The programs and processes started at the end of the 1890’s when various educators, including John Dewey, and scientific motion consultants for industry battled over school curriculum. The traditional courses in the humanities used for centuries were deemed impractical for the workers needed for industry. With the influx of so many immigrants to staff and work in the industrial areas, it was determined a sorting of students based on tests especially the IQ test used during WWI to gauge which students were college material and would study material the universities required leaving the rest, about 90%, to learn vocational and general subjects that would help them later in life when taking their roles in society and industry.
There was a drive to keep the children interested in schooling, as many quit to work or out of boredom. They then had their own children with the same issues. Finally here we are with education as a sociological engineering tool instead of intellectual development as originally planned. Mastery of a subject such as history was down graded to the required mastery of the technique of teaching. It’s now all so scientific and efficient…
Those contributing the financial means and influence of course came from the major philanthropic foundations like the Rockefeller’s and their University of Chicago, Yale’s Teachers College and others. Their mission was to produce workers for the industrial age, not more intellectuals. They have a history of causing trouble and discontent in the workplace🤭