Assuming Joe Biden becomes the Democratic nominee, he’ll fit a well-established but little-noted pattern: 11 of the 12 candidates nominated for president this century graduated from exclusive prep schools, not public high schools—with Hillary Clinton, the lone exception. Biden, despite claiming blue-collar roots, graduated from one of Delaware’s most elite Catholic academies, Archmere, built on the grounds of a multi-millionaire’s estate.

Barack Obama, Biden’s one-time running mate, attended Punahou—Hawaii’s most elite institution which, like Archmere, today charges more than $25,000 tuition. Al Gore, George W. Bush, John McCain, Mitt Romney and Donald Trump also attended posh prep schools, but the Republicans in the group support school choice—offering less privileged families government help to choose private education if they prefer.

For Biden, his opposition to school choice is especially inconsistent—since he chose to send both his boys, Beau and Hunter, to Archmere.