This can only be introduced in Britain if schools have armed security

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It has been traditionally thought that fewer pupils in a classroom means a better education but according to the OECD, it makes no difference at all whether there are 20 or 30 children in a class and larger class sizes might even be better. Lucy Williamson reports from Seoul in South Korea where larger classes have had some success.

http://news.bbc.co.uk/today/hi/today/newsid_9703000/9703614.stm

In my primary and secondary schools before I came to this country, the average class size was 50.   We had corporal punishment too and many interesting forms of ritual humiliation, eg being made to stand outside the class so the headmistress doing her rounds could get to know you better, standing on your chair, standing on your desk, having your knuckles rapped.   I remember once being slapped in primary school by a male teacher for being cheeky.    

When we finished primary school we were made to climb a hill - 833 m (2,723 ft).  

I therefore had an excellent education.   Indeed, I remember the headmistress telling us in no uncertain terms that the education we were all enjoying was not only the best in the state, or best in the country, but best in the world, but we would not really know this until we were properly grown up and she dead and gone ....