Alpha Chi (juniors and seniors whose GPAs rank in the top 10%) heads the list of academic honor societies at Lyon. Others include Alpha Lambda Delta (freshmen whose GPAs rank in the top 20%), Alpha Psi Omega (national dramatics fraternity), Chi Beta Phi (national scientific honorary fraternity), Kappa Delta Pi (national education honorary fraternity), Kappa Pi (international honorary art fraternity), Omicron Delta Epsilon (economics honorary fraternity), Phi Alpha Theta (national history honor society), Phi Sigma Tau (national philosophy honor society), Sigma Beta Delta (business, management and administration majors), Sigma Delta Pi (national Spanish honor society), Psi Chi (psychology majors), Sigma Tau Delta (national English honor society) and Theta Alpha Kappa (national religion honor society). The College also sponsors Mortar Board, the National Honor Society for college seniors.