California’s Education Department has issued an “Ethnic Studies Model Curriculum” and is soliciting public comments on it until Aug. 15. The legislatively mandated guide is a resource for teachers who want to instruct their students in the field of “ethnic studies,” and was written by an advisory board of teachers, academics and bureaucrats. It’s as bad as you imagine.

Ethnic studies is described in the document as “the interdisciplinary study of race, ethnicity, and indigeneity with an emphasis on experiences of people of...