Founded in 1922 in Indianapolis, Indiana, Sigma Gamma Rho Sorority, Inc. is a historically Black sorority and member of the Divine Nine (NPHC), headquartered in Cary, North Carolina. Distinguished as the only NPHC sorority founded on a college campus by schoolteachers, it is dedicated to enhancing quality of life through community service, civic engagement, and education under its motto “Greater Service, Greater Progress.”