Kids in Cape Town socialize as they walk to school. Children in South Africa often don't get to play outside by themselves because of the high rate of violent crimes in some areas. Henk Badenhorst/Getty Images hide caption itoggle caption Henk Badenhorst/Getty Images Goats and Soda Cellphones Or School? What Makes Kids Around The World Happy May 18, 2015 Whether they're rich or poor, kids around the world are generally happy with their lives, an international study finds. But when it comes to liking school, poor children come out on top.