[Resettozero]

The quality of public education started its descent into the abyss with the formation of teachers unions.

I'd say the slide began in earnest when the Marxists infiltrated (took over) the textbook publishers. In no time at all, Marxists were American college presidents.

[Covenantor]

I'd say the slide began in earnest when the Marxists infiltrated (took over) the textbook publishers.

Just so. I can recall one of reading textbooks, circa 1954, that had stories with a whiff of Comintern influence. Chapters on children of the world and Mexican migrant children.

By the time Viet Nam war draft dodgers were opting for Education majors, the leftist college faculties were already in place.