Why America government (public) school kids can't compete

In Oakland, CA parents are protesting that their kids should help out with janitorial services in order to save money that is simply not there for education and janitorial services. In Japan, the children do all the cleaning, and all the light maintenance on their school. It saves a lot of money, and it teaches the kids a valuable lesson on being good stewards of their school. But how are their academics compared to America’s? I think you know that answer. Almost every count...