History of Teaching - Behind the News

What does the job of teaching actually involve and how has it's changed over the past hundred years?

BTN STORY PAGE
http://www.abc.net.au/btn/story/s4752...

RELATED BTN STORY
Teacher for a Day http://www.abc.net.au/btn/story/s3201...
Old School http://www.abc.net.au/btn/story/s2953...
Punishing Kids http://www.abc.net.au/btn/story/s4053...