Bonus: The Global Story - Which country educates its children best?

Your weekly bonus from The Global Story podcast. Every few years governments around the world compete in school system rankings. But in many countries there are often barriers to even getting children into the classroom - such as poverty, climate change and war.The Global Story brings you trusted insights from BBC journalists worldwide, one big story every weekday, making sense of the news with our experts around the world.For more, go to bbcworldservice.com/globalstory or search for The Global Story wherever you got this podcast.