansion of the band and choir department.

Shawnee Mission North is a member of the Kansas State High School Activities Association and offers a variety of sports programs.

In 1941 the shop wing was constructed to house agriculture and auto mechanics; it was connected to the west building by a concrete walk.

In 1950 a large addition was made, including the south academic wing, the cross hall/offices, library, Field House and music rooms.

A swimming pool and science wing were built in 1969, a developmental center in 1978, the Little Theater in 1984, and the "lunch dock" was remodeled in 1993.

A key project at Shawnee Mission North was the demolition of the original stadium and reconstruction which began in 2005, was a rush to have it ready for the Class of 2006 Graduation.

The Ozark Mountain Daredevils played a concert at Shawnee Mission North on February 21, 1973, prior to the release of their first album in December of that year.

[11] The Eastern Shawnee Tribe of Oklahoma's business council on March 10, 2017 approved a resolution formally rescinding the permission granted in 1992 for the use of the Indian as a mascot.

[14] The Shawnee Mission USD 512 voted unanimously in January 2021 in favor of a policy that school mascots be culturally and racially sensitive and appropriate.

[citation needed] In 2013, the band held its first ever Shawnee Mission North Marching Invitational, which has continued every year since.

[citation needed] The Bison compete in the Sunflower League and are classified as a 6A school, the largest classification in Kansas according to the KSHSAA.

The Indian head time capsule (in front of the main office), which was gifted to the school by the class of 1965, is roped off and not to be stepped on.

[citation needed] SM North is located in northern Overland Park and serves much of northeastern Johnson County.

Originally called "Big Man on Campus", the winner was crowned at the annual "Women Pay All (WPA)" dance.