The new test will be less predictable and include verbal reasoning, numerical and visual communication parts.

BBC: Buckinghamshire County Council reviews 11+ examination

To put Lydia's mark in perspective, the top adult score in the Cattell III B test, which primarily tests verbal reasoning, is 161.

CNN: British 12-year-old smarter than Einstein, Hawking

The current test includes verbal and non-verbal reasoning, which are not taught in primary schools and need coaching but the new test may drop that element and place the emphasis on English and Maths, which are taught in classrooms, BBC South East Today's political correspondent John Young explained.

BBC: Kent 11-plus overhaul 'to tackle coaching culture'

Their verbal abilities were also tested by completing the verbal-reasoning section of the GRE.

FORBES: The 'New' Benefits Of Mindfulness: Improved Memory, Focus, And GRE Scores

People who were asked to reflect on their many past successes or a specific failure scored roughly 10% better on tests of mathematical ability, as well as verbal, spatial, and abstract reasoning, than those who reflected on either many past failures or a single specific success.

FORBES: Yesterday Influences Your Performance Today in Surprising Ways

But American voters react badly to such open displays of verbal intelligence and capacity for meta-reasoning.

FORBES: Romney: the Google of Politicians