The minister said the discipline task group which he has set up would use the figures to inform their work.

BBC: Classroom violence 'on the increase'

"In northern Europe, in general, we tend to value discipline and sticking to your task highly, " said Kuper.

CNN: June 29, 2012 -- Updated 1447 GMT (2247 HKT)

The task of estimating Earth's ancient climate, a discipline known as paleoclimatology, is a challenging one.

WSJ: In Study, Past Decade Ranks Among Hottest

The PAT welcomed the government's task force of head teachers to investigate how to tackle school discipline problems.

BBC: NEWS | UK | Education | Bad parents 'should be punished'