¿ªÔÆÌåÓý

The publicly funded, privately run schools are at a crossroads. The initial goal was to experiment with alternative ways of educating children, but as charter schools spread rapidly, not all are making the intended impact.

The University of the People says it's the "world's first, tuition-free, online university," designed for poor students who would otherwise lack access to higher education. The institution has 1,300 students in 129 countries, but it's also struggling to maintain its "free" mission.