From Coronation Street stars, to famous footballers, to TV presenters Southlands High School in Chorley welcomed visitors with open arms. See how many you can recognise amongst our gallery:
17.
Coronation Street actress, Shobna Gulati, meets year 11 pupil, Kay Williams, 15, winner of the Southland's High Pop Idol contest
18.
Southlands High School pupils Laura Bortfield, 14, (left and Deborah Collins, 14, can barley listen as visiting horror author Stephen Gallagher reads from his latest novel.
19.
Manchester Storm Ice Hockey player Nick Crawley, is on hand to keep things under control during an In-Line Hockey coaching session The two pupils coming head to head are, 14 year olds Leigh Byrom, left and Chris Clark