The Sixth Amendment Center, Incorporated, 409 Putnam Ave, Cambridge, MA 02139, US

Tenacity is a nonprofit organization that has been operational since 1999. It organizes fitness classes and after-school care programs. The organization has a staff of trained and certified consultants, event managers and directors, academic and human relations coordinators, program assistants and volunteers. Tenacity conducts the After-School Excellence Program for middle school students. Its alumni service staff assists participants with high school requirements, college and financial aid applications, job searches, and personal and professional development issues. The organization additionally offers job, internship, tennis and volunteer opportunities. It also conducts and organizes fun, social and recreational events. Tenacity is located in Brighton, Mass.