Here in Rhode Island, the public schools are making an effort to educate children about the slave trade and the very large role that RI played in the horrors. This is on the Secretary of State page for RI: https://www.sos.ri.gov/divisions/civics-and-education/for-educators/themed-collections/black-rhode-islanders#:~:text=Between%201700%2D1800%2C%20Rhode%20Island,indentured%20servants%20in%20Rhode%20Island.
This is happening in Newport, where slave markets once existed: https://newportmiddlepassage.org/monument/
At least it's a start.