eleven o'clock
`` Did n't I say we were to be mates , dear ? '' said Kathleen O'Hara ; and as they passed from the great hall , Kathleen 's hand was still fondly linked on Ruth 's arm . Lessons went on in their usual orderly fashion . At eleven o'clock there was a break for a quarter of an hour . The girls streamed into the playground . The playground was very large , and was asphalted , and in consequence quite dry and pleasant to walk on . There was a field just beyond , and into this field the girls now strolled by twos and twos .