Next week, the California Department of Education will vote on a new statewide ethnic studies curriculum that advocates for the “decolonization” of American society and elevates Aztec religious symbolism—all in the service of a left-wing political ideology. The new program, called the Ethnic Studies Model Curriculum, seeks to extend the Left’s cultural dominance of California’s public university system, 50 years in the making, to the state’s entire primary and secondary education system, which consists of 10,000 public schools serving a total of 6 million students. In theoretical terms, the new ethnic studies curriculum is based on the “pedagogy of the...