Many seem to think that, so long as a faith school is providing children with knowledge of other faiths, that's good enough. It isn't. Here are 3 reasons why: 1. For a start, knowledge of other faiths does not necessarily lead to a reduction in friction between faiths. In fact, often the most vicious and violent religious conflicts are between groups with detailed knowledge with what the other believes, e.g. Catholic vs. Protestant; Shia vs. Sunni. Mere knowledge of other faiths does not produce tolerance and respect. Actual interaction with members of other faiths (and none), on the other hand, probably does have a beneficial effect. 2. Mere knowledge of other faiths, in the absence of any robust critical thinking about faith, often also promotes a very intellectually flabby sort of relativism . Pupils presented with a range of faiths are likely to realize that, as these faiths all contradict each other, most of them (perhaps all of them) must be largely false. Teacher...