The first thing I do when I get here at 7.30 a.m. is checking the accounts. Then I see what new maps and documents need to be produced in order to learn the 'runs' or routes necessary to pass the London taxi-driver test. By midday, about 50 students are in school, working out how to make the journeys. They work out the most direct route, using the correct one-way streets, and right- and lefthand turns. I get involved when there's a difference of opinion - like whether you can do a right turn at a particular junction. When they're close to the test, I'll give them a simple route and no matter what way they say they'll go, I'll tell them they have to use another route because the road is closed. The next student will have to find a third route and again I'll come up with a reason why they can't go that way. It's just to make them think. 

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