I truly hope that despite ever worsening education in the USA bias against learning styles and human interests have changed since. One school, my bro M had a speech impediment. It was deemed low intelligence and he was treated poorly. His intellect was not impaired in the least.

happened to me in the 70s and 80s. because I had visible albeit mild CP the assumption was I was slow, people, teachers, service staff used to shout, despite being told that I could hear them fine.