Comic Sans has an excellent, unironic, track record as an assistive tool for young kids struggling with dyslexia.
You can do better. This was the first Google result: https://dyslexiefont.com/en/
But there are plenty more. Why settle on the worst one?
Maybe because it’s that Comic sans is widely available and preinstalled on many systems as a „good enough“ option while others are very costly very quickly