This Morning regular has left the comfort of the studio for a one-off documentary called Back to School.Airing on ITV as part of Black History Month, the doc follows Alison as she goes on the ultimate school trip.The presenter travels the length of Britain to visit key historical sites - from Hadrian's Wall to Hampton Court - re-examining the history taught in schools but from a different angle.Alison will be given an insight into the significance of black people in Britain's history by experts