Finland has an economy and a population about the fifth the size of Australia's. But its schools consistently outperform ours and most others across the developed world. Children in Finland don't begin school until the age of seven and they're only in classrooms half the time of their Australian counterparts. For more from ABC News, click here: https://ab.co/2kxYCZY You can watch more ABC News content on iview: https://ab.co/2mge4KH Subscribe to us on YouTube: http://ab.co/1svxLVE Go deeper on our ABC News In-depth channel: https://ab.co/2lNeBn2 You can also like us on Facebook: http://facebook.com/abcnews.au Or follow us on Instagram: http://instagram.com/abcnews_au Or even on Twitter: http://twitter.com/abcnews