Lies, Damned Lies, and Ofsted's Pseudostatistics. Slides from a presentation given at a joint National Union of Teachers (NUT) - University and College Union (UCU) forum on October 15 2014. Speaking alongside Kevin Courtney (NUT, @cyclingkev) and Nadia Whittome. See also http://physicsfocus.org/lies-damned-lies-ofsteds-pseudostatistics/