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There is a teacher in NSW with a worldwide audience for mathematics on his You Tube page called Wootube
Wootube has 211,873 subscribers and the man is brilliant. He is head of Maths at Cherrybrook High School in the northern suburbs of Sydney. He makes maths interesting.
Here is an example of his Youtube videos - I picked one you would recognise rather than trying to pick the best.
He has been appointed to teach other teachers how to make maths interesting (while still retaining his normal teaching job). The idea is to get more students to study maths and science subjects at Uni.
I wish I had teachers like that when I was at school rather than a mediocre mob who were still fighting the second world war.