I just learned that this year, New York City Public Schools introduced a full, pre-kindergarten-to-12th grade all-black curriculum.

When I looked though this book of detailed lesson plans, I figured it had to be only for black schools in Harlem or the South Bronx, but no. It’s mandatory for all students — all one million of them in the biggest school district in America.

But black students make up only that 24 percent slice on the right. Hispanics are the big 41-percent chunk. Asians are 17 percent, and whites are just 15 percent.

Whites will put up with anything, of course, but Hispanics and Asians must be irritated by all this blackety-black.

The very name of the curriculum is a joke. “Black studies as the study of the world.