Mega Society

Founded in 1982 by Ronald K. Hoeflin to facilitate psychometric research, the Mega Society is a high IQ society open to people who have scored at the one-in-a-million level on a test of general intelligence claimed to be able to discriminate at that level. The Guinness Book of World Records once stated that the most elite ultra High IQ Society is the Mega Society with percentiles of 99.9999 or 1 in a million required for admission.