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Speaking to pupils at the assembly, Sir Graham, a former teacher, said it was a pleasure to be at the school.
It had been a long time since he had been in such an environment, he said.
The pair also launched on Wednesday night this year’s Plunket Foundation lottery,
an annual appeal which Otago Boys’ was taking part in for
the first time.
Money raised from the fundraiser is used to support the teaching of self-regulation, which Dr Poulton said was about ‘‘learning to control your emotions, and not letting the emotions control you’’.
Sir Graham said his passion was to try to decrease the number of children living in poverty.
Learning self-regulation skills was critical to achieving that, he said.