the stoon pronounciation is an alternative pronounciation used mainly by scottish people or ignorant english people who only know it as prince charles s school and assume that students are woken at 5 am with enforced cold showers and then made to run several miles before breakfast and two hours of chapel at the school itself everyone uses the stun pronounciation using the other identifies you either as a local scot who doesn t know care much about it or just another ignorant englishman