rotten stem: how technology corrupts education

But the technology pushed into schools today is a threat to child development and an unredeemable waste. In the first place, technology exacerbates the greatest problem of all in schools: confusion about their purpose. Education is the cultivation of a person, not the manufacture of a worker. But in many public school districts we have already traded our collective birthright, the promise of human flourishing, for a mess of utilitarian pottage called “job skills.” The more recent, panicked, money-lobbing fetish for STEM is a late realization that even those dim promises will go unmet.

Second, it harms students even in the narrow sense of training workers: the use of technology in schools actually lowers test scores in reading, math, and science, damages long-term memory, and induces addiction. Both advanced hardware and the latest software have proven counterproductive. The only app or device found to meaningfully improve results with any consistency is an overhead projector in the hands of a competent human teacher.
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Finally, educational technology is a regressive political weapon, never just a neutral tool: it increases economic inequality, decreases school accountability, takes control away from teachers, and makes poorer students more vulnerable to threats from automation and globalization.

Here.