mensa

Britain is talking about a girl. She is 16-year-old Lauren Marbe, who scored 161 on a school IQ test—one point higher than Stephen Hawking, Bill Gates and even Albert Einstein and enough to qualify her (by a very safe margin) for membership in Mensa: the global “high IQ society” whose members have an IQ score in the top two per cent.

Younger and younger children are getting IQ tests. Kate Lunau follows one family’s journey into the land of the supersmart