The first is an edited version with voice over and the 2nd one is is silent with a lot of unedited footage. Read more about Wrens Warren Camp School here on this very site http://wyrefarmed.blogspot.co.uk/2013/08/wrens-warren-camp-school-national-camps.html
Read more about the National Camps corporation schools (of which our school was a part) here also on this very site!