When a pupil passes through sensors at the school entrance, the chip sends an SMS message to parents.

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Mr Liu says the long-term plan is to change the university entrance procedures to place more emphasis on students' performance at school rather than simply on the national entrance exam.

ECONOMIST: China

The day began with a long walk through the snow at the back of the arena to find the special entrance where the School Report team could get their media accreditation in order to get access to the backstage area.

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