Firstly, don't shield learners from misinformation, give them the skills to examine and dispose of it. Secondly spotlight the misinformers and do it publicly. Thirdly shout loud and proud (at parents evenings if necessary), that your job is to help thinkers think more clearly because at the end of the day, that will serve them better than anything else you can do in the classroom.
Michael Gove has come under fire after basing claims that children had “disturbing historical ignorance” on a handful of
Newsnight presenter Jeremy Paxman has criticised the "dreary educational establishment" for failing to teach schoolchildren