At their best, K-12 public school systems can be engines of social and economic mobility. Unfortunately, schools in lower-income districts -- whose students have the greatest academic needs -- often receive less funding than their counterparts in more affluent districts. Discussions about closing these funding gaps usually zoom all the way out to…

Most Americans today need some education beyond high school to secure a well-paying job, and higher education is a key factor in social and economic mobility. But higher education is not accessible to all students. To further equalize opportunity, states must understand options for improving the way they fund higher education. America's public…