The Key Club is a service organization serving both the school and community. It is involved in a variety of activities that benefit others such as Food Drives for the needy during Thanksgiving. Kelly High School club sponsors are Neal Suwe, Joan O'Connor and Eric Carlson.

The Kelly Key Club is the high school membership in Kiwanis International. The purpose of Kiwanis International is to "help and serve the children of the world" All projects are geared toward helping children - from newborns to high school seniors - in our school, in our community, in our city, throughout our nation, and throughout the world.