Critical race theory is a lens. Here are 11 ways looking through it might refine your view of history - CNN

… Slavery brought with it anti-literacy laws, which states continued to pass and enforce until the mid-1800s. The aversion to educating African Americans wasn't limited to the South. See the stories of a rejected proposal for a college in New Haven, Connecticut, a mob's destruction of the Noyes Academy in Canaan, New Hampshire, or the attack on a school for "young ladies of color" in Canterbury, Connecticut...

https://www.cnn.com/2021/05/27/us/critical-race-theory-lens-history-crt/index.html