I agree with @ProfSD , we found the information sessions to be valuable, even (especially?) when they were boring. Although a lot of the information they convey can usually be found on the website, the info sessions can also provide useful insight into how the school presents itself, what they consider important, etc. - they can give you a better sense of the true personality of the school. I remember almost all of the info sessions we joined very clearly, more clearly in many cases than the tours.