OKLAHOMA CITY (AP) — Pierre Liebenberg of Norman knew his son was having trouble reading. He started switching letters and words around, dreaded having to get up in front of the class to read aloud and lost his confidence.

"We started seeing the signs, and we had him diagnosed. He has dyslexia, pretty severe dyslexia," Liebenberg said to The Journal Record . "We looked for help, but local schools don't recognize dyslexia as a learning disability. I started doing my own research and found if I showed him one word at a time on a yellow background with a specific black font, he would recognize th...