a quarter
before ten
The head-master bowed to the bishop , and walked away , leaving Ketch on the growl . Meanwhile , Bywater , flying through the cloisters , came upon Hurst , and two or three more of the conspirators . The time was between nine and ten o'clock . The boys had been home for breakfast after early school , and were now reassembling , but they did not go into school until a quarter before ten . `` He is such a glorious old trump , that bishop ! '' burst forth Bywater . `` He knows all about it , and is not going to put us up for punishment .