We're big fans of Old School, and thought you might want to check it out.
Old School is a clearinghouse of free and carefully vetted resources to educate people about ageism and to help dismantle it. We've found it a valuable resource as we've been preparing the EveryAGE Counts campaign, and are gratefully indebted to Ashton Applewhite for her efforts in pulling it together.
Go and check it out! https://www.oldschool.info/