four o'clock
But the next instant she thought sadly that she probably would not be welcome at the picnic . She went to her seat and sat forlorn through the changing lessons of the afternoon . The teacher ground out the half-hour lessons wearily , her eyes on the clock , as unaware of the crisis in her class as though she were in another planet . At four o'clock Sylvia filed out with the other children to the cloakroom , but there was not the usual quick , practised grab , each for his own belongings . The girls remained behind , exclaiming and lamenting . Such a clamor arose that the teacher came hurrying in , anxious for the reputation for good behavior of her class . Good behavior in the Washington Street School , as in a penitentiary , was gauged by the degree of silence and immobility achieved by the inmates .