This back-to-school season, the cost and value of higher education are top of mind.

In a time when going to college can put you in hundreds of thousands of dollars in debt, and as more tech moguls share that they skipped university altogether, it could be worth considering a public school.

Every state has some sort of public school system, though they’re not all created equal. Just as private schools have the Ivy League, some state schools stand above the rest — Forbes now releases its own list of “Public Ivies” each year.

Public schools are also generally cheaper than private schools, especially if you stay in-state. But even paying…