Source: Education Week

America’s public school system today costs taxpayers over two-and-a-half times more that it did half a century ago—far outstripping changes in enrollment over that time. When federal, state, and local spending is taken together, it stands as one of government’s most-expensive endeavors… It’s clear, however, that K-12 advocates, politicians, the courts, and others over the years have raised expectations of what schools should provide and to whom, and that it takes money to meet those demands. Here are some significant milestones.