Finland is famous across the globe for its education system. They focus on co-operation (vs competition) as well as reducing the amount of time children and teachers spend inside the classroom, so that children have time to explore and play, and teachers have more time to do the important outside-the-classroom work.
I went through a bunch of videos and articles covering the Finnish education system, here are the best ones.
Also, here is a blog post by a teacher who spent 5 months observing and researching schools in Finland: 11 Ways Finland’s Education System Shows Us that “Less is More”.