Firstly, this is not a model, just an experience...
...Throughout my teaching career, I've been part of 5 Ofsted inspections, dating back to 1997 as a class , and most recently in 2011, my second as a senior teacher... When starting my current school, Oftsed had departed the day before!
n.b. this was written in 2012 and will not be in line with latest Ofsted guidance today.
My wife, after 11 years of teaching has only been 'subject to Ofsted' once, but I'm sure some