If you want to see which Twitter lists you might be on then check in here with your username. You will then be given a tag cloud indicative of which lists you are on. Clicking on the tags highlights and links to the lists you are on.
"Listorious makes it easy to find who matters on any topic with the best Twitter people search on the web."
This is a site where you can find who or which list is hot in education in Twitter at the moment.
This page has all manner of links and embeds related to Twitter including slideshare, YouTube, Prezi and e-books. The author list includes Jane Hart, Tomaz Lasic and Dean Shareski. Though it is quite comprehensive, because it has so many embeds the page can take quite a little time to load up.