In their 1848 Communist Manifesto, Karl Marx and Friedrich Engels famously stated communists seek to “rescue education from the influence of the ruling class” by changing the type of social intervention that informs instruction — later to be known as “re-education.” Likewise, the revolutionary Black Lives Matter movement, co-founded by self-described radical organizers and trained Marxists, has given rise to a Black Lives Matter at School coalition whose activists seek to alter public-school curricula under the guise of promoting “racial justice in education.” This week’s national BLMAS “Week of Action” aims to recruit educators, students, families and community members to...