It's taken as axiomatic that the relatively few blacks admitted to these high-powered schools is somehow tied to racial discrimination.
Let's look at a bit of history to raise some questions about the mayor's diversity hypothesis.
What explains the decline?
An Education Week article reported that in the 2015-16 school year, "5.8% of the nation's 3.8 million teachers were physically attacked by a student."
In the city of Baltimore, each school day in 2010, an average of four teachers and staff were assaulted.
Here are questions that might be asked of de Blasio and others who want to "fix the diversity problem" at New York's specialized schools:
Walter E. Williams is a professor of economics at George Mason University.