Sigma Pi Sigma is the national physics honor society, which elects members on the basis of outstanding academic achievement. Carthage has its own Sigma Pi Sigma chapter. Sigma Pi Sigma membership confers recognition of outstanding scholarship and a record of significant professional achievement. To be considered for induction, which is for lifetime, students must be a junior or senior physics student in good standing, having completed a least one 300-level or higher physics course, have a GPA in the major (physics) of 3.0 or better, be in the top third of Carthage students with overall GPA, and have presented original physics research in some physics forum.