Sadler was educated at the Royal Masonic School for Boys and Harris College, Preston, now the school of Journalism, Media and Communication, University of Central Lancashire, where he gained a Diploma in Journalism Studies.
Both schools were commonly used for films (such as Monty Python's The Meaning of Life, Lucky Jim (twice), Indiana Jones and the Last Crusade and numerous TV shows) from the 1950s until recently.
Royal Navy | Royal Air Force | high school | Royal Dutch Shell | Royal Society | Harvard Business School | London School of Economics | Harvard Medical School | Royal Albert Hall | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | secondary school | Harvard Law School | Royal Engineers | Royal Australian Navy | Eastman School of Music | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | The Beach Boys | Royal Court Theatre | Royal Marines | Juilliard School | Public school (government funded) | High School Musical | Royal Commission | Gymnasium (school) | Yale Law School | Beastie Boys |