Bashful Fifteen by L.T. Meade — Read

But in the midst of all the fun Janet's heart was not easy.

Last night she had managed very cleverly to induce Miss Delicia to keep silence. She felt as she worked hard at the Fancy Fair, as she made bargains with customers, and laughed and joked and looked the very personification of light-heartedness and gayety, that she must set her wits to work again to-night. Miss Delicia had only promised to keep silence until the fair was over; but Janet was determined that, come what would, Bridget should leave school before Mrs. Freeman knew of her delinquencies.