Reigning-in the cost of higher education. We need a more sustainable model. This article outlines some of the problem. The other obvious approach is to leverage technology to scale-up access to education, like MOOCs.

Early childhood: the vitality of education at a young age (reference book: The Sandbox Investment)

Foreign language: high school is too late. Start in elementary school.

Let teachers focus on teaching. Provide additional grading support.

Charter schools. Need to learn more about details and variations.

Shorten and intensify the school day; provide additional programs to help students outside the formal classroom experience, but don't force teachers into the role of de-facto baby sitters by drawing out the school day.