Faith in schoolsMike Craven (“Keep the faith in schools”, 12 December) rejects the call by the Commission on Religion and Belief in British Public Life for a cap on places reserved for Catholic pupils where a school is oversubscribed. He praises the diversity of Catholic schools and admits that a cap on Catholic numbers in a Catholic school “seems reasonable in theory”. But he adds that it is “impossible in practice”.We really have to make up our minds whether the strength of our Catholic schools lies in their exclusivity or their diversity. Many Catholic schools are not exclusively Catholic – but only by default. Catholic schools are usually obliged to fill up with Catholics if at all possible. Yet Catholic schools that educate children in a soci