Greenfield offers many clubs and activities for grades 3 through 12. Clubs allow students to get involved in a variety of activities both serving the community and academic competitions. Some clubs meet during "flex time" which is immediately following lunch and others meet after school. Additionally, some clubs participate in competitions which can be held in the evenings or on the weekends. Greenfield encourages student involvement in clubs as it enhances student life and teaches team work, responsibility and involvement in the community.