In spring 2001, a serious mold problem was discovered at St. Charles East, the district's other high school, and was determined to be the source of some student illnesses.

[5] East students received an extra two weeks of spring break while school board officials decided on the best recourse.

Currently, St. Charles North is undergoing curriculum renewal and redesign in partnership with the Illinois Math and Science Academy along with Brown University.

[8] In the 2007 National Merit Scholarship Program, St. Charles North was represented by two finalists: Alison J. Conn and Raymond H.

[13] Saint Charles North has 35 athletic teams, of which 18 are for boys and 17 are for girls, which compete in the DuKane Conference of the Illinois High School Association.