King William's College is a School located in Castletown, Isle of Man IM9 1TP. It is one of the 17 schools in Isle Of Man. Address of King William's College is King William's College, Castletown, Isle of Man IM9 1TP, Isle of Man. King William's College can be contacted at 441624820400. King William's College is located in a remote area, with less than 1 listed places around it. King William's College is rated 4.5 (out of 5 stars) by 15 reviewers on the web.