At the end of every year I attend the St. Hilda's prizegiving service and the leavers' service and see a string of young women cross the stage. All of them are big fishes in this particular small pond of the school where they have spent the last five or seven years of their lives. They are making the journey we must all repeat a hundred times, that of becoming a small fish in the next pond, whatever it may be. And at every service the school hymn is sung: Blest Are The Pure In Heart . Whoever, back in the day, chose that hymn to be the one that defines the school and its relationship to the almighty had a particular idea of the what a girls' school should aspire to be, and what a girl should aspire to be. I'm guessing, of course, but I think that vision would have to do with all the characteristics we attribute to the heart: feelings, loyalty, relationship, emotion. With that vision in mind, the aspiration is one of pure and chaste behaviour springing from undefil...