The article refers to a child of 8 obtaining a PhD. If you believe that...
Also the scores of 162 of which MENSA are so fond are generated using the Cattell test, which has a standard deviation of 24. That's equivalent to 138 on a Wechsler test (standard deviation 15): in the top 0.5%, but no rarer than that. As such, one would expect to find a kid this bright in most year groups of most comprehensives.
So, not newsworthy in any way, but free advertising for MENSA every time a gullible journalist falls for it.